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Merge tag 'v3.9-rc5' into wq/for-3.10
Writeback conversion to workqueue will be based on top of wq/for-3.10
branch to take advantage of custom attrs and NUMA support for unbound
workqueues. Mainline currently contains two commits which result in
non-trivial merge conflicts with wq/for-3.10 and because
block/for-3.10/core is based on v3.9-rc3 which contains one of the
conflicting commits, we need a pre-merge-window merge anyway. Let's
pull v3.9-rc5 into wq/for-3.10 so that the block tree doesn't suffer
from workqueue merge conflicts.
The two conflicts and their resolutions:
* e68035fb65 ("workqueue: convert to idr_alloc()") in mainline changes
worker_pool_assign_id() to use idr_alloc() instead of the old idr
interface. worker_pool_assign_id() goes through multiple locking
changes in wq/for-3.10 causing the following conflict.
static int worker_pool_assign_id(struct worker_pool *pool)
{
int ret;
<<<<<<< HEAD
lockdep_assert_held(&wq_pool_mutex);
do {
if (!idr_pre_get(&worker_pool_idr, GFP_KERNEL))
return -ENOMEM;
ret = idr_get_new(&worker_pool_idr, pool, &pool->id);
} while (ret == -EAGAIN);
=======
mutex_lock(&worker_pool_idr_mutex);
ret = idr_alloc(&worker_pool_idr, pool, 0, 0, GFP_KERNEL);
if (ret >= 0)
pool->id = ret;
mutex_unlock(&worker_pool_idr_mutex);
>>>>>>> c67bf5361e7e66a0ff1f4caf95f89347d55dfb89
return ret < 0 ? ret : 0;
}
We want locking from the former and idr_alloc() usage from the
latter, which can be combined to the following.
static int worker_pool_assign_id(struct worker_pool *pool)
{
int ret;
lockdep_assert_held(&wq_pool_mutex);
ret = idr_alloc(&worker_pool_idr, pool, 0, 0, GFP_KERNEL);
if (ret >= 0) {
pool->id = ret;
return 0;
}
return ret;
}
* eb2834285c ("workqueue: fix possible pool stall bug in
wq_unbind_fn()") updated wq_unbind_fn() such that it has single
larger for_each_std_worker_pool() loop instead of two separate loops
with a schedule() call inbetween. wq/for-3.10 renamed
pool->assoc_mutex to pool->manager_mutex causing the following
conflict (earlier function body and comments omitted for brevity).
static void wq_unbind_fn(struct work_struct *work)
{
...
spin_unlock_irq(&pool->lock);
<<<<<<< HEAD
mutex_unlock(&pool->manager_mutex);
}
=======
mutex_unlock(&pool->assoc_mutex);
>>>>>>> c67bf5361e7e66a0ff1f4caf95f89347d55dfb89
schedule();
<<<<<<< HEAD
for_each_cpu_worker_pool(pool, cpu)
=======
>>>>>>> c67bf5361e7e66a0ff1f4caf95f89347d55dfb89
atomic_set(&pool->nr_running, 0);
spin_lock_irq(&pool->lock);
wake_up_worker(pool);
spin_unlock_irq(&pool->lock);
}
}
The resolution is mostly trivial. We want the control flow of the
latter with the rename of the former.
static void wq_unbind_fn(struct work_struct *work)
{
...
spin_unlock_irq(&pool->lock);
mutex_unlock(&pool->manager_mutex);
schedule();
atomic_set(&pool->nr_running, 0);
spin_lock_irq(&pool->lock);
wake_up_worker(pool);
spin_unlock_irq(&pool->lock);
}
}
Signed-off-by: Tejun Heo <tj@kernel.org>
Adds a function to read the various GPMC chip-select settings from
device-tree and store them in the gpmc_settings structure.
Update the GPMC device-tree binding documentation to describe these
options.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Unbound workqueues are now NUMA aware. Let's add some control knobs
and update sysfs interface accordingly.
* Add kernel param workqueue.numa_disable which disables NUMA affinity
globally.
* Replace sysfs file "pool_id" with "pool_ids" which contain
node:pool_id pairs. This change is userland-visible but "pool_id"
hasn't seen a release yet, so this is okay.
* Add a new sysf files "numa" which can toggle NUMA affinity on
individual workqueues. This is implemented as attrs->no_numa whichn
is special in that it isn't part of a pool's attributes. It only
affects how apply_workqueue_attrs() picks which pools to use.
After "pool_ids" change, first_pwq() doesn't have any user left.
Removed.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Now LP55xx provides automatic clock detection API, lp55xx_is_extclk_used().
The clock configuration can be done by the driver itself.
(a) Concept
The default value is set by each driver with clock selection.
The internal clock selection bit is updated in case that the external clock
is not detected or clock rate is not 32KHz.
(b) Change on LP55xx platform data
The clock configuration is done automatically, so no need to define
'update_config' in the platform side.
Correlated information are removed in the documentations and header.
(c) Definitions moved from header to driver files
CONFIG register values are moved each driver, LP5521 and LP5562.
Not necessary definitions are removed also.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
LP5562 can drive up to 4 channels, RGB and White.
LEDs can be controlled directly via the led class control interface.
LP55xx common driver
LP5562 is one of LP55xx family device, so LP55xx common code are used.
On the other hand, chip specific configuration is defined in the structure
'lp55xx_device_config'
LED pattern data
LP5562 has also internal program memory which is used for running various LED
patterns. LP5562 driver supports the firmware interface and the predefined
pattern data as well.
LP5562 device attributes: 'led_pattern' and 'engine_mux'
A 'led_pattern' is an index code which runs the predefined pattern data.
And 'engine_mux' is updated with the firmware interface is activated.
Detailed description has been updated in the documentation files,
'leds-lp55xx.txt' and 'leds-lp5562.txt'.
Changes on the header file
LP5562 configurable definitions are added.
Pattern RGB data is fixed as constant value.
(No side effect on other devices, LP5521 or LP5523.)
(cooloney@gmail.com: remove redundant mutex_unlock(). Reported by Dan
Carpenter <dan.carpenter@oracle.com>)
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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Merge tag 'v3.9-rc5' into patchwork
Linux 3.9-rc5
* tag 'v3.9-rc5': (1080 commits)
Linux 3.9-rc5
Revert "lockdep: check that no locks held at freeze time"
dw_dmac: adjust slave_id accordingly to request line base
dmaengine: dw_dma: fix endianess for DT xlate function
PNP: List Rafael Wysocki as a maintainer
rbd: don't zero-fill non-image object requests
ia64 idle: delete stale (*idle)() function pointer
Btrfs: don't drop path when printing out tree errors in scrub
target: Fix RESERVATION_CONFLICT status regression for iscsi-target special case
tcm_vhost: Avoid VIRTIO_RING_F_EVENT_IDX feature bit
Revert "mm: introduce VM_POPULATE flag to better deal with racy userspace programs"
usb: ftdi_sio: Add support for Mitsubishi FX-USB-AW/-BD
mg_disk: fix error return code in mg_probe()
Btrfs: fix wrong return value of btrfs_lookup_csum()
Btrfs: fix wrong reservation of csums
Btrfs: fix double free in the btrfs_qgroup_account_ref()
Btrfs: limit the global reserve to 512mb
Btrfs: hold the ordered operations mutex when waiting on ordered extents
Btrfs: fix space accounting for unlink and rename
Btrfs: fix space leak when we fail to reserve metadata space
...
This updates the DT documentation to reflect that the tps65090-charger
should be represented as a child node of the tps65090 device itself.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
sampling_down_factor tunable is unused since commit
8e677ce83b (4 years ago).
This patch restores the original functionality and documents the
tunable.
Signed-off-by: Stratos Karafotis <stratosk@semaphore.gr>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This patch adds a menu option to the V4L2_CID_EXPOSURE_METERING
control for multi-zone metering.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Before the camera ports can be used the pinmux needs to be configured
properly. This patch adds a function to set the camera ports pinctrl
to a default state within the media driver's probe().
The camera port(s) are then configured for the video bus operation.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The sensor (I2C and/or SPI client) devices are instantiated by their
corresponding control bus drivers. Since the I2C client's master clock
is often provided by a video bus receiver (host interface) or other
than I2C/SPI controller device, the drivers of those client devices
are not accessing hardware in their driver's probe() callback. Instead,
after enabling clock, the host driver calls back into a sub-device
when it wants to activate them. This pattern is used by some in-tree
drivers and this patch also uses it for DT case. This patch is intended
as a first step for adding device tree support to the S5P/Exynos SoC
camera drivers. The second one is adding support for asynchronous
sub-devices registration and clock control from sub-device driver
level. The bindings shall not change when asynchronous probing support
is added.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch adds the device tree support for FIMC-LITE device
driver. The bindings include compatible property for the Exynos5
SoC series, however the actual implementation for these SoCs will
be added in a separate patch.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch adds device tree support for FIMC driver on S5PV210
and Exynos4 SoCs.
The FIMC IP block's features and quirks encoded statically in
the driver are now parsed from the device tree. Once all relevant
platforms are converted to device tree based booting the FIMC
variant data structures will all be removed from the driver.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch support for binding the driver to the MIPI-CSIS
devices instantiated from device tree and parsing the SoC
and board specific properties. The MIPI CSI-2 channel is
determined by the value of reg property placed in csis'
port subnode.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch adds a document describing common OF bindings for video
capture, output and video processing devices. It is curently mainly
focused on video capture devices, with data busses defined by
standards such as ITU-R BT.656 or MIPI-CSI2.
It also documents a method of describing data links between devices.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Add match table for device tree binding and dts binding doc.
Signed-off-by: Mischa Jonker <mjonker@synopsys.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Lost in space for a long time, but it finally came back to us from
some ancient code tombs. This patch adds a minimal runnable example
of Linux' packet mmap(2) from Chetan Loke's TPACKET_V3. Special
thanks to David S. Miller, and also Eric Leblond and Victor Julien!
Cc: Eric Leblond <eric@regit.org>
Cc: Victor Julien <victor@inliniac.net>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds a post handling routine which is called after
ci13xxx_add_device was called. The first user is the mx25, which has to
disable the external-vbus-divider after the udc has started.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
[Alex: also fixed a signed one-bit bitfield a whitespace error and yet
another set of line-too-long and void pointer casting errors]
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mei client bus will present some of the mei clients
as devices for other standard subsystems
Implement the probe, remove, match, device addtion routines, along with
the sysfs and uevent ones. mei_cl_device_id is also added to
mod_devicetable.h
A mei-cleint-bus.txt document describing the rationale and the API usage
is also added while ABI/testing/sysfs-bus-mei describeis the modalias ABI.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit adds a driver that exposes all the radio related
functionality of the Si476x series of chips via the V4L2 subsystem.
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Change the type of V4L2_CID_TUNE_PREEMPHASIS from 'integer' to 'enum
v4l2_preemphasis'
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The exynos ADC won't work without a regulator called "vdd" and a clock
called "adc". Document this fact in the device tree bindings.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Fixes some typos in the documentation of exynos-adc.txt.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
An earlier patch removed the CONFIG_USB_SUSPEND symbol but forgot to
update the Documentation files. This patch (as1676) rectifies that
omission.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Conflicts:
include/net/ipip.h
The changes made to ipip.h in 'net' were already included
in 'net-next' before that header was moved to another location.
Signed-off-by: David S. Miller <davem@davemloft.net>
During the introduction of the Allwinner SoC platforms, sunxi was
initially meant as a generic name for all the variants of the Allwinner
SoC.
It was ok at the time of the support of only the A10 and A13 that
look pretty much the same; but it's beginning to be troublesome with
the future addition of the Allwinner A31 (sun6i) that is quite
different, and would introduce some weird logic, where sunxi would
actually mean in some case sun4i and sun5i but without sun6i...
Moreover, it makes the compatible strings naming scheme not consistent
with other architectures, where usually for this kind of compability, we
just use the oldest SoC name that has this IP, so let's do just this.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
This patch contains useful bits of information about the sunxi clocks
that may help and/or be interesting for current and future developers.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
The PPC specific kernel parameter 'noresidual' was removed in v2.6.27,
though commit 917f0af9e5 ("powerpc: Remove
arch/ppc and include/asm-ppc").
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull networking fixes from David Miller:
1) Always increment IPV4 ID field in encapsulated GSO packets, even
when DF is set. Regression fix from Pravin B Shelar.
2) Fix per-net subsystem initialization in netfilter conntrack,
otherwise we may access dynamically allocated memory before it is
actually allocated. From Gao Feng.
3) Fix DMA buffer lengths in iwl3945 driver, from Stanislaw Gruszka.
4) Fix race between submission of sync vs async commands in mwifiex
driver, from Amitkumar Karwar.
5) Add missing cancel of command timer in mwifiex driver, from Bing
Zhao.
6) Missing SKB free in rtlwifi USB driver, from Jussi Kivilinna.
7) Thermal layer tries to use a genetlink multicast string that is
longer than the 16 character limit. Fix it and add a BUG check to
prevent this kind of thing from happening in the future.
From Masatake YAMATO.
8) Fix many bugs in the handling of the teardown of L2TP connections,
UDP encapsulation instances, and sockets. From Tom Parkin.
9) Missing socket release in IRDA, from Kees Cook.
10) Fix fec driver modular build, from Fabio Estevam.
11) Erroneous use of kfree() instead of free_netdev() in lantiq_etop,
from Wei Yongjun.
12) Fix bugs in handling of queue numbers and steering rules in mlx4
driver, from Moshe Lazer, Hadar Hen Zion, and Or Gerlitz.
13) Some FOO_DIAG_MAX constants were defined off by one, fix from Andrey
Vagin.
14) TCP segmentation deferral is unintentionally done too strongly,
breaking ACK clocking. Fix from Eric Dumazet.
15) net_enable_timestamp() can legitimately be invoked from software
interrupts, and in a way that is safe, so remove the WARN_ON().
Also from Eric Dumazet.
16) Fix use after free in VLANs, from Cong Wang.
17) Fix TCP slow start retransmit storms after SACK reneging, from
Yuchung Cheng.
18) Unix socket release should mark a socket dead before NULL'ing out
sock->sk, otherwise we can race. Fix from Paul Moore.
19) IPV6 addrconf code can try to free static memory, from Hong Zhiguo.
20) Fix register mis-programming, NULL pointer derefs, and wrong PHC
clock frequency in IGB driver. From Lior LevyAlex Williamson, Jiri
Benc, and Jeff Kirsher.
21) skb->ip_summed logic in pch_gbe driver is reversed, breaking packet
forwarding. Fix from Veaceslav Falico.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (65 commits)
ipv4: Fix ip-header identification for gso packets.
bonding: remove already created master sysfs link on failure
af_unix: dont send SCM_CREDENTIAL when dest socket is NULL
pch_gbe: fix ip_summed checksum reporting on rx
igb: fix PHC stopping on max freq
igb: make sensor info static
igb: SR-IOV init reordering
igb: Fix null pointer dereference
igb: fix i350 anti spoofing config
ixgbevf: don't release the soft entries
ipv6: fix bad free of addrconf_init_net
unix: fix a race condition in unix_release()
tcp: undo spurious timeout after SACK reneging
bnx2x: fix assignment of signed expression to unsigned variable
bridge: fix crash when set mac address of br interface
8021q: fix a potential use-after-free
net: remove a WARN_ON() in net_enable_timestamp()
tcp: preserve ACK clocking in TSO
net: fix *_DIAG_MAX constants
net/mlx4_core: Disallow releasing VF QPs which have steering rules
...
This patch updates the stmmac.txt file adding information related to the PTP
and SGMII/RGMII supports.
Also the patch updates the driver version to: March_2013.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch series covers both ASoC and extcon subsystems and fixes an
interaction between the HPDET function and the headphone outputs - we
really shouldn't run HPDET while the headphone is active. The first
patch is a refactoring to make the extcon side easier.
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Merge tag 'arizona-extcon-asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into char-misc-next
Mark writes:
ASoC/extcon: arizona: Fix interaction between HPDET and headphone outputs
This patch series covers both ASoC and extcon subsystems and fixes an
interaction between the HPDET function and the headphone outputs - we
really shouldn't run HPDET while the headphone is active. The first
patch is a refactoring to make the extcon side easier.
doc.2013.03.12a: Documentation changes.
fixes.2013.03.13a: Miscellaneous fixes.
idlenocb.2013.03.26b: Remove restrictions on no-CBs CPUs, make
RCU_FAST_NO_HZ take advantage of numbered callbacks, add
callback acceleration based on numbered callbacks.
Because RCU callbacks are now associated with the number of the grace
period that they must wait for, CPUs can now take advance callbacks
corresponding to grace periods that ended while a given CPU was in
dyntick-idle mode. This eliminates the need to try forcing the RCU
state machine while entering idle, thus reducing the CPU intensiveness
of RCU_FAST_NO_HZ, which should increase its energy efficiency.
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Currently, the per-no-CBs-CPU kthreads are named "rcuo" followed by
the CPU number, for example, "rcuo". This is problematic given that
there are either two or three RCU flavors, each of which gets a per-CPU
kthread with exactly the same name. This commit therefore introduces
a one-letter abbreviation for each RCU flavor, namely 'b' for RCU-bh,
'p' for RCU-preempt, and 's' for RCU-sched. This abbreviation is used
to distinguish the "rcuo" kthreads, for example, for CPU 0 we would have
"rcuob/0", "rcuop/0", and "rcuos/0".
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Automatic Flow Control capability is not tied to this
property. This is only one way of detecting it. The property
is limited to be used only with 8250 driver.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This will reduce the need for extra types in 8250.c just
in case the fifo size differs from the standard.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Userspace applications need to know the maximum supported message
size.
The cdc-wdm driver translates between a character device stream
and a message based protocol. Each message is transported as a
usb control message with no further encapsulation or syncronization.
Each read or write on the character device should translate to
exactly one usb control message to ensure that message boundaries
are kept intact. That means that the userspace application must
know the maximum message size supported by the device and driver,
making this size a vital part of the cdc-wdm character device API.
CDC WDM and CDC MBIM functions export the maximum supported
message size through CDC functional descriptors. The cdc-wdm and
cdc_mbim drivers will parse these descriptors and use the value
chosen by the device. The only current way for a userspace
application to retrive the value is by duplicating the descriptor
parsing. This is an unnecessary complex task, and application
writers are likely to postpone it, using a fixed value and adding
a "todo" item.
QMI functions have no way to tell the host what message size they
support. The qmi_wwan driver use a fixed value based on protocol
recommendations and observed device behaviour. Userspace
applications must know and hard code the same value. This scheme
will break if we ever encounter a QMI device needing a device
specific message size quirk. We are currently unable to support
such a device because using a non default size would break the
implicit userspace API.
The message size is currently a hidden attribute of the cdc-wdm
userspace API. Retrieving it is unnecessarily complex, increasing
the possibility of drivers and applications using different limits.
The resulting errors are hard to debug, and can only be replicated
on identical hardware.
Exporting the maximum message size from the driver simplifies the
task for the userspace application, and creates a unified
information source independent of device and function class. It also
serves to document that the message size is part of the cdc-wdm
userspace API.
This proposed API extension has been presented for the authors of
userspace applications and libraries using the current API: libmbim,
libqmi, uqmi, oFono and ModemManager. The replies were:
Aleksander Morgado:
"We do really need max message size for MBIM; and as you say, it may be
good to have the max message size info also for QMI, so the new ioctl
seems a good addition. So +1 from my side, for what it's worth."
Dan Williams:
"Yeah, +1 here. I'd prefer the sysfs file, but the fact that that
doesn't work for fd passing pretty much kills it."
No negative replies are so far received.
Cc: Aleksander Morgado <aleksander@lanedo.com>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
New stuff
1) Add OF support for specifying mappings between iio devices and their
in kernel consumers.
2) Driver for AD7923 (extra functionality and support for ad7904, ad7914 and
ad7924 added later in series)
3) Driver for Exynos adc (dt suppor for phy added later in series).
4) Make iio_push_event save IRQ context - necessary if it is to be used
within an interrupt handler. Users of this functionality to follow.
5) For iio use the device tree node name to provide the hwmon name attribute
if available.
Removal and moves out of staging
1) Drop the adt7410 driver from IIO now that there is a hmwon driver with
equivalent support. This device is very much targeted at hardware
monitoring so hwmon is a more appropriate host for the driver.
2) Move iio_hwmon driver to drivers/hwmon.
Cleanups
1) Minor cleanup in ST common library.
2) Large set of patches to break the info_mask element which previously used
odd and even bits to specify if a channel attribute was either shared across
similar channels or specific to only one. Now we have two bitmaps, one for
those parameters that are specific to this channel and one for those shared
by all channels with the same type as this one. This has no effect on the
userspace abi. It simplifies the core code and provides more space for new
channel parameters. It has been on the todo list for a long time!
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Merge tag 'iio-for-3.10a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of IIO new drivers and cleanup for the 3.10 cycle.
New stuff
1) Add OF support for specifying mappings between iio devices and their
in kernel consumers.
2) Driver for AD7923 (extra functionality and support for ad7904, ad7914 and
ad7924 added later in series)
3) Driver for Exynos adc (dt suppor for phy added later in series).
4) Make iio_push_event save IRQ context - necessary if it is to be used
within an interrupt handler. Users of this functionality to follow.
5) For iio use the device tree node name to provide the hwmon name attribute
if available.
Removal and moves out of staging
1) Drop the adt7410 driver from IIO now that there is a hmwon driver with
equivalent support. This device is very much targeted at hardware
monitoring so hwmon is a more appropriate host for the driver.
2) Move iio_hwmon driver to drivers/hwmon.
Cleanups
1) Minor cleanup in ST common library.
2) Large set of patches to break the info_mask element which previously used
odd and even bits to specify if a channel attribute was either shared across
similar channels or specific to only one. Now we have two bitmaps, one for
those parameters that are specific to this channel and one for those shared
by all channels with the same type as this one. This has no effect on the
userspace abi. It simplifies the core code and provides more space for new
channel parameters. It has been on the todo list for a long time!
Conflicts:
drivers/iio/dac/ad5064.c
The SSBI bus is exclusive to the Qualcomm MSM targets, and all SoCs
using it will be using device tree. Convert this driver to indentify
with device tree.
This makes the bus probing a good bit simpler, since the attaching of
child nodes can be represented directly in the devicetree, rather than
having to be inferred by name.
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The device tree binding documentation for dsa explicitely states that a
DSA node should have its #address-cells property set to 2, yet the
example still used 1, fix that typo.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tegra114's AHUB shares a design with Tegra30, with the followin changes:
* Supports more (10 vs. 4) bi-directional FIFO channels into RAM.
* Requires a separate block of registers to support the above.
* Supports more attached clients, i.e. new audio multiplexing and
de-multiplexing modules.
* Is affected by more clocks due to the above.
This change fully defines the device tree binding changes required to
represent these changes, and minimally extends the driver to support
the new hardware, without exposing any of the new FIFO channels.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
And update the other debug ioctls accordingly.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The Exynos5440 clocks are statically listed and registered using the
Samsung specific common clock helper functions.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The Exynos5250 clocks are statically listed and registered using the
Samsung specific common clock helper functions. Both device tree based
clock lookup and clkdev based clock lookups are supported.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
The Exynos4 clocks are statically listed and registered using the
Samsung specific common clock helper functions. Both device tree
based clock lookup and clkdev based clock lookups are supported.
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Tested-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Tested-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch adds support for registering DSA switches using Device Tree
bindings. Note that we support programming the switch routing table even
though no in-tree user seems to require it. I tested this on Armada 370
with a Marvell 88E6172 (not supported by mainline yet).
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This API is no longer used by any driver and so can be removed from the
documentation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This adds support for three Sony BTF tuners:
TUNER_SONY_BTF_PG472Z: PAL+SECAM
TUNER_SONY_BTF_PK467Z: NTSC-M-JP
TUNER_SONY_BTF_PB463Z: NTSC-M
These come from the go7007 staging driver where they were implemented in
the wis-sony-tuner i2c driver.
Adding support for these tuners to tuner-types.c is the first step towards
removing the wis-sony-tuner driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Control whether video sequence headers should be repeated.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Does writethrough and writeback caching, handles unclean shutdown, and
has a bunch of other nifty features motivated by real world usage.
See the wiki at http://bcache.evilpiepirate.org for more.
Signed-off-by: Kent Overstreet <koverstreet@google.com>
Pull i2c fixes from Wolfram Sang:
"One bugfix for the tegra driver. Two updates regarding email
addresses and MAINTAINERS which I like to have up-to-date so people
can be reached immediately. While we are here, there is on PCI_ID
addition."
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: add maintainer entry for atmel i2c driver
i2c: Fix my e-mail address in drivers and documentation
i2c: iSMT: add Intel Avoton DeviceIDs
i2c: tegra: check the clk_prepare_enable() return value
Mostly HD-audio and USB-audio regression fixes:
- Oops fix at unloading of snd-hda-codec-conexant module
- A few trivial regression fixes for Cirrus and Conexant HD-audio codecs
- Relax the USB-audio descriptor parse errors as non-fatal
- Fix locking of HD-audio CA0132 DSP loader
- Fix the generic HD-audio parser for VIA codecs
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Merge tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Mostly HD-audio and USB-audio regression fixes:
- Oops fix at unloading of snd-hda-codec-conexant module
- A few trivial regression fixes for Cirrus and Conexant HD-audio
codecs
- Relax the USB-audio descriptor parse errors as non-fatal
- Fix locking of HD-audio CA0132 DSP loader
- Fix the generic HD-audio parser for VIA codecs"
* tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - Fix DAC assignment for independent HP
ALSA: hda - Fix abuse of snd_hda_lock_devices() for DSP loader
ALSA: hda - Fix typo in checking IEC958 emphasis bit
ALSA: snd-usb: mixer: ignore -EINVAL in snd_usb_mixer_controls()
ALSA: snd-usb: mixer: propagate errors up the call chain
ALSA: usb: Parse UAC2 extension unit like for UAC1
ALSA: hda - Fix yet missing GPIO/EAPD setup in cirrus driver
ALSA: hda/cirrus - Fix the digital beep registration
ALSA: hda - Fix missing beep detach in patch_conexant.c
ALSA: documentation: Fix typo in Documentation/sound
The msm timer binding I wrote is bad. First off, the clock
frequency in the binding for the dgt is wrong. Software divides
down the input rate by 4 to achieve the rate listed in the
binding. We also treat each individual timer as a separate
hardware component, when in reality there is one timer block
(that may be duplicated per cpu) with multiple timers within it.
Depending on the version of the hardware there can be one or two
general purpose timers, status and divider control registers, and
an entirely different register layout.
In the next patch we'll need to know about the different register
layouts so that we can properly check the status register after
clearing the count. The current binding makes this complicated
because the general purpose timer's reg property doesn't indicate
where that status register is, and in fact it is beyond the size
of the reg property.
Clean all this up by just having one node for the timer hardware,
and describe all the interrupts and clock frequencies supported
while having one reg property that covers the entire timer
register region. We'll use the compatible field in the future to
determine different register layouts and if we should read the
status registers, etc.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
This patch adds the new driver for CSR SiRF SoCs:
SiRFprimaII: unicore ARM Cortex-A9
SiRFatlas6: unicore ARM Cortex-A9
SiRFmarco: dual core ARM Cortex-A9 SMP
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Bin Shi <Bin.Shi@csr.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
With device core now able to setup the default pin configuration,
the call to devm_pinctrl_get_select_default can be removed. And
the pin configuration code based on the deprecated Samsung specific
gpio bindings is also removed.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
The JEDEC MMC v4 spec defines a new PRV value in place of the original
fwrev and hwrev specified in v1. We can expose this in the kernel to enable
user space to more easily determine the product revision of a given MMC.
Signed-off-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
This patch enhances the "mvmdio" to support a SMI error/done interrupt
line which can be used along with a wait queue instead of doing
busy-waiting on the registers. This is a feature which is available in
the mv643xx_eth SMI code and thus reduces again the gap between the two.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
If userspace wants to change some specific bits of TSR
(timer status register) then it uses GET/SET_SREGS ioctl interface.
So the steps will be:
i) user-space will make get ioctl,
ii) change TSR in userspace
iii) then make set ioctl.
It can happen that TSR gets changed by kernel after step i) and
before step iii).
To avoid this we have added below one_reg ioctls for oring and clearing
specific bits in TSR. This patch adds one registerface for:
1) setting specific bit in TSR (timer status register)
2) clearing specific bit in TSR (timer status register)
3) setting/getting the TCR register. There are cases where we want to only
change TCR and not TSR. Although we can uses SREGS without
KVM_SREGS_E_UPDATE_TSR flag but I think one reg is better. I am open
if someone feels we should use SREGS only here.
4) getting/setting TSR register
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Devices on the Intel Lynxpoint Low Power Subsystem (LPSS) have
registers providing access to LTR (Latency Tolerance Reporting)
functionality that allows software to monitor and possibly influence
the aggressiveness of the platform's active-state power management.
For each LPSS device, there are two modes of operation related to LTR,
the auto mode and the software mode. In the auto mode the LTR is
set up by the platform firmware and managed by hardware. Software
can only read the LTR register values to monitor the platform's
behavior. In the software mode it is possible to use LTR to control
the extent to which the platform will use its built-in power
management features.
This changeset adds support for reading the LPSS devices' LTR
registers and exposing their values to user space for monitoring and
diagnostics purposes. It re-uses the MMIO mappings created to access
the LPSS devices' clock registers for reading the values of the LTR
registers and exposes them to user space through sysfs device
attributes. Namely, a new atrribute group, lpss_ltr, is created for
each LPSS device. It contains three new attributes: ltr_mode,
auto_ltr, sw_ltr. The value of the ltr_mode attribute reflects the
LTR mode being used at the moment (software vs auto) and the other
two contain the actual register values (raw) whose meaning depends
on the LTR mode. All of these attributes are read-only.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
A lot of SOCs including Texas Instruments Davinci family mainly use
video decoders as input devices. This patch adds a flag
'MEDIA_ENT_T_V4L2_SUBDEV_DECODER' media entity type for decoder's.
Along side updates the documentation for this media entity type.
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch implements F-RTO (foward RTO recovery):
When the first retransmission after timeout is acknowledged, F-RTO
sends new data instead of old data. If the next ACK acknowledges
some never-retransmitted data, then the timeout was spurious and the
congestion state is reverted. Otherwise if the next ACK selectively
acknowledges the new data, then the timeout was genuine and the
loss recovery continues. This idea applies to recurring timeouts
as well. While F-RTO sends different data during timeout recovery,
it does not (and should not) change the congestion control.
The implementaion follows the three steps of SACK enhanced algorithm
(section 3) in RFC5682. Step 1 is in tcp_enter_loss(). Step 2 and
3 are in tcp_process_loss(). The basic version is not supported
because SACK enhanced version also works for non-SACK connections.
The new implementation is functionally in parity with the old F-RTO
implementation except the one case where it increases undo events:
In addition to the RFC algorithm, a spurious timeout may be detected
without sending data in step 2, as long as the SACK confirms not
all the original data are dropped. When this happens, the sender
will undo the cwnd and perhaps enter fast recovery instead. This
additional check increases the F-RTO undo events by 5x compared
to the prior implementation on Google Web servers, since the sender
often does not have new data to send for HTTP.
Note F-RTO may detect spurious timeout before Eifel with timestamps
does so.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The patch series refactor the F-RTO feature (RFC4138/5682).
This is to simplify the loss recovery processing. Existing F-RTO
was developed during the experimental stage (RFC4138) and has
many experimental features. It takes a separate code path from
the traditional timeout processing by overloading CA_Disorder
instead of using CA_Loss state. This complicates CA_Disorder state
handling because it's also used for handling dubious ACKs and undos.
While the algorithm in the RFC does not change the congestion control,
the implementation intercepts congestion control in various places
(e.g., frto_cwnd in tcp_ack()).
The new code implements newer F-RTO RFC5682 using CA_Loss processing
path. F-RTO becomes a small extension in the timeout processing
and interfaces with congestion control and Eifel undo modules.
It lets congestion control (module) determines how many to send
independently. F-RTO only chooses what to send in order to detect
spurious retranmission. If timeout is found spurious it invokes
existing Eifel undo algorithms like DSACK or TCP timestamp based
detection.
The first patch removes all F-RTO code except the sysctl_tcp_frto is
left for the new implementation. Since CA_EVENT_FRTO is removed, TCP
westwood now computes ssthresh on regular timeout CA_EVENT_LOSS event.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For extreme usecases such as Real Time or HPC, having
the ability to shutdown the tick when a single task runs
on a CPU is a desired feature:
* Reducing the amount of interrupts improves throughput
for CPU-bound tasks. The CPU is less distracted from its
real job, from an execution time and from the cache point
of views.
* This also improve latency response as we have less critical
sections.
Start with introducing a very simple interface to define
full dynticks CPU: use a boot time option defined cpumask
through the "nohz_extended=" kernel parameter. CPUs that
are part of this range will have their tick shutdown
whenever possible: provided they run a single task and
they don't do kernel activity that require the periodic
tick. These details will be later documented in
Documentation/*
An online CPU must be kept outside this range to handle the
timekeeping.
Suggested-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Gilad Ben Yossef <gilad@benyossef.com>
Cc: Hakan Akkan <hakanakkan@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Li Zhong <zhong@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Merge reason:
From: Alexander Graf <agraf@suse.de>
"Just recently this really important patch got pulled into Linus' tree for 3.9:
commit 1674400aae
Author: Anton Blanchard <anton <at> samba.org>
Date: Tue Mar 12 01:51:51 2013 +0000
Without that commit, I can not boot my G5, thus I can't run automated tests on it against my queue.
Could you please merge kvm/next against linus/master, so that I can base my trees against that?"
* upstream/master: (653 commits)
PCI: Use ROM images from firmware only if no other ROM source available
sparc: remove unused "config BITS"
sparc: delete "if !ULTRA_HAS_POPULATION_COUNT"
KVM: Fix bounds checking in ioapic indirect register reads (CVE-2013-1798)
KVM: x86: Convert MSR_KVM_SYSTEM_TIME to use gfn_to_hva_cache functions (CVE-2013-1797)
KVM: x86: fix for buffer overflow in handling of MSR_KVM_SYSTEM_TIME (CVE-2013-1796)
arm64: Kconfig.debug: Remove unused CONFIG_DEBUG_ERRORS
arm64: Do not select GENERIC_HARDIRQS_NO_DEPRECATED
inet: limit length of fragment queue hash table bucket lists
qeth: Fix scatter-gather regression
qeth: Fix invalid router settings handling
qeth: delay feature trace
sgy-cts1000: Remove __dev* attributes
KVM: x86: fix deadlock in clock-in-progress request handling
KVM: allow host header to be included even for !CONFIG_KVM
hwmon: (lm75) Fix tcn75 prefix
hwmon: (lm75.h) Update header inclusion
MAINTAINERS: Remove Mark M. Hoffman
xfs: ensure we capture IO errors correctly
xfs: fix xfs_iomap_eof_prealloc_initial_size type
...
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
The tracepoint sample code got removed. Remove a few lines on its usage
too.
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Acked-by: Rob Landley <rob@landley.net>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
SAHARA2 HW module is included in the i.MX27 SoC from
Freescale. It is capable of performing cipher algorithms
such as AES, 3DES..., hashing and RNG too.
This driver provides support for AES-CBC and AES-ECB
by now.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This is to pick up the fixes in that branch, and let Alan fix the merge
error in drivers/usb/host/ehci-timer.c better than I just did (as I know
I messed it up...)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch makes exception changes to propagate down in hierarchy respecting
when possible local exceptions.
New exceptions allowing additional access to devices won't be propagated, but
it'll be possible to add an exception to access all of part of the newly
allowed device(s).
New exceptions disallowing access to devices will be propagated down and the
local group's exceptions will be revalidated for the new situation.
Example:
A
/ \
B
group behavior exceptions
A allow "b 8:* rwm", "c 116:1 rw"
B deny "c 1:3 rwm", "c 116:2 rwm", "b 3:* rwm"
If a new exception is added to group A:
# echo "c 116:* r" > A/devices.deny
it'll propagate down and after revalidating B's local exceptions, the exception
"c 116:2 rwm" will be removed.
In case parent's exceptions change and local exceptions are not allowed anymore,
they'll be deleted.
v7:
- do not allow behavior change when the cgroup has children
- update documentation
v6: fixed issues pointed by Serge Hallyn
- only copy parent's exceptions while propagating behavior if the local
behavior is different
- while propagating exceptions, do not clear and copy parent's: it'd be against
the premise we don't propagate access to more devices
v5: fixed issues pointed by Serge Hallyn
- updated documentation
- not propagating when an exception is written to devices.allow
- when propagating a new behavior, clean the local exceptions list if they're
for a different behavior
v4: fixed issues pointed by Tejun Heo
- separated function to walk the tree and collect valid propagation targets
v3: fixed issues pointed by Tejun Heo
- update documentation
- move css_online/css_offline changes to a new patch
- use cgroup_for_each_descendant_pre() instead of own descendant walk
- move exception_copy rework to a separared patch
- move exception_clean rework to a separated patch
v2: fixed issues pointed by Tejun Heo
- instead of keeping the local settings that won't apply anymore, remove them
Cc: Tejun Heo <tj@kernel.org>
Cc: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Aristeu Rozanski <aris@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Pablo Neira Ayuso says:
====================
The following patchset contains 7 Netfilter/IPVS fixes for 3.9-rc, they are:
* Restrict IPv6 stateless NPT targets to the mangle table. Many users are
complaining that this target does not work in the nat table, which is the
wrong table for it, from Florian Westphal.
* Fix possible use before initialization in the netns init path of several
conntrack protocol trackers (introduced recently while improving conntrack
netns support), from Gao Feng.
* Fix incorrect initialization of copy_range in nfnetlink_queue, spotted
by Eric Dumazet during the NFWS2013, patch from myself.
* Fix wrong calculation of next SCTP chunk in IPVS, from Julian Anastasov.
* Remove rcu_read_lock section in IPVS while calling ipv4_update_pmtu
not required anymore after change introduced in 3.7, again from Julian.
* Fix SYN looping in IPVS state sync if the backup is used a real server
in DR/TUN modes, this required a new /proc entry to disable the director
function when acting as backup, also from Julian.
* Remove leftover IP_NF_QUEUE Kconfig after ip_queue removal, noted by
Paul Bolle.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This driver adds support for the AXI clkgen pcore to the common clock framework.
The AXI clkgen pcore is a AXI front-end to the MMCM_ADV frequency synthesizer
commonly found in Xilinx FPGAs.
The AXI clkgen pcore is used in Analog Devices' reference designs targeting
Xilinx FPGAs.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Rule modifications are enabled via /smack/change-rule. Format is as follows:
"Subject Object rwaxt rwaxt"
First two strings are subject and object labels up to 255 characters.
Third string contains permissions to enable.
Fourth string contains permissions to disable.
All unmentioned permissions will be left unchanged.
If no rule previously existed, it will be created.
Targeted for git://git.gitorious.org/smack-next/kernel.git
Signed-off-by: Rafal Krypa <r.krypa@samsung.com>
This is an hybrid board. However, for analog, it requires
a new driver for saa7136. So, for now, let's just add
support for Digital TV.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Dmitry Akindinov is reporting for a problem where SYNs are looping
between the master and backup server when the backup server is used as
real server in DR mode and has IPVS rules to function as director.
Even when the backup function is enabled we continue to forward
traffic and schedule new connections when the current master is using
the backup server as real server. While this is not a problem for NAT,
for DR and TUN method the backup server can not determine if a request
comes from client or from director.
To avoid such loops add new sysctl flag backup_only. It can be needed
for DR/TUN setups that do not need backup and director function at the
same time. When the backup function is enabled we stop any forwarding
and pass the traffic to the local stack (real server mode). The flag
disables the director function when the backup function is enabled.
For setups that enable backup function for some virtual services and
director function for other virtual services there should be another
more complex solution to support DR/TUN mode, may be to assign
per-virtual service syncid value, so that we can differentiate the
requests.
Reported-by: Dmitry Akindinov <dimak@stalker.com>
Tested-by: German Myzovsky <lawyer@sipnet.ru>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
This change adds the binding documentation for the tps65090-charger.
Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Recently as adoption of the pinctrl framework is reaching
niches where the pins are reconfigured during system sleep
and datasheets often talk about something called "GPIO mode",
some engineers become confused by this, thinking that since
it is named "GPIO (something something)" it must be modeled
in the kernel using <linux/gpio.h>.
To clarify things, let's put in this piece of documentation,
or just start off the discussion here.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Pankaj Dev <pankaj.dev@st.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
No functional change. Replace *_* with *-* in property names of otg to
follow the general convention.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Adding PHY driver support for USB 3.0 controller for Samsung's
SoCs.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Moving register and structure definitions to header file,
and keeping the generic functions to be used across
multiple PHYs in common phy helper driver under SAMSUNG_USBPHY,
and moving USB 2.0 PHY driver under SAMSUNG_USB2PHY.
Also allowing samsung PHY drivers be built as modules.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Includes few minor fixes in dwc3-omap like populating the compatible
string in a correct way, extracting the utmi-mode property properly and
changing the index of get_irq since irq of core is removed from hwmod
entry.
Also updated the documentation with dwc3-omap device tree binding
information.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
[ balbi@ti.com : fix a compile warning introduced by
this commit ]
Signed-off-by: Felipe Balbi <balbi@ti.com>
The PHY clock, clock rate, VCC regulator and RESET regulator
can now be provided via device tree.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'v3.9-rc3' into next
Merge with mainline to bring in module_platform_driver_probe() and
devm_ioremap_resource().
Without this change the exynos adc controller needed to have its phy
enabled in some out-of-driver C code. Add support for specifying the
phy enable register by listing it in the reg list.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Tested-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
TCPCT uses option-number 253, reserved for experimental use and should
not be used in production environments.
Further, TCPCT does not fully implement RFC 6013.
As a nice side-effect, removing TCPCT increases TCP's performance for
very short flows:
Doing an apache-benchmark with -c 100 -n 100000, sending HTTP-requests
for files of 1KB size.
before this patch:
average (among 7 runs) of 20845.5 Requests/Second
after:
average (among 7 runs) of 21403.6 Requests/Second
Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds New driver to support:
1. Supports ADC IF found on EXYNOS4412/EXYNOS5250
and future SoCs from Samsung
2. Add ADC driver under iio/adc framework
3. Also adds the Documentation for device tree bindings
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Provide bindings and parse OF data during initialization.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
With this one we have:
- An ab8500 build failure fix.
- An ab8500 device tree parsing fix.
- A fix for twl4030_madc remove routine to work properly (when built-in).
- A fix for properly registering palmas interrupt handler.
- A fix for omap-usb init routine to actually write into the hostconfig
register.
- A couple of warning fixes for ab8500-gpadc and tps65912.
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Merge tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes
Pull MFD fixes from Samuel Ortiz:
"This is the first batch of MFD fixes for 3.9.
With this one we have:
- An ab8500 build failure fix.
- An ab8500 device tree parsing fix.
- A fix for twl4030_madc remove routine to work properly (when
built-in).
- A fix for properly registering palmas interrupt handler.
- A fix for omap-usb init routine to actually write into the
hostconfig register.
- A couple of warning fixes for ab8500-gpadc and tps65912"
* tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
mfd: twl4030-madc: Remove __exit_p annotation
mfd: ab8500: Kill "reg" property from binding
mfd: ab8500-gpadc: Complain if we fail to enable vtvout LDO
mfd: wm831x: Don't forward declare enum wm831x_auxadc
mfd: twl4030-audio: Fix argument type for twl4030_audio_disable_resource()
mfd: tps65912: Declare and use tps65912_irq_exit()
mfd: palmas: Provide irq flags through DT/platform data
mfd: Make AB8500_CORE select POWER_SUPPLY to fix build error
mfd: omap-usb-host: Actually update hostconfig
Allows the OMAP EHCI controller to be specified via device tree.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Allows the OHCI controller found in OMAP3 and later chips to
be specified via device tree.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The default value is 128, not 256
#grep gc_thresh1 net/ -rI
net/decnet/dn_neigh.c: .gc_thresh1 = 128,
net/ipv6/ndisc.c: .gc_thresh1 = 128,
net/ipv4/arp.c: .gc_thresh1 = 128,
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ftrace.txt document has been suffering from some serious bit rot.
Updated the current content to how things are as of v3.10.
Remove things that no longer exist.
Add documentation about new features:
per_cpu
stats
instances
stack trace
etc.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
If debugging the kernel, and the developer wants to use
tracing_snapshot() in places where tracing_snapshot_alloc() may
be difficult (or more likely, the developer is lazy and doesn't
want to bother with tracing_snapshot_alloc() at all), then adding
alloc_snapshot
to the kernel command line parameter will tell ftrace to allocate
the snapshot buffer (if configured) when it allocates the main
tracing buffer.
I also noticed that ring_buffer_expanded and tracing_selftest_disabled
had inconsistent use of boolean "true" and "false" with "0" and "1".
I cleaned that up too.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Extending isku module with one additional and one changed sysfs attr. IskuFX has
larger light sysfs attr. Made the code size tolerant so both devices can be
handled.
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Userland-tools can already be found at http://sourceforge.net/projects/roccat
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Here are some tty/serial driver fixes for 3.9
We finally mute the annoying WARN_ON that lots of people are hitting and
it turns out isn't needed anymore. Also add a few new device ids and a
some other minor fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg Kroah-Hartman:
"Here are some tty/serial driver fixes for 3.9
We finally mute the annoying WARN_ON that lots of people are hitting
and it turns out isn't needed anymore. Also add a few new device ids
and a some other minor fixes."
* tag 'tty-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: fix typo "SERIAL_S3C2412"
serial: 8250: Keep 8250.<xxxx> module options functional after driver rename
tty: serial: fix typo "ARCH_S5P6450"
tty/8250_pnp: serial port detection regression since v3.7
serial: bcm63xx_uart: fix compilation after "TTY: switch tty_insert_flip_char"
serial: 8250_pci: add support for another kind of NetMos Technology PCI 9835 Multi-I/O Controller
Fix 4 port and add support for 8 port 'Unknown' PCI serial port cards
tty/serial: Add support for Altera serial port
tty: serial: vt8500: Unneccessary duplicated clock code removed
tty: serial: mpc5xxx: fix PSC clock name bug
TTY: disable debugging warning
Network coding exploits the 802.11 shared medium to allow multiple
packets to be sent in a single transmission. In brief, a relay can XOR
two packets, and send the coded packet to two destinations. The
receivers can decode one of the original packets by XOR'ing the coded
packet with the other original packet. This will lead to increased
throughput in topologies where two packets cross one relay.
In a simple topology with three nodes, it takes four transmissions
without network coding to get one packet from Node A to Node B and one
from Node B to Node A:
1. Node A ---- p1 ---> Node R Node B
2. Node A Node R <--- p2 ---- Node B
3. Node A <--- p2 ---- Node R Node B
4. Node A Node R ---- p1 ---> Node B
With network coding, the relay only needs one transmission, which saves
us one slot of valuable airtime:
1. Node A ---- p1 ---> Node R Node B
2. Node A Node R <--- p2 ---- Node B
3. Node A <- p1 x p2 - Node R - p1 x p2 -> Node B
The same principle holds for a topology including five nodes. Here the
packets from Node A and Node B are overheard by Node C and Node D,
respectively. This allows Node R to send a network coded packet to save
one transmission:
Node A Node B
| \ / |
| p1 p2 |
| \ / |
p1 > Node R < p2
| |
| / \ |
| p1 x p2 p1 x p2 |
v / \ v
/ \
Node C < > Node D
More information is available on the open-mesh.org wiki[1].
This patch adds the initial code to support network coding in
batman-adv. It sets up a worker thread to do house keeping and adds a
sysfs file to enable/disable network coding. The feature is disabled by
default, as it requires a wifi-driver with working promiscuous mode, and
also because it adds a small delay at each hop.
[1] http://www.open-mesh.org/projects/batman-adv/wiki/Catwoman
Signed-off-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
If RCU's softirq handler is prevented from executing, an RCU CPU stall
warning can result. Ways to prevent RCU's softirq handler from executing
include: (1) CPU spinning with interrupts disabled, (2) infinite loop
in some softirq handler, and (3) in -rt kernels, an infinite loop in a
set of real-time threads running at priorities higher than that of RCU's
softirq handler.
Because this situation can be difficult to track down, this commit causes
the count of RCU softirq handler invocations to be printed with RCU
CPU stall warnings. This information does require some interpretation,
as now documented in Documentation/RCU/stallwarn.txt.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Change cpts_active_slave to active_slave so that the same DT property
can be used to ethtool and SIOCGMIIPHY.
CC: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move all the slave note properties to separate section to reduce the
confusion between slave note properties and cpsw node properties
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
cpuset no longer nests cgroup_mutex inside cpu_hotplug lock, so
we don't have to release cgroup_mutex before calling css_offline().
Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
One of the code samples in whatisRCU.txt shows a bug, but someone scanning
the document quickly might mistake it for a valid use of RCU. Add some
screaming comments to help keep speed-readers on track.
Reported-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The BCM2835 contains two forms of SPI master controller (one known
simply as SPI0, and the other known as the "Universal SPI Master", in
the auxilliary block) and one form of SPI slave controller. This patch
adds support for the SPI0 controller.
This driver is taken from Chris Boot's repository at
git://github.com/bootc/linux.git rpi-linear
as of commit 6de2905 "spi-bcm2708: fix printf with spurious %s".
In the first SPI-related commit there, Chris wrote:
Thanks to csoutreach / A Robinson for his driver which I used as an
inspiration. You can find his version here:
http://piface.openlx.org.uk/raspberry-pi-spi-kernel-driver-available-for
Changes made during upstreaming:
* Renamed bcm2708 to bcm2835 as per upstream naming for this SoC.
* Removed support for brcm,realtime property.
* Increased transfer timeout to 30 seconds.
* Return IRQ_NONE from the IRQ handler if no interrupt was handled.
* Disable TA (Transfer Active) and clear FIFOs on a transfer timeout.
* Wrote device tree binding documentation.
* Request unnamed clock rather than "sys_pclk"; the DT will provide the
correct clock.
* Assume that tfr->speed_hz and tfr->bits_per_word are always set in
bcm2835_spi_start_transfer(), bcm2835_spi_transfer_one(), so no need
to check spi->speed_hz or tft->bits_per_word.
* Re-ordered probe() to remove the need for temporary variables.
* Call clk_disable_unprepare() rather than just clk_unprepare() on probe()
failure.
* Don't use devm_request_irq(), to ensure that the IRQ doesn't fire after
we've torn down the device, but not unhooked the IRQ.
* Moved probe()'s call to clk_prepare_enable() so we can be sure the clock
is enabled if the IRQ handler fires immediately.
* Remove redundant checks from bcm2835_spi_check_transfer() and
bcm2835_spi_setup().
* Re-ordered IRQ handler to check for RXR before DONE. Added comments to
ISR.
* Removed empty prepare/unprepare implementations.
* Removed use of devinit/devexit.
* Added BCM2835_ prefix to defines.
Signed-off-by: Chris Boot <bootc@bootc.net>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
With the new OF DMA binding, it is possible to completely avoid the
need for platform_data for configuring a DMA channel. In cases where the
platform has already been converted, calling dma_request_slave_channel
should get all the necessary information from the device tree.
This also adds a binding document specific to the pl011 controller,
and extends the generic primecell binding to mention "dmas" and other
common properties.
Like the patch that converts the dw_dma controller, this is completely
untested and is looking for someone to try it out.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
With the new OF DMA binding, it is possible to completely avoid the
need for platform_data for configuring a DMA channel. In cases where the
platform has already been converted, calling dma_request_slave_channel
should get all the necessary information from the device tree.
Like the patch that converts the dw_dma controller, this is completely
untested and is looking for someone to try it out.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: spi-devel-general@lists.sourceforge.net
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Vinod Koul <vinod.koul@linux.intel.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Add support for Altera 8250/16550 compatible serial port.
Signed-off-by: Ley Foon Tan <lftan@altera.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
APBPS2 is a PS/2 core part of GRLIB found in SPARC32/LEON
products.
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch series implement the Tail loss probe (TLP) algorithm described
in http://tools.ietf.org/html/draft-dukkipati-tcpm-tcp-loss-probe-01. The
first patch implements the basic algorithm.
TLP's goal is to reduce tail latency of short transactions. It achieves
this by converting retransmission timeouts (RTOs) occuring due
to tail losses (losses at end of transactions) into fast recovery.
TLP transmits one packet in two round-trips when a connection is in
Open state and isn't receiving any ACKs. The transmitted packet, aka
loss probe, can be either new or a retransmission. When there is tail
loss, the ACK from a loss probe triggers FACK/early-retransmit based
fast recovery, thus avoiding a costly RTO. In the absence of loss,
there is no change in the connection state.
PTO stands for probe timeout. It is a timer event indicating
that an ACK is overdue and triggers a loss probe packet. The PTO value
is set to max(2*SRTT, 10ms) and is adjusted to account for delayed
ACK timer when there is only one oustanding packet.
TLP Algorithm
On transmission of new data in Open state:
-> packets_out > 1: schedule PTO in max(2*SRTT, 10ms).
-> packets_out == 1: schedule PTO in max(2*RTT, 1.5*RTT + 200ms)
-> PTO = min(PTO, RTO)
Conditions for scheduling PTO:
-> Connection is in Open state.
-> Connection is either cwnd limited or no new data to send.
-> Number of probes per tail loss episode is limited to one.
-> Connection is SACK enabled.
When PTO fires:
new_segment_exists:
-> transmit new segment.
-> packets_out++. cwnd remains same.
no_new_packet:
-> retransmit the last segment.
Its ACK triggers FACK or early retransmit based recovery.
ACK path:
-> rearm RTO at start of ACK processing.
-> reschedule PTO if need be.
In addition, the patch includes a small variation to the Early Retransmit
(ER) algorithm, such that ER and TLP together can in principle recover any
N-degree of tail loss through fast recovery. TLP is controlled by the same
sysctl as ER, tcp_early_retrans sysctl.
tcp_early_retrans==0; disables TLP and ER.
==1; enables RFC5827 ER.
==2; delayed ER.
==3; TLP and delayed ER. [DEFAULT]
==4; TLP only.
The TLP patch series have been extensively tested on Google Web servers.
It is most effective for short Web trasactions, where it reduced RTOs by 15%
and improved HTTP response time (average by 6%, 99th percentile by 10%).
The transmitted probes account for <0.5% of the overall transmissions.
Signed-off-by: Nandita Dukkipati <nanditad@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The ab8500 device is a child of the prcmu device, which is a memory mapped
bus device, whose children are addressable using physical memory addresses,
not using mailboxes, so a mailbox number in the ab8500 node cannot be
parsed by DT. Nothing uses this number, since it was only introduced
as part of the failed attempt to clean up prcmu mailbox handling, and
we can simply remove it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Pull perf fixes from Ingo Molnar:
"Misc minor fixes mostly related to tracing"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
s390: Fix a header dependencies related build error
tracing: update documentation of snapshot utility
tracing: Do not return EINVAL in snapshot when not allocated
tracing: Add help of snapshot feature when snapshot is empty
ftrace: Update the kconfig for DYNAMIC_FTRACE
Pull networking fixes from David Miller:
1) Missing cancel of work items in mac80211 MLME, from Ben Greear.
2) Fix DMA mapping handling in iwlwifi by using coherent DMA for
command headers, from Johannes Berg.
3) Decrease the amount of pressure on the page allocator by using order
1 pages less in iwlwifi, from Emmanuel Grumbach.
4) Fix mesh PS broadcast OOPS in mac80211, from Marco Porsch.
5) Don't forget to recalculate idle state in mac80211 monitor
interface, from Felix Fietkau.
6) Fix varargs in netfilter conntrack handler, from Joe Perches.
7) Need to reset entire chip when command queue fills up in iwlwifi,
from Emmanuel Grumbach.
8) The TX antenna value must be valid when calibrations are performed
in iwlwifi, fix from Dor Shaish.
9) Don't generate netfilter audit log entries when audit is disabled,
from Gao Feng.
10) Deal with DMA unit hang on e1000e during power state transitions,
from Bruce Allan.
11) Remove BUILD_BUG_ON check from igb driver, from Alexander Duyck.
12) Fix lockdep warning on i2c handling of igb driver, from Carolyn
Wyborny.
13) Fix several TTY handling issues in IRDA ircomm tty driver, from
Peter Hurley.
14) Several QFQ packet scheduler fixes from Paolo Valente.
15) When VXLAN encapsulates on transmit, we have to reset the netfilter
state. From Zang MingJie.
16) Fix jiffie check in net_rx_action() so that we really cap the
processing at 2HZ. From Eric Dumazet.
17) Fix erroneous trigger of IP option space exhaustion, when routers
are pre-specified and we are looking to see if we can insert a
timestamp, we will have the space. From David Ward.
18) Fix various issues in benet driver wrt waiting for firmware to
finish POST after resets or errors. From Gavin Shan and Sathya
Perla.
19) Fix TX locking in SFC driver, from Ben Hutchings.
20) Like the VXLAN fix above, when we encap in a TUN device we have to
reset the netfilter state. This should fix several strange crashes
reported by Dave Jones and others. From Eric Dumazet.
21) Don't forget to clean up MAC address resources when shutting down a
port in mlx4 driver, from Yan Burman.
22) Fix divide by zero in vmxnet3 driver, from Bhavesh Davda.
23) Fix device statistic regression in tg3 when the driver is using
phylib, from Nithin Sujir.
24) Fix info leak in several netlink handlers, from Mathias Krause.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (79 commits)
6lowpan: Fix endianness issue in is_addr_link_local().
rrunner.c: fix possible memory leak in rr_init_one()
dcbnl: fix various netlink info leaks
rtnl: fix info leak on RTM_GETLINK request for VF devices
bridge: fix mdb info leaks
tg3: Update link_up flag for phylib devices
ipv6: stop multicast forwarding to process interface scoped addresses
bridging: fix rx_handlers return code
netlabel: fix build problems when CONFIG_IPV6=n
drivers/isdn: checkng length to be sure not memory overflow
net/rds: zero last byte for strncpy
bnx2x: Fix SFP+ misconfiguration in iSCSI boot scenario
bnx2x: Fix intermittent long KR2 link up time
macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode.
team: unsyc the devices addresses when port is removed
bridge: add missing vid to br_mdb_get()
Fix: sparse warning in inet_csk_prepare_forced_close
afkey: fix a typo
MAINTAINERS: Update qlcnic maintainers list
netlabel: correctly list all the static label mappings
...
Pull input updates from Dmitry Torokhov:
"Except for the largish change to the ALPS driver adding "Dolphin V1"
support and Wacom getting a new signature of yet another device, the
rest are straightforward driver fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: mms114 - Fix regulator enable and disable paths
Input: ads7864 - check return value of regulator enable
Input: tc3589x-keypad - fix keymap size
Input: wacom - add support for 0x10d
Input: ALPS - update documentation for recent touchpad driver mods
Input: ALPS - add "Dolphin V1" touchpad support
Input: ALPS - remove unused argument to alps_enter_command_mode()
Input: cypress_ps2 - fix trackpadi found in Dell XPS12
Having snd_BUG_ON() only evaluate its conditional when CONFIG_SND_DEBUG
is set leads to frequent bugs, since other similar macros in the kernel
have different behavior. Let's make snd_BUG_ON() act like those macros
so it will stop being accidentally misused.
Signed-off-by: Christine Spang <christine.spang@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Seeing from the comment, there should be three reasons for removing request_mem_region.
Change the comment "two" to "three".
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Allow the MCT controller base address and interrupts to be
obtained from device tree and remove unused static definitions
of these. The non-dt support for Exynos5250 is removed but
retained for Exynos4210 based platforms.
Cc: Changhwan Youn <chaos.youn@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch adds a driver for TI's TA5086 6-channel PWM processor.
This chip has a very unusual register layout, specifically because the
registers are of unequal size, and multi-byte registers require bulk
writes to take effect. Regmap does not support these kind of mappings.
Currently, the driver does not touch any of the registers >= 0x20, so
it doesn't matter, because the register map is mapped to an 8-bit array.
In case more features will be added in the future that require access
to higher registers, the entire regmap H/W I/O routines have to be
open-coded.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Adds a driver for Asahi Kasei's AK5386 Single-ended 24-Bit 192kHz
delta-sigma ADC. The device has no control port interface but an
optional RESET/PDN GPIO pin.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Now, "snapshot" file returns success on a reset of snapshot buffer
even if the buffer wasn't allocated, instead of returning EINVAL.
This patch updates snapshot desctiption according to the change.
Link: http://lkml.kernel.org/r/51399409.4090207@hitachi.com
Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
- Two fixes for the new intel_pstate driver from Dirk Brandewie.
- Fix for incorrect usage of the .find_bridge() callback from struct
acpi_bus_type in the USB core and subsequent removal of that
callback from Rafael J. Wysocki.
- ACPI processor driver cleanups from Chen Gang and Syam Sidhardhan.
- ACPI initialization and error messages fix from Joe Perches.
- Operating Performance Points documentation improvement from
Nishanth Menon.
- Fixes for memory leaks and potential concurrency issues and sysfs
attributes leaks during device removal in the core device PM QoS
code from Rafael J. Wysocki.
- Calxeda Highbank cpufreq driver simplification from Emilio López.
- cpufreq comment cleanup from Namhyung Kim.
- Fix for a section mismatch in Calxeda Highbank interprocessor
communication code from Mark Langsdorf (this is not a PM fix
strictly speaking, but the code in question went in through the
PM tree).
/
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Merge tag 'pm+acpi-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael J Wysocki:
- Two fixes for the new intel_pstate driver from Dirk Brandewie.
- Fix for incorrect usage of the .find_bridge() callback from struct
acpi_bus_type in the USB core and subsequent removal of that callback
from Rafael J Wysocki.
- ACPI processor driver cleanups from Chen Gang and Syam Sidhardhan.
- ACPI initialization and error messages fix from Joe Perches.
- Operating Performance Points documentation improvement from Nishanth
Menon.
- Fixes for memory leaks and potential concurrency issues and sysfs
attributes leaks during device removal in the core device PM QoS code
from Rafael J Wysocki.
- Calxeda Highbank cpufreq driver simplification from Emilio López.
- cpufreq comment cleanup from Namhyung Kim.
- Fix for a section mismatch in Calxeda Highbank interprocessor
communication code from Mark Langsdorf (this is not a PM fix strictly
speaking, but the code in question went in through the PM tree).
* tag 'pm+acpi-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq / intel_pstate: Do not load on VM that does not report max P state.
cpufreq / intel_pstate: Fix intel_pstate_init() error path
ACPI / glue: Drop .find_bridge() callback from struct acpi_bus_type
ACPI / glue: Add .match() callback to struct acpi_bus_type
ACPI / porocessor: Beautify code, pr->id is u32 which is never < 0
ACPI / processor: Remove redundant NULL check before kfree
ACPI / Sleep: Avoid interleaved message on errors
PM / QoS: Remove device PM QoS sysfs attributes at the right place
PM / QoS: Fix concurrency issues and memory leaks in device PM QoS
cpufreq: highbank: do not initialize array with a loop
PM / OPP: improve introductory documentation
cpufreq: Fix a typo in comment
mailbox, pl320-ipc: remove __init from probe function
There is no big merit to distinguish these two hints. Instead, just
have a single flag, add_jack_modes, for creating the jack mode enum
ctls for both I/O directions.
The hint string parser code is left and translated as add_jack_modes
just for keeping compatibility.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch improves the generic parser code to allow to set up the
headphone jack as a mic input. User can enable this feature by giving
hp_mic hint string.
The former shared hp/mic feature for the single built-in mic is still
retained. This detection can be disabled now via hp_mic_detect hint
string, too.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The irqsafe version ieee80211_sta_eosp_irqsafe() exists, but
drivers must not mix calls to any irqsafe/non-irqsafe function.
Both ath9k and iwlwifi, the likely first users of this interface,
use non-irqsafe RX/TX/TX status so must also use a non-irqsafe
version of this function. Since no driver uses the _irqsafe()
version, remove that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Adding OHCI device tree node for Exynos5250 along with
the device base address.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Adding EHCI device tree node for Exynos5250 along with
the device base adress and gpio line for vbus.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Added an example for bindings for illustration and clarity.
Cc: devicetree-discuss@lists.ozlabs.org
Cc: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Add comments with pinconf & gpio range in the document of
pinctrl-single.
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Add gpio offset into "gpio-range-cells" property. It's used to support
sparse pinctrl range in gpio chip.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
mostly little bugfixes.
Only "feature" is a new RAID10 layout which slightly
improves the number of sets of devices that can concurrently
fail, without data loss.
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Merge tag 'md-3.9' of git://neil.brown.name/md
Pull md updates from NeilBrown:
"Mostly little bugfixes.
Only "feature" is a new RAID10 layout which slightly improves the
number of sets of devices that can concurrently fail, without data
loss."
* tag 'md-3.9' of git://neil.brown.name/md:
md: expedite metadata update when switching read-auto -> active
md: remove CONFIG_MULTICORE_RAID456
md/raid1,raid10: fix deadlock with freeze_array()
md/raid0: improve error message when converting RAID4-with-spares to RAID0
md: raid0: fix error return from create_stripe_zones.
md: fix two bugs when attempting to resize RAID0 array.
DM RAID: Add support for MD's RAID10 "far" and "offset" algorithms
MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 2)
MD RAID10: Improve redundancy for 'far' and 'offset' algorithms (part 1)
MD RAID10: Minor non-functional code changes
md: raid1,10: Handle REQ_WRITE_SAME flag in write bios
md: protect against crash upon fsync on ro array
-also define a binding for fsl,eref-* properties
Signed-off-by: Stuart Yoder <stuart.yoder@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Enhance KVM_IOEVENTFD with a new flag that allows to attach to virtio-ccw
devices on s390 via the KVM_VIRTIO_CCW_NOTIFY_BUS.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Define video buffer flag for the COPY timestamp. In this case the timestamp
value is copied from the OUTPUT to the corresponding CAPTURE buffer.
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Introduce user space interface for manipulating hotplug profiles
associated with ACPI scan handlers.
The interface consists of sysfs directories under
/sys/firmware/acpi/hotplug/, one for each hotplug profile, containing
an attribute allowing user space to manipulate the enabled field of
the corresponding profile. Namely, switching the enabled attribute
from '0' to '1' will cause the common hotplug notify handler to be
installed for all ACPI namespace objects representing devices matching
the scan handler associated with the given hotplug profile (and
analogously for the converse switch).
Drivers willing to use the new user space interface should add their
ACPI scan handlers with the help of new funtion
acpi_scan_add_handler_with_hotplug().
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Make Operating Performance Points (OPP) library introductory chapter
a little more reader-friendly. Split the chapter into two sections,
highlight the definition with an example and minor rewording to be
verbose.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The adt7410 driver supports the ADT7420, but its documentation file
makes no mention of that. Add this refrence, and a brief a description
of the differences between the ADT7410 and the ADT7420.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Links to datasheets are no longer valid. Provide links to product information
instead (which provides links to the datasheets and is hopefully more
persistent).
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Most of the hwmon driver documentation still listed my old invalid e-mail
address. Fix it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
This adds core architecture support for Imagination's Meta processor
cores, followed by some later miscellaneous arch/metag cleanups and
fixes which I kept separate to ease review:
- Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture
- A few fixes all over, particularly for symbol prefixes
- A few privilege protection fixes
- Several cleanups (setup.c includes, split out a lot of metag_ksyms.c)
- Fix some missing exports
- Convert hugetlb to use vm_unmapped_area()
- Copy device tree to non-init memory
- Provide dma_get_sgtable()
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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Merge tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag
Pull new ImgTec Meta architecture from James Hogan:
"This adds core architecture support for Imagination's Meta processor
cores, followed by some later miscellaneous arch/metag cleanups and
fixes which I kept separate to ease review:
- Support for basic Meta 1 (ATP) and Meta 2 (HTP) core architecture
- A few fixes all over, particularly for symbol prefixes
- A few privilege protection fixes
- Several cleanups (setup.c includes, split out a lot of
metag_ksyms.c)
- Fix some missing exports
- Convert hugetlb to use vm_unmapped_area()
- Copy device tree to non-init memory
- Provide dma_get_sgtable()"
* tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag: (61 commits)
metag: Provide dma_get_sgtable()
metag: prom.h: remove declaration of metag_dt_memblock_reserve()
metag: copy devicetree to non-init memory
metag: cleanup metag_ksyms.c includes
metag: move mm/init.c exports out of metag_ksyms.c
metag: move usercopy.c exports out of metag_ksyms.c
metag: move setup.c exports out of metag_ksyms.c
metag: move kick.c exports out of metag_ksyms.c
metag: move traps.c exports out of metag_ksyms.c
metag: move irq enable out of irqflags.h on SMP
genksyms: fix metag symbol prefix on crc symbols
metag: hugetlb: convert to vm_unmapped_area()
metag: export clear_page and copy_page
metag: export metag_code_cache_flush_all
metag: protect more non-MMU memory regions
metag: make TXPRIVEXT bits explicit
metag: kernel/setup.c: sort includes
perf: Enable building perf tools for Meta
metag: add boot time LNKGET/LNKSET check
metag: add __init to metag_cache_probe()
...
Pull watchdog updates from Wim Van Sebroeck:
"This contains:
- fixes and improvements
- devicetree bindings
- conversion to watchdog generic framework of the following drivers:
- booke_wdt
- bcm47xx_wdt.c
- at91sam9_wdt
- Removal of old STMP3xxx driver
- Addition of following new drivers:
- new driver for STMP3xxx and i.MX23/28
- Retu watchdog driver"
* git://www.linux-watchdog.org/linux-watchdog: (30 commits)
watchdog: sp805_wdt depends on ARM
watchdog: davinci_wdt: update to devm_* API
watchdog: davinci_wdt: use devm managed clk get
watchdog: at91rm9200: add DT support
watchdog: add timeout-sec property binding
watchdog: at91sam9_wdt: Convert to use the watchdog framework
watchdog: omap_wdt: Add option nowayout
watchdog: core: dt: add support for the timeout-sec dt property
watchdog: bcm47xx_wdt.c: add hard timer
watchdog: bcm47xx_wdt.c: rename wdt_time to timeout
watchdog: bcm47xx_wdt.c: rename ops methods
watchdog: bcm47xx_wdt.c: use platform device
watchdog: bcm47xx_wdt.c: convert to watchdog core api
watchdog: Convert BookE watchdog driver to watchdog infrastructure
watchdog: s3c2410_wdt: Use devm_* functions
watchdog: remove old STMP3xxx driver
watchdog: add new driver for STMP3xxx and i.MX23/28
rtc: stmp3xxx: add wdt-accessor function
watchdog: introduce retu_wdt driver
watchdog: intel_scu_watchdog: fix Kconfig dependency
...
Pull second set of slave-dmaengine updates from Vinod Koul:
"Arnd's patch moves the dw_dmac to use generic DMA binding. I agreed
to merge this late as it will avoid the conflicts between trees.
The second patch from Matt adding a dma_request_slave_channel_compat
API was supposed to be picked up, but somehow never got picked up.
Some patches dependent on this are already in -next :("
* 'next' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: dw_dmac: move to generic DMA binding
dmaengine: add dma_request_slave_channel_compat()
Pull x86 platform driver updates from Matthew Garrett:
"Mostly relatively small updates, along with some hardware enablement
for Sony hardware and a pile of updates to Google's Chromebook driver"
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (49 commits)
ideapad-laptop: Depend on BACKLIGHT_CLASS_DEVICE instead of selecting it
ideapad: depends on backlight subsystem and update comment
Platform: x86: chromeos_laptop - add i915 gmbuses to adapter names
Platform: x86: chromeos_laptop - Add isl light sensor for Pixel
Platform: x86: chromeos_laptop - Add a more general add_i2c_device
Platform: x86: chromeos_laptop - Add Pixel Touchscreen
Platform: x86: chromeos_laptop - Add support for probing devices
Platform: x86: chromeos_laptop - Add Pixel Trackpad
hp-wmi: fix handling of platform device
sony-laptop: leak in error handling sony_nc_lid_resume_setup()
hp-wmi: Add support for SMBus hotkeys
asus-wmi: Fix unused function build warning
acer-wmi: avoid the warning of 'devices' may be used uninitialized
drivers/platform/x86/thinkpad_acpi.c: Handle HKEY event 0x6040
Platform: x86: chromeos_laptop - Add HP Pavilion 14
Platform: x86: chromeos_laptop - Add Taos tsl2583 device
Platform: x86: chromeos_laptop - Add Taos tsl2563 device
Platform: x86: chromeos_laptop - Add Acer C7 trackpad
Platform: x86: chromeos_laptop - Rename setup_lumpy_tp to setup_cyapa_smbus_tp
asus-laptop: always report brightness key events
...
* misc clean-ups in the MTD command-line partitioning parser (cmdlinepart)
* add flash locking support for STmicro chips serial flash chips, as well as
for CFI command set 2 chips.
* new driver for the ELM error correction HW module found in various TI chips,
enable the OMAP NAND driver to use the ELM HW error correction
* added number of new serial flash IDs
* various fixes and improvements in the gpmi NAND driver
* bcm47xx NAND driver improvements
* make the mtdpart module actually removable
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Merge tag 'for-linus-20130301' of git://git.infradead.org/linux-mtd
Pull MTD update from David Woodhouse:
"Fairly unexciting MTD merge for 3.9:
- misc clean-ups in the MTD command-line partitioning parser
(cmdlinepart)
- add flash locking support for STmicro chips serial flash chips, as
well as for CFI command set 2 chips.
- new driver for the ELM error correction HW module found in various
TI chips, enable the OMAP NAND driver to use the ELM HW error
correction
- added number of new serial flash IDs
- various fixes and improvements in the gpmi NAND driver
- bcm47xx NAND driver improvements
- make the mtdpart module actually removable"
* tag 'for-linus-20130301' of git://git.infradead.org/linux-mtd: (45 commits)
mtd: map: BUG() in non handled cases
mtd: bcm47xxnflash: use pr_fmt for module prefix in messages
mtd: davinci_nand: Use managed resources
mtd: mtd_torturetest can cause stack overflows
mtd: physmap_of: Convert device allocation to managed devm_kzalloc()
mtd: at91: atmel_nand: for PMECC, add code to check the ONFI parameter ECC requirement.
mtd: atmel_nand: make pmecc-cap, pmecc-sector-size in dts is optional.
mtd: atmel_nand: avoid to report an error when lookup table offset is 0.
mtd: bcm47xxsflash: adjust names of bus-specific functions
mtd: bcm47xxpart: improve probing of nvram partition
mtd: bcm47xxpart: add support for other erase sizes
mtd: bcm47xxnflash: register this as normal driver
mtd: bcm47xxnflash: fix message
mtd: bcm47xxsflash: register this as normal driver
mtd: bcm47xxsflash: write number of written bytes
mtd: gpmi: add sanity check for the ECC
mtd: gpmi: set the Golois Field bit for mx6q's BCH
mtd: devices: elm: Removes <xx> literals in elm DT node
mtd: gpmi: fix a dereferencing freed memory error
mtd: fix the wrong timeo for panic_nand_wait()
...
Add basic metag documentation. This includes an outline description of
the ABIs (including syscall ABI) and calling conventions, similar to the
one in Documentation/frv/.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Rob Landley <rob@landley.net>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: linux-doc@vger.kernel.org
Meta core internal interrupts (from HWSTATMETA and friends) are vectored
onto the TR1 core trigger for the current thread. This is demultiplexed
in irq-metag.c to individual Linux IRQs for each internal interrupt.
External SoC interrupts (from HWSTATEXT and friends) are vectored onto
the TR2 core trigger for the current thread. This is demultiplexed in
irq-metag-ext.c to individual Linux IRQs for each external SoC interrupt.
The external irqchip has devicetree bindings for configuring the number
of irq banks and the type of masking available.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: Dom Cobley <popcornmix@gmail.com>
Cc: Simon Arlott <simon@fire.lp0.eu>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-doc@vger.kernel.org
an SSD to be used as a cache in front of a slower device. Cache
tuning is delegated to interchangeable policy modules so these can
be developed independently of the mechanics needed to shuffle the
data around.
Other than that, kcopyd users acquire a throttling parameter, ioctl
buffer usage gets streamlined, more mempool reliance is reduced
and there are a few other bug fixes and tidy-ups.
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Merge tag 'dm-3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm
Pull device-mapper update from Alasdair G Kergon:
"The main addition here is a long-desired target framework to allow an
SSD to be used as a cache in front of a slower device. Cache tuning
is delegated to interchangeable policy modules so these can be
developed independently of the mechanics needed to shuffle the data
around.
Other than that, kcopyd users acquire a throttling parameter, ioctl
buffer usage gets streamlined, more mempool reliance is reduced and
there are a few other bug fixes and tidy-ups."
* tag 'dm-3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm: (30 commits)
dm cache: add cleaner policy
dm cache: add mq policy
dm: add cache target
dm persistent data: add bitset
dm persistent data: add transactional array
dm thin: remove cells from stack
dm bio prison: pass cell memory in
dm persistent data: add btree_walk
dm: add target num_write_bios fn
dm kcopyd: introduce configurable throttling
dm ioctl: allow message to return data
dm ioctl: optimize functions without variable params
dm ioctl: introduce ioctl_flags
dm: merge io_pool and tio_pool
dm: remove unused _rq_bio_info_cache
dm: fix limits initialization when there are no data devices
dm snapshot: add missing module aliases
dm persistent data: set some btree fn parms const
dm: refactor bio cloning
dm: rename bio cloning functions
...
This is an assorted set of stragglers into the merge window with driver
updates for qla2xxx, megaraid_sas, storvsc and ufs. It also includes pulls of
the uapi tree (all the remaining SCSI pieces) and the fcoe tree (updates to
fcoe and libfc)
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is an assorted set of stragglers into the merge window with
driver updates for qla2xxx, megaraid_sas, storvsc and ufs.
It also includes pulls of the uapi tree (all the remaining SCSI
pieces) and the fcoe tree (updates to fcoe and libfc)"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (81 commits)
[SCSI] ufs: Separate PCI code into glue driver
[SCSI] ufs: Segregate PCI Specific Code
[SCSI] scsi: fix lpfc build when wmb() is defined as mb()
[SCSI] storvsc: Handle dynamic resizing of the device
[SCSI] storvsc: Restructure error handling code on command completion
[SCSI] storvsc: avoid usage of WRITE_SAME
[SCSI] aacraid: suppress two GCC warnings
[SCSI] hpsa: check for dma_mapping_error in hpsa_passthru ioctls
[SCSI] hpsa: reorganize error handling in hpsa_passthru_ioctl
[SCSI] hpsa: check for dma_mapping_error in hpsa_map_sg_chain_block
[SCSI] hpsa: Check for dma_mapping_error for all code paths using fill_cmd
[SCSI] hpsa: Check for dma_mapping_error in hpsa_map_one
[SCSI] dc395x: uninitialized variable in device_alloc()
[SCSI] Fix range check in scsi_host_dif_capable()
[SCSI] storvsc: Initialize the sglist
[SCSI] mpt2sas: Add support for OEM specific controller
[SCSI] ipr: Fix oops while resetting an ipr adapter
[SCSI] fnic: Fnic Trace Utility
[SCSI] fnic: New debug flags and debug log messages
[SCSI] fnic: fnic driver may hit BUG_ON on device reset
...
Tim found:
WARNING: at arch/x86/kernel/smpboot.c:324 topology_sane.isra.2+0x6f/0x80()
Hardware name: S2600CP
sched: CPU #1's llc-sibling CPU #0 is not on the same node! [node: 1 != 0]. Ignoring dependency.
smpboot: Booting Node 1, Processors #1
Modules linked in:
Pid: 0, comm: swapper/1 Not tainted 3.9.0-0-generic #1
Call Trace:
set_cpu_sibling_map+0x279/0x449
start_secondary+0x11d/0x1e5
Don Morris reproduced on a HP z620 workstation, and bisected it to
commit e8d1955258 ("acpi, memory-hotplug: parse SRAT before memblock
is ready")
It turns out movable_map has some problems, and it breaks several things
1. numa_init is called several times, NOT just for srat. so those
nodes_clear(numa_nodes_parsed)
memset(&numa_meminfo, 0, sizeof(numa_meminfo))
can not be just removed. Need to consider sequence is: numaq, srat, amd, dummy.
and make fall back path working.
2. simply split acpi_numa_init to early_parse_srat.
a. that early_parse_srat is NOT called for ia64, so you break ia64.
b. for (i = 0; i < MAX_LOCAL_APIC; i++)
set_apicid_to_node(i, NUMA_NO_NODE)
still left in numa_init. So it will just clear result from early_parse_srat.
it should be moved before that....
c. it breaks ACPI_TABLE_OVERIDE...as the acpi table scan is moved
early before override from INITRD is settled.
3. that patch TITLE is total misleading, there is NO x86 in the title,
but it changes critical x86 code. It caused x86 guys did not
pay attention to find the problem early. Those patches really should
be routed via tip/x86/mm.
4. after that commit, following range can not use movable ram:
a. real_mode code.... well..funny, legacy Node0 [0,1M) could be hot-removed?
b. initrd... it will be freed after booting, so it could be on movable...
c. crashkernel for kdump...: looks like we can not put kdump kernel above 4G
anymore.
d. init_mem_mapping: can not put page table high anymore.
e. initmem_init: vmemmap can not be high local node anymore. That is
not good.
If node is hotplugable, the mem related range like page table and
vmemmap could be on the that node without problem and should be on that
node.
We have workaround patch that could fix some problems, but some can not
be fixed.
So just remove that offending commit and related ones including:
f7210e6c4a ("mm/memblock.c: use CONFIG_HAVE_MEMBLOCK_NODE_MAP to
protect movablecore_map in memblock_overlaps_region().")
01a178a94e ("acpi, memory-hotplug: support getting hotplug info from
SRAT")
27168d38fa ("acpi, memory-hotplug: extend movablemem_map ranges to
the end of node")
e8d1955258 ("acpi, memory-hotplug: parse SRAT before memblock is
ready")
fb06bc8e5f ("page_alloc: bootmem limit with movablecore_map")
42f47e27e7 ("page_alloc: make movablemem_map have higher priority")
6981ec3114 ("page_alloc: introduce zone_movable_limit[] to keep
movable limit for nodes")
34b71f1e04 ("page_alloc: add movable_memmap kernel parameter")
4d59a75125 ("x86: get pg_data_t's memory from other node")
Later we should have patches that will make sure kernel put page table
and vmemmap on local node ram instead of push them down to node0. Also
need to find way to put other kernel used ram to local node ram.
Reported-by: Tim Gardner <tim.gardner@canonical.com>
Reported-by: Don Morris <don.morris@hp.com>
Bisected-by: Don Morris <don.morris@hp.com>
Tested-by: Don Morris <don.morris@hp.com>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Thomas Renninger <trenn@suse.de>
Cc: Tejun Heo <tj@kernel.org>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'arc-v3.9-rc1-late' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull new ARC architecture from Vineet Gupta:
"Initial ARC Linux port with some fixes on top for 3.9-rc1:
I would like to introduce the Linux port to ARC Processors (from
Synopsys) for 3.9-rc1. The patch-set has been discussed on the public
lists since Nov and has received a fair bit of review, specially from
Arnd, tglx, Al and other subsystem maintainers for DeviceTree, kgdb...
The arch bits are in arch/arc, some asm-generic changes (acked by
Arnd), a minor change to PARISC (acked by Helge).
The series is a touch bigger for a new port for 2 main reasons:
1. It enables a basic kernel in first sub-series and adds
ptrace/kgdb/.. later
2. Some of the fallout of review (DeviceTree support, multi-platform-
image support) were added on top of orig series, primarily to
record the revision history.
This updated pull request additionally contains
- fixes due to our GNU tools catching up with the new syscall/ptrace
ABI
- some (minor) cross-arch Kconfig updates."
* tag 'arc-v3.9-rc1-late' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: (82 commits)
ARC: split elf.h into uapi and export it for userspace
ARC: Fixup the current ABI version
ARC: gdbserver using regset interface possibly broken
ARC: Kconfig cleanup tracking cross-arch Kconfig pruning in merge window
ARC: make a copy of flat DT
ARC: [plat-arcfpga] DT arc-uart bindings change: "baud" => "current-speed"
ARC: Ensure CONFIG_VIRT_TO_BUS is not enabled
ARC: Fix pt_orig_r8 access
ARC: [3.9] Fallout of hlist iterator update
ARC: 64bit RTSC timestamp hardware issue
ARC: Don't fiddle with non-existent caches
ARC: Add self to MAINTAINERS
ARC: Provide a default serial.h for uart drivers needing BASE_BAUD
ARC: [plat-arcfpga] defconfig for fully loaded ARC Linux
ARC: [Review] Multi-platform image #8: platform registers SMP callbacks
ARC: [Review] Multi-platform image #7: SMP common code to use callbacks
ARC: [Review] Multi-platform image #6: cpu-to-dma-addr optional
ARC: [Review] Multi-platform image #5: NR_IRQS defined by ARC core
ARC: [Review] Multi-platform image #4: Isolate platform headers
ARC: [Review] Multi-platform image #3: switch to board callback
...
Pull MIPS updates from Ralf Baechle:
o Add basic support for the Mediatek/Ralink Wireless SoC family.
o The Qualcomm Atheros platform is extended by support for the new
QCA955X SoC series as well as a bunch of patches that get the code
ready for OF support.
o Lantiq and BCM47XX platform have a few improvements and bug fixes.
o MIPS has sent a few patches that get the kernel ready for the
upcoming microMIPS support.
o The rest of the series is made up of small bug fixes and cleanups
that relate to various parts of the MIPS code. The biggy in there is
a whitespace cleanup. After I was sent another set of whitespace
cleanup patches I decided it was the time to clean the whitespace
"issues" for once and and that touches many files below arch/mips/.
Fix up silly conflicts, mostly due to whitespace cleanups.
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (105 commits)
MIPS: Quit exporting kernel internel break codes to uapi/asm/break.h
MIPS: remove broken conditional inside vpe loader code
MIPS: SMTC: fix implicit declaration of set_vi_handler
MIPS: early_printk: drop __init annotations
MIPS: Probe for and report hardware virtualization support.
MIPS: ath79: add support for the Qualcomm Atheros AP136-010 board
MIPS: ath79: add USB controller registration code for the QCA955X SoCs
MIPS: ath79: add PCI controller registration code for the QCA955X SoCs
MIPS: ath79: add WMAC registration code for the QCA955X SoCs
MIPS: ath79: register UART for the QCA955X SoCs
MIPS: ath79: add QCA955X specific glue to ath79_device_reset_{set, clear}
MIPS: ath79: add GPIO setup code for the QCA955X SoCs
MIPS: ath79: add IRQ handling code for the QCA955X SoCs
MIPS: ath79: add clock setup code for the QCA955X SoCs
MIPS: ath79: add SoC detection code for the QCA955X SoCs
MIPS: ath79: add early printk support for the QCA955X SoCs
MIPS: ath79: fix WMAC IRQ resource assignment
mips: reserve elfcorehdr
mips: Make sure kernel memory is in iomem
MIPS: ath79: use dynamically allocated USB platform devices
...
A simple cache policy that writes back all data to the origin.
This is used to decommission a dm cache by emptying it.
Signed-off-by: Heinz Mauelshagen <mauelshagen@redhat.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
A cache policy that uses a multiqueue ordered by recent hit
count to select which blocks should be promoted and demoted.
This is meant to be a general purpose policy. It prioritises
reads over writes.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Add a target that allows a fast device such as an SSD to be used as a
cache for a slower device such as a disk.
A plug-in architecture was chosen so that the decisions about which data
to migrate and when are delegated to interchangeable tunable policy
modules. The first general purpose module we have developed, called
"mq" (multiqueue), follows in the next patch. Other modules are
under development.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Heinz Mauelshagen <mauelshagen@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
this patchset add the timeout-sec property to the following drivers:
orion_wdt, pnx4008_wdt, s3c2410_wdt and at91sam9_wdt.
The at91sam9_wdt is tested on evk-pr3,
the other drivers are compile tested only.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Cc: Masanari Iida <standby24x7@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Add support for watchdog drivers to initialize/set the timeout field
of the watchdog_device structure. The timeout field is initialised
either with the module timeout parameter value (if valid) or with the
timeout-sec dt property (if valid). If both are invalid the initial
value is unchanged.
Signed-off-by: Fabio Porcedda <fabio.porcedda@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This series contains changes for the Marvell EBU platforms (mvebu,
orion, kirkwood, dove) that were not part of the first set of pull
requests because of dependencies on the MMC tree, and being submitted
a little late.
Notable changes are:
* More devices get moved out of board files into device tree
descriptions. The remaining devices listed in there have patches
that will get sent for 3.10, after which we can remove a lot of the
board files entirely. We are doing the pinctrl and mmc drivers here,
ethernet and PCI still remain.
* SMP support for mvebu is improved with support for the
local interrupt controller.
* The Guruplug board file gets replaced with a DT description.
Unfortunately, the dependency on the MMC tree turned out to be a much
larger problem than expected, when the MMC maintainer rebased the patches
in his tree that all of the patches in this branch are based on, which
caused merge conflicts between the new and old versions of those patches.
To work around the merge conflicts, this branch rebases all patches
on top of the respective MMC patches that did get merged into 3.9.
The patches are all identical to the versions that were part of
linux-next, but have a new commit date.
Merge conflicts:
* in board-nsa310.c, the gpio.h inclusion was removed prematurely and
put back as a bug fix earlier. With this series it is really not needed
any more.
* The patch to add rtc support was already applied by Andrew Morton,
and conflicts with a second copy that was in this series, which adds
a lot of other devices to arch/arm/boot/dts/armada-370-xp.dtsi.
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Merge tag 'late-mvebu-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC mvebu platform changes from Olof Johansson:
"This series contains changes for the Marvell EBU platforms (mvebu,
orion, kirkwood, dove) that were not part of the first set of pull
requests because of dependencies on the MMC tree, and being submitted
a little late.
Notable changes are:
- More devices get moved out of board files into device tree
descriptions. The remaining devices listed in there have patches
that will get sent for 3.10, after which we can remove a lot of the
board files entirely. We are doing the pinctrl and mmc drivers
here, ethernet and PCI still remain.
- SMP support for mvebu is improved with support for the local
interrupt controller.
- The Guruplug board file gets replaced with a DT description.
Unfortunately, the dependency on the MMC tree turned out to be a much
larger problem than expected, when the MMC maintainer rebased the
patches in his tree that all of the patches in this branch are based
on, which caused merge conflicts between the new and old versions of
those patches.
To work around the merge conflicts, this branch rebases all patches on
top of the respective MMC patches that did get merged into 3.9. The
patches are all identical to the versions that were part of
linux-next, but have a new commit date."
* tag 'late-mvebu-rebased' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (90 commits)
arm: mvebu: enable the SD card slot on Armada 370 Reference Design board
ARM: kirkwood: topkick: init mvsdio via DT
ARM: kirkwood: nsa310: convert to pinctrl
ARM: Kirkwood: topkick: Enable i2c bus.
ARM: kirkwood: topkick: convert to pinctrl
ARM: dove: convert serial DT nodes to clocks property
arm: mvebu: Add SPI flash on Armada 370 DB board
arm: mvebu: Add SPI flash on Armada XP-DB board
arm: mvebu: Add SPI flash on Armada XP-GP board
arm: mvebu: Add support for SPI controller in Armada 370/XP
clocksource: update and move armada-370-xp-timer documentation to timer directory
arm: mvebu: update DT to support local timers
ARM: Dove: convert usb host controller to DT
arm: mvebu: Enable USB controllers on Armada 370/XP boards
arm: mvebu: Add support for USB host controllers in Armada 370/XP
arm: mvebu: add button for OpenBlocks AX3-4
ARM: Kirkwood: Convert NS2 to gpio-poweroff.
ARM: Kirkwood: Convert NSA310 I2C to device tree
ARM: Kirkwood: Convert NSA310 to use gpio-poweroff driver
ARM: Kirkwood: Convert NSA310 to DT based regulators.
...
This branch contains of devicetree changes for the Freescale i.MX platform.
The base patch of the branch changes the format of the dts files to a
slightly different format that makes it easier to do derivative board
definitions, but it also introduces a lot of churn in the process since
every line of the file is touched.
On top of that are a handful of the regular changes; enabling more boards
as DT-based instead of legacy board files (mx25pdk), enabling another
driver for devicetree and thus adding bindings (onewire), etc.
I'm not happy about the churn, and will likely not take it for other platforms
in the future.
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Merge tag 'late-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC i.MX DT changes from Olof Johansson:
"This branch contains of devicetree changes for the Freescale i.MX
platform.
The base patch of the branch changes the format of the dts files to a
slightly different format that makes it easier to do derivative board
definitions, but it also introduces a lot of churn in the process
since every line of the file is touched.
On top of that are a handful of the regular changes; enabling more
boards as DT-based instead of legacy board files (mx25pdk), enabling
another driver for devicetree and thus adding bindings (onewire), etc.
I'm not happy about the churn, and will likely not take it for other
platforms in the future."
* tag 'late-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (21 commits)
ARM: dts: add dtsi for imx6q and imx6dl
ARM: dts: rename imx6q.dtsi to imx6qdl.dtsi
ARM: dts: i.MX6: Add regulator delay support
ARM: dts: Add device tree entry for onewire master on i.MX53
ARM: i.MX53: Add clocks for i.mx53 onewire master.
W1: Add device tree support to MXC onewire master.
ARM: imx: enable imx6q-cpufreq support
ARM: dts: Add apf51 basic support
ARM i.MX6: change mxs usbphy clock usage
ARM: dts: imx6q: Remove silicon version from SDMA firmware
ARM i.MX53: dts: add oftree for MBa53 baseboard
ARM i.MX53: add dts for the TQ tqma53 module
ARM: dts: imx53: pinctrl update
ARM i.MX51 babbage: Add keypad support
ARM: dts: imx: Add imx51 KPP entry
ARM: dts: imx25-karo-tx25: Put status entry in the end
ARM: mx25pdk: Add device tree support
ARM: dts: imx: use nodes label in board dts
ARM: dts: add missing imx dtb targets
ARM: boot: dts: Add an entry for imx27-pdk.dtb
...
Pull thermal management updates from Zhang Rui:
"Highlights:
- introduction of Dove thermal sensor driver.
- introduction of Kirkwood thermal sensor driver.
- introduction of intel_powerclamp thermal cooling device driver.
- add interrupt and DT support for rcar thermal driver.
- add thermal emulation support which allows platform thermal driver
to do software/hardware emulation for thermal issues."
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (36 commits)
thermal: rcar: remove __devinitconst
thermal: return an error on failure to register thermal class
Thermal: rename thermal governor Kconfig option to avoid generic naming
thermal: exynos: Use the new thermal trend type for quick cooling action.
Thermal: exynos: Add support for temperature falling interrupt.
Thermal: Dove: Add Themal sensor support for Dove.
thermal: Add support for the thermal sensor on Kirkwood SoCs
thermal: rcar: add Device Tree support
thermal: rcar: remove machine_power_off() from rcar_thermal_notify()
thermal: rcar: add interrupt support
thermal: rcar: add read/write functions for common/priv data
thermal: rcar: multi channel support
thermal: rcar: use mutex lock instead of spin lock
thermal: rcar: enable CPCTL to use hardware TSC deciding
thermal: rcar: use parenthesis on macro
Thermal: fix a build warning when CONFIG_THERMAL_EMULATION cleared
Thermal: fix a wrong comment
thermal: sysfs: Add a new sysfs node emul_temp for thermal emulation
PM: intel_powerclamp: off by one in start_power_clamp()
thermal: exynos: Miscellaneous fixes to support falling threshold interrupt
...
Pull block IO core bits from Jens Axboe:
"Below are the core block IO bits for 3.9. It was delayed a few days
since my workstation kept crashing every 2-8h after pulling it into
current -git, but turns out it is a bug in the new pstate code (divide
by zero, will report separately). In any case, it contains:
- The big cfq/blkcg update from Tejun and and Vivek.
- Additional block and writeback tracepoints from Tejun.
- Improvement of the should sort (based on queues) logic in the plug
flushing.
- _io() variants of the wait_for_completion() interface, using
io_schedule() instead of schedule() to contribute to io wait
properly.
- Various little fixes.
You'll get two trivial merge conflicts, which should be easy enough to
fix up"
Fix up the trivial conflicts due to hlist traversal cleanups (commit
b67bfe0d42ca: "hlist: drop the node parameter from iterators").
* 'for-3.9/core' of git://git.kernel.dk/linux-block: (39 commits)
block: remove redundant check to bd_openers()
block: use i_size_write() in bd_set_size()
cfq: fix lock imbalance with failed allocations
drivers/block/swim3.c: fix null pointer dereference
block: don't select PERCPU_RWSEM
block: account iowait time when waiting for completion of IO request
sched: add wait_for_completion_io[_timeout]
writeback: add more tracepoints
block: add block_{touch|dirty}_buffer tracepoint
buffer: make touch_buffer() an exported function
block: add @req to bio_{front|back}_merge tracepoints
block: add missing block_bio_complete() tracepoint
block: Remove should_sort judgement when flush blk_plug
block,elevator: use new hashtable implementation
cfq-iosched: add hierarchical cfq_group statistics
cfq-iosched: collect stats from dead cfqgs
cfq-iosched: separate out cfqg_stats_reset() from cfq_pd_reset_stats()
blkcg: make blkcg_print_blkgs() grab q locks instead of blkcg lock
block: RCU free request_queue
blkcg: implement blkg_[rw]stat_recursive_sum() and blkg_[rw]stat_merge()
...
Timer driver for Armada 370 and Armada XP have gained local timers
support. So it needs new resources information regarding the IRQs
and the registers.
Also move the documentation in the new and more accurate directory
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Merge third patch-bumb from Andrew Morton:
"This wraps me up for -rc1.
- Lots of misc stuff and things which were deferred/missed from
patchbombings 1 & 2.
- ocfs2 things
- lib/scatterlist
- hfsplus
- fatfs
- documentation
- signals
- procfs
- lockdep
- coredump
- seqfile core
- kexec
- Tejun's large IDR tree reworkings
- ipmi
- partitions
- nbd
- random() things
- kfifo
- tools/testing/selftests updates
- Sasha's large and pointless hlist cleanup"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (163 commits)
hlist: drop the node parameter from iterators
kcmp: make it depend on CHECKPOINT_RESTORE
selftests: add a simple doc
tools/testing/selftests/Makefile: rearrange targets
selftests/efivarfs: add create-read test
selftests/efivarfs: add empty file creation test
selftests: add tests for efivarfs
kfifo: fix kfifo_alloc() and kfifo_init()
kfifo: move kfifo.c from kernel/ to lib/
arch Kconfig: centralise CONFIG_ARCH_NO_VIRT_TO_BUS
w1: add support for DS2413 Dual Channel Addressable Switch
memstick: move the dereference below the NULL test
drivers/pps/clients/pps-gpio.c: use devm_kzalloc
Documentation/DMA-API-HOWTO.txt: fix typo
include/linux/eventfd.h: fix incorrect filename is a comment
mtd: mtd_stresstest: use prandom_bytes()
mtd: mtd_subpagetest: convert to use prandom library
mtd: mtd_speedtest: use prandom_bytes
mtd: mtd_pagetest: convert to use prandom library
mtd: mtd_oobtest: convert to use prandom library
...
The original device tree binding for this driver, from Viresh Kumar
unfortunately conflicted with the generic DMA binding, and did not allow
to completely seperate slave device configuration from the controller.
This is an attempt to replace it with an implementation of the generic
binding, but it is currently completely untested, because I do not have
any hardware with this particular controller.
The patch applies on top of the slave-dma tree, which contains both the base
support for the generic DMA binding, as well as the earlier attempt from
Viresh. Both of these are currently not merged upstream however.
This version incorporates feedback from Viresh Kumar, Andy Shevchenko
and Russell King.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Vinod Koul <vinod.koul@linux.intel.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Documentation/blockdev/nbd.txt contained some documentation which was
horribly outdated and probably still dates from the original patch that
added NBD support to the kernel.
This patch removes the useless and outdated bits. The tools on nbd.sf.net
are fully documented in manpages, which is where documentation for the
non-kernel bits should live.
Additionally, add a reference to the MAINTAINERS file for the nbd-general
mailinglist that is used for discussion of the userland tools and the
kernel module already.
Signed-off-by: Wouter Verhelst <w@uter.be>
Cc: Paul Clements <Paul.Clements@steeleye.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add try... parameters to disable pci and platform (openfirmware) device
scanning for IPMI. Also add docs for all the try... parameters.
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull more x86 fixes from Peter Anvin:
"Additional x86 fixes. Three of these patches are pure documentation,
two are pretty trivial; the remaining one fixes boot problems on some
non-BIOS machines."
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Make sure we can boot in the case the BDA contains pure garbage
x86, efi: Mark disable_runtime as __initdata
x86, doc: Fix incorrect comment about 64-bit code segment descriptors
doc, kernel-parameters: Document 'console=hvc<n>'
doc, xen: Mention 'earlyprintk=xen' in the documentation.
ACPI: Overriding ACPI tables via initrd only works with an initrd and on X86
Pull kconfig changes from Michal Marek:
"I forgot to send a pull request in time for the v3.8-rc1 merge window,
so the list is a bit longer this time:
- menuconfig enables extended colors in ncurses if the wide-character
version is used.
- CONFIG_ prefix can be specified in the environment to make life
easier for people using kconfig multiple times in a single tree (no
functional change in the kernel kconfig usage).
- kconfig aborts on OOM.
- inputboxes in menuconfig allow to move the cursor.
- menuconfig has Save/Load buttons now.
- xconfig build fix with new g++ and Qt3.
- nconfig color scheme fix and help text update.
- make oldconfig prints newlines when output is redirected.
- some other minor fixes."
* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
kbuild: Fix missing '\n' for NEW symbols in yes "" | make oldconfig >conf.new
kconfig: nconf: rewrite labels of function keys line
kconfig: nconf: rewrite help texts
kconfig: fix a compiliation error when using make xconfig
nconf: function keys line, change background color for better readability
menuconfig: Get rid of the top-level entries for "Load an Alternate/Save an Alternate"
menuconfig: Add Save/Load buttons
kconfig:lxdialog: remove duplicate code
menuconfig:inputbox: support navigate input position
kconfig: document use of CONFIG_ environment variable
scripts/kconfig: ensure we use proper CONFIG_ prefix
merge_config.sh: Add option to specify output dir
Revert "kconfig-language: add to hints"
kconfig: Regenerate lexer
kconfig: Fix malloc handling in conf tools
kconfig: get CONFIG_ prefix from the environment
kconfig: add a function to get the CONFIG_ prefix
kconfig: remove CONFIG_ from string constants
menuconfig: fix extended colors ncurses support
Pull misc non-critical kbuild changes from Michal Marek:
- Fix for make TAGS
- Fix for make rpm
- Some new coccinelle semantic patches
* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
scripts/coccinelle: find constant additions that could be bit ors
coccicheck: Allow to show the executed command line
coccicheck: Allow the user to give a V= (verbose) argument
scripts/coccinelle/misc/memcpy-assign.cocci: Replace memcpy with struct assignment
kbuild: clear KBUILD_SRC when calling 'make' in RPM spec
scripts/coccinelle/misc/semicolon.cocci: Add unneeded semicolon test
scripts/tags.sh: Fix regex syntax for etags
All drivers which implement this need to have some sort of refcount to
allow concurrent vmap usage. Hence implement this in the dma-buf core.
To protect against concurrent calls we need a lock, which potentially
causes new funny locking inversions. But this shouldn't be a problem
for exporters with statically allocated backing storage, and more
dynamic drivers have decent issues already anyway.
Inspired by some refactoring patches from Aaron Plattner, who
implemented the same idea, but only for drm/prime drivers.
v2: Check in dma_buf_release that no dangling vmaps are left.
Suggested by Aaron Plattner. We might want to do similar checks for
attachments, but that's for another patch. Also fix up ERR_PTR return
for vmap.
v3: Check whether the passed-in vmap address matches with the cached
one for vunmap. Eventually we might want to remove that parameter -
compared to the kmap functions there's no need for the vaddr for
unmapping. Suggested by Chris Wilson.
v4: Fix a brown-paper-bag bug spotted by Aaron Plattner.
Cc: Aaron Plattner <aplattner@nvidia.com>
Reviewed-by: Aaron Plattner <aplattner@nvidia.com>
Tested-by: Aaron Plattner <aplattner@nvidia.com>
Reviewed-by: Rob Clark <rob@ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Pull vfs pile (part one) from Al Viro:
"Assorted stuff - cleaning namei.c up a bit, fixing ->d_name/->d_parent
locking violations, etc.
The most visible changes here are death of FS_REVAL_DOT (replaced with
"has ->d_weak_revalidate()") and a new helper getting from struct file
to inode. Some bits of preparation to xattr method interface changes.
Misc patches by various people sent this cycle *and* ocfs2 fixes from
several cycles ago that should've been upstream right then.
PS: the next vfs pile will be xattr stuff."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
saner proc_get_inode() calling conventions
proc: avoid extra pde_put() in proc_fill_super()
fs: change return values from -EACCES to -EPERM
fs/exec.c: make bprm_mm_init() static
ocfs2/dlm: use GFP_ATOMIC inside a spin_lock
ocfs2: fix possible use-after-free with AIO
ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path
get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero
target: writev() on single-element vector is pointless
export kernel_write(), convert open-coded instances
fs: encode_fh: return FILEID_INVALID if invalid fid_type
kill f_vfsmnt
vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op
nfsd: handle vfs_getattr errors in acl protocol
switch vfs_getattr() to struct path
default SET_PERSONALITY() in linux/elf.h
ceph: prepopulate inodes only when request is aborted
d_hash_and_lookup(): export, switch open-coded instances
9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate()
9p: split dropping the acls from v9fs_set_create_acl()
...
Pull i2c updates from Wolfram Sang:
"Highlights:
- new drivers for Intel ismt & Broadcom bcm2835
- a number of drivers got support for more variants and mostly got
cleaned up on the way (sis630, i801, at91, tegra, designware)
- i2c got rid of all *_set_drvdata(..., NULL) on remove/probe failure
- removed the i2c_smbus_process_call from the core since there are no
users
- mxs can now switch between PIO and DMA depending on the message
size and the bus speed can now be arbitrary
In addition, there is the usual bunch of fixes, cleanups, devm_*
conversions, etc"
Fixed conflict (and buggy devm_* conversion) in i2c-s3c2410.c
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (39 commits)
i2c: Remove unneeded xxx_set_drvdata(..., NULL) calls
i2c: pxa: remove incorrect __exit annotations
i2c: ocores: Fix pointer to integer cast warning
i2c: tegra: remove warning dump if timeout happen in transfer
i2c: fix i2c-ismt.c printk format warning
i2c: i801: Add Device IDs for Intel Wellsburg PCH
i2c: add bcm2835 driver
i2c: ismt: Add Seth and Myself as maintainers
i2c: sis630: checkpatch cleanup
i2c: sis630: display unsigned hex
i2c: sis630: use hex to constants for SMBus commands
i2c: sis630: fix behavior after collision
i2c: sis630: clear sticky bits
i2c: sis630: Add SIS964 support
i2c: isch: Add module parameter for backbone clock rate if divider is unset
i2c: at91: fix unsed variable warning when building with !CONFIG_OF
i2c: Adding support for Intel iSMT SMBus 2.0 host controller
i2c: sh_mobile: don't send a stop condition by default inside transfers
i2c: sh_mobile: eliminate an open-coded "goto" loop
i2c: sh_mobile: fix timeout error handling
...
A new driver has been added to support the PWM mode of the timer counter
blocks found on Atmel AT91 SoCs. The VT8500 driver now supports changing
the PWM signal polarity and the TI drivers (EHRPWM and ECAP) gained
suspend and resume functionality.
User drivers can now query the core for whether access to a PWM device
will sleep (if the PWM chip is on a slow bus such as I2C or SPI).
The pwm-backlight driver now handles the backlight BL_CORE_FBBLANK state
in addition to the FB layer's blanking states.
To round things off, a few fixes and cleanups are also included.
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Merge tag 'for-3.9-rc1' of git://gitorious.org/linux-pwm/linux-pwm
Pull PWM changes from Thierry Reding:
"A new driver has been added to support the PWM mode of the timer
counter blocks found on Atmel AT91 SoCs. The VT8500 driver now
supports changing the PWM signal polarity and the TI drivers (EHRPWM
and ECAP) gained suspend and resume functionality.
User drivers can now query the core for whether access to a PWM device
will sleep (if the PWM chip is on a slow bus such as I2C or SPI).
The pwm-backlight driver now handles the backlight BL_CORE_FBBLANK
state in addition to the FB layer's blanking states.
To round things off, a few fixes and cleanups are also included"
* tag 'for-3.9-rc1' of git://gitorious.org/linux-pwm/linux-pwm:
pwm: twl: Use to_twl() instead of container_of()
pwm: tegra: assume CONFIG_OF
pwm_backlight: Validate dft_brightness in main probe function
pwm: Export pwm_{set,get}_chip_data()
pwm: Make Kconfig entries more consistent
pwm: Add can_sleep property to drivers
pwm: Add pwm_can_sleep() as exported API to users
pwm-backlight: handle BL_CORE_FBBLANK state
pwm: pwm-tiecap: Low power sleep support
pwm: pwm-tiehrpwm: Low power sleep support
pwm: pwm-tiehrpwm: Update the clock handling of pwm-tiehrpwm driver
pwm: vt8500: Add polarity support
pwm: vt8500: Register write busy test performed incorrectly
pwm: atmel: add Timer Counter Block PWM driver
Core:
- Support for packed commands in eMMC 4.5. (This requires a host
capability to be turned on. It increases write throughput by 20%+,
but may also increase average write latency; more testing needed.)
- Add DT bindings for capability flags.
- Add mmc_of_parse() for shared DT parsing between drivers.
Drivers:
- android-goldfish: New MMC driver for the Android Goldfish emulator.
- mvsdio: Add DT bindings, pinctrl, use slot-gpio for card detection.
- omap_hsmmc: Fix boot hangs with RPMB partitions.
- sdhci-bcm2835: New driver for controller used by Raspberry Pi.
- sdhci-esdhc-imx: Add 8-bit data, auto CMD23 support, use slot-gpio.
- sh_mmcif: Add support for eMMC DDR, bundled MMCIF IRQs.
- tmio_mmc: Add DT bindings, support for vccq regulator.
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Merge tag 'mmc-updates-for-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC update from Chris Ball:
"MMC highlights for 3.9:
Core:
- Support for packed commands in eMMC 4.5. (This requires a host
capability to be turned on. It increases write throughput by 20%+,
but may also increase average write latency; more testing needed.)
- Add DT bindings for capability flags.
- Add mmc_of_parse() for shared DT parsing between drivers.
Drivers:
- android-goldfish: New MMC driver for the Android Goldfish emulator.
- mvsdio: Add DT bindings, pinctrl, use slot-gpio for card detection.
- omap_hsmmc: Fix boot hangs with RPMB partitions.
- sdhci-bcm2835: New driver for controller used by Raspberry Pi.
- sdhci-esdhc-imx: Add 8-bit data, auto CMD23 support, use slot-gpio.
- sh_mmcif: Add support for eMMC DDR, bundled MMCIF IRQs.
- tmio_mmc: Add DT bindings, support for vccq regulator"
* tag 'mmc-updates-for-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (92 commits)
mmc: tegra: assume CONFIG_OF, remove platform data
mmc: add DT bindings for more MMC capability flags
mmc: tmio: add support for the VccQ regulator
mmc: tmio: remove unused and deprecated symbols
mmc: sh_mobile_sdhi: use managed resource allocations
mmc: sh_mobile_sdhi: remove unused .pdata field
mmc: tmio-mmc: parse device-tree bindings
mmc: tmio-mmc: define device-tree bindings
mmc: sh_mmcif: use mmc_of_parse() to parse standard MMC DT bindings
mmc: (cosmetic) remove "extern" from function declarations
mmc: provide a standard MMC device-tree binding parser centrally
mmc: detailed definition of CD and WP MMC line polarities in DT
mmc: sdhi, tmio: only check flags in tmio-mmc driver proper
mmc: sdhci: Fix parameter of sdhci_do_start_signal_voltage_switch()
mmc: sdhci: check voltage range only on regulators aware of voltage value
mmc: bcm2835: set SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK
mmc: support packed write command for eMMC4.5 devices
mmc: add packed command feature of eMMC4.5
mmc: rtsx: remove driving adjustment
mmc: use regulator_can_change_voltage() instead of regulator_count_voltages
...
Pull LED subsystem update from Bryan Wu.
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (61 commits)
leds: leds-sunfire: use dev_err()/pr_err() instead of printk()
leds: 88pm860x: Add missing of_node_put()
leds: tca6507: Use of_get_child_count()
leds: leds-pwm: make it depend on PWM and not HAVE_PWM
Documentation: leds: update LP55xx family devices
leds-lp55xx: fix problem on removing LED attributes
leds-lp5521/5523: add author and copyright description
leds-lp5521/5523: use new lp55xx common header
leds-lp55xx: clean up headers
leds-lp55xx: clean up definitions
leds-lp55xx: clean up unused data and functions
leds-lp55xx: clean up _remove()
leds-lp55xx: add new function for removing device attribtues
leds-lp55xx: code refactoring on selftest function
leds-lp55xx: use common device attribute driver function
leds-lp55xx: support device specific attributes
leds-lp5523: use generic firmware interface
leds-lp5521: use generic firmware interface
leds-lp55xx: support firmware interface
leds-lp55xx: add new lp55xx_register_sysfs() for the firmware interface
...
Pull slave-dmaengine updates from Vinod Koul:
"This is fairly big pull by my standards as I had missed last merge
window. So we have the support for device tree for slave-dmaengine,
large updates to dw_dmac driver from Andy for reusing on different
architectures. Along with this we have fixes on bunch of the drivers"
Fix up trivial conflicts, usually due to #include line movement next to
each other.
* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (111 commits)
Revert "ARM: SPEAr13xx: Pass DW DMAC platform data from DT"
ARM: dts: pl330: Add #dma-cells for generic dma binding support
DMA: PL330: Register the DMA controller with the generic DMA helpers
DMA: PL330: Add xlate function
DMA: PL330: Add new pl330 filter for DT case.
dma: tegra20-apb-dma: remove unnecessary assignment
edma: do not waste memory for dma_mask
dma: coh901318: set residue only if dma is in progress
dma: coh901318: avoid unbalanced locking
dmaengine.h: remove redundant else keyword
dma: of-dma: protect list write operation by spin_lock
dmaengine: ste_dma40: do not remove descriptors for cyclic transfers
dma: of-dma.c: fix memory leakage
dw_dmac: apply default dma_mask if needed
dmaengine: ioat - fix spare sparse complain
dmaengine: move drivers/of/dma.c -> drivers/dma/of-dma.c
ioatdma: fix race between updating ioat->head and IOAT_COMPLETION_PENDING
dw_dmac: add support for Lynxpoint DMA controllers
dw_dmac: return proper residue value
dw_dmac: fill individual length of descriptor
...
The following set of operations on a NFS client and server will cause
server# mkdir a
client# cd a
server# mv a a.bak
client# sleep 30 # (or whatever the dir attrcache timeout is)
client# stat .
stat: cannot stat `.': Stale NFS file handle
Obviously, we should not be getting an ESTALE error back there since the
inode still exists on the server. The problem is that the lookup code
will call d_revalidate on the dentry that "." refers to, because NFS has
FS_REVAL_DOT set.
nfs_lookup_revalidate will see that the parent directory has changed and
will try to reverify the dentry by redoing a LOOKUP. That of course
fails, so the lookup code returns ESTALE.
The problem here is that d_revalidate is really a bad fit for this case.
What we really want to know at this point is whether the inode is still
good or not, but we don't really care what name it goes by or whether
the dcache is still valid.
Add a new d_op->d_weak_revalidate operation and have complete_walk call
that instead of d_revalidate. The intent there is to allow for a
"weaker" d_revalidate that just checks to see whether the inode is still
good. This is also gives us an opportunity to kill off the FS_REVAL_DOT
special casing.
[AV: changed method name, added note in porting, fixed confusion re
having it possibly called from RCU mode (it won't be)]
Cc: NeilBrown <neilb@suse.de>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Host bridge hotplug
- Major overhaul of ACPI host bridge add/start (Rafael Wysocki, Yinghai Lu)
- Major overhaul of PCI/ACPI binding (Rafael Wysocki, Yinghai Lu)
- Split out ACPI host bridge and ACPI PCI device hotplug (Yinghai Lu)
- Stop caching _PRT and make independent of bus numbers (Yinghai Lu)
PCI device hotplug
- Clean up cpqphp dead code (Sasha Levin)
- Disable ARI unless device and upstream bridge support it (Yijing Wang)
- Initialize all hot-added devices (not functions 0-7) (Yijing Wang)
Power management
- Don't touch ASPM if disabled (Joe Lawrence)
- Fix ASPM link state management (Myron Stowe)
Miscellaneous
- Fix PCI_EXP_FLAGS accessor (Alex Williamson)
- Disable Bus Master in pci_device_shutdown (Konstantin Khlebnikov)
- Document hotplug resource and MPS parameters (Yijing Wang)
- Add accessor for PCIe capabilities (Myron Stowe)
- Drop pciehp suspend/resume messages (Paul Bolle)
- Make pci_slot built-in only (not a module) (Jiang Liu)
- Remove unused PCI/ACPI bind ops (Jiang Liu)
- Removed used pci_root_bus (Bjorn Helgaas)
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Merge tag 'pci-v3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI changes from Bjorn Helgaas:
"Host bridge hotplug
- Major overhaul of ACPI host bridge add/start (Rafael Wysocki, Yinghai Lu)
- Major overhaul of PCI/ACPI binding (Rafael Wysocki, Yinghai Lu)
- Split out ACPI host bridge and ACPI PCI device hotplug (Yinghai Lu)
- Stop caching _PRT and make independent of bus numbers (Yinghai Lu)
PCI device hotplug
- Clean up cpqphp dead code (Sasha Levin)
- Disable ARI unless device and upstream bridge support it (Yijing Wang)
- Initialize all hot-added devices (not functions 0-7) (Yijing Wang)
Power management
- Don't touch ASPM if disabled (Joe Lawrence)
- Fix ASPM link state management (Myron Stowe)
Miscellaneous
- Fix PCI_EXP_FLAGS accessor (Alex Williamson)
- Disable Bus Master in pci_device_shutdown (Konstantin Khlebnikov)
- Document hotplug resource and MPS parameters (Yijing Wang)
- Add accessor for PCIe capabilities (Myron Stowe)
- Drop pciehp suspend/resume messages (Paul Bolle)
- Make pci_slot built-in only (not a module) (Jiang Liu)
- Remove unused PCI/ACPI bind ops (Jiang Liu)
- Removed used pci_root_bus (Bjorn Helgaas)"
* tag 'pci-v3.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (51 commits)
PCI/ACPI: Don't cache _PRT, and don't associate them with bus numbers
PCI: Fix PCI Express Capability accessors for PCI_EXP_FLAGS
ACPI / PCI: Make pci_slot built-in only, not a module
PCI/PM: Clear state_saved during suspend
PCI: Use atomic_inc_return() rather than atomic_add_return()
PCI: Catch attempts to disable already-disabled devices
PCI: Disable Bus Master unconditionally in pci_device_shutdown()
PCI: acpiphp: Remove dead code for PCI host bridge hotplug
PCI: acpiphp: Create companion ACPI devices before creating PCI devices
PCI: Remove unused "rc" in virtfn_add_bus()
PCI: pciehp: Drop suspend/resume ENTRY messages
PCI/ASPM: Don't touch ASPM if forcibly disabled
PCI/ASPM: Deallocate upstream link state even if device is not PCIe
PCI: Document MPS parameters pci=pcie_bus_safe, pci=pcie_bus_perf, etc
PCI: Document hpiosize= and hpmemsize= resource reservation parameters
PCI: Use PCI Express Capability accessor
PCI: Introduce accessor to retrieve PCIe Capabilities Register
PCI: Put pci_dev in device tree as early as possible
PCI: Skip attaching driver in device_add()
PCI: acpiphp: Keep driver loaded even if no slots found
...
DM RAID: Add support for MD's RAID10 "far" and "offset" algorithms
Until now, dm-raid.c only supported the "near" algorthm of MD's RAID10
implementation. This patch adds support for the "far" and "offset"
algorithms, but only with the improved redundancy that is brought with
the introduction of the 'use_far_sets' bit, which shifts copied stripes
according to smaller sets vs the entire array. That is, the 17th bit
of the 'layout' variable that defines the RAID10 implementation will
always be set. (More information on how the 'layout' variable selects
the RAID10 algorithm can be found in the opening comments of
drivers/md/raid10.c.)
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Pull drm merge from Dave Airlie:
"Highlights:
- TI LCD controller KMS driver
- TI OMAP KMS driver merged from staging
- drop gma500 stub driver
- the fbcon locking fixes
- the vgacon dirty like zebra fix.
- open firmware videomode and hdmi common code helpers
- major locking rework for kms object handling - pageflip/cursor
won't block on polling anymore!
- fbcon helper and prime helper cleanups
- i915: all over the map, haswell power well enhancements, valleyview
macro horrors cleaned up, killing lots of legacy GTT code,
- radeon: CS ioctl unification, deprecated UMS support, gpu reset
rework, VM fixes
- nouveau: reworked thermal code, external dp/tmds encoder support
(anx9805), fences sleep instead of polling,
- exynos: all over the driver fixes."
Lovely conflict in radeon/evergreen_cs.c between commit de0babd60d
("drm/radeon: enforce use of radeon_get_ib_value when reading user cmd")
and the new changes that modified that evergreen_dma_cs_parse()
function.
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (508 commits)
drm/tilcdc: only build on arm
drm/i915: Revert hdmi HDP pin checks
drm/tegra: Add list of framebuffers to debugfs
drm/tegra: Fix color expansion
drm/tegra: Split DC_CMD_STATE_CONTROL register write
drm/tegra: Implement page-flipping support
drm/tegra: Implement VBLANK support
drm/tegra: Implement .mode_set_base()
drm/tegra: Add plane support
drm/tegra: Remove bogus tegra_framebuffer structure
drm: Add consistency check for page-flipping
drm/radeon: Use generic HDMI infoframe helpers
drm/tegra: Use generic HDMI infoframe helpers
drm: Add EDID helper documentation
drm: Add HDMI infoframe helpers
video: Add generic HDMI infoframe helpers
drm: Add some missing forward declarations
drm: Move mode tables to drm_edid.c
drm: Remove duplicate drm_mode_cea_vic()
gma500: Fix n, m1 and m2 clock limits for sdvo and lvds
...
Pull user namespace and namespace infrastructure changes from Eric W Biederman:
"This set of changes starts with a few small enhnacements to the user
namespace. reboot support, allowing more arbitrary mappings, and
support for mounting devpts, ramfs, tmpfs, and mqueuefs as just the
user namespace root.
I do my best to document that if you care about limiting your
unprivileged users that when you have the user namespace support
enabled you will need to enable memory control groups.
There is a minor bug fix to prevent overflowing the stack if someone
creates way too many user namespaces.
The bulk of the changes are a continuation of the kuid/kgid push down
work through the filesystems. These changes make using uids and gids
typesafe which ensures that these filesystems are safe to use when
multiple user namespaces are in use. The filesystems converted for
3.9 are ceph, 9p, afs, ocfs2, gfs2, ncpfs, nfs, nfsd, and cifs. The
changes for these filesystems were a little more involved so I split
the changes into smaller hopefully obviously correct changes.
XFS is the only filesystem that remains. I was hoping I could get
that in this release so that user namespace support would be enabled
with an allyesconfig or an allmodconfig but it looks like the xfs
changes need another couple of days before it they are ready."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: (93 commits)
cifs: Enable building with user namespaces enabled.
cifs: Convert struct cifs_ses to use a kuid_t and a kgid_t
cifs: Convert struct cifs_sb_info to use kuids and kgids
cifs: Modify struct smb_vol to use kuids and kgids
cifs: Convert struct cifsFileInfo to use a kuid
cifs: Convert struct cifs_fattr to use kuid and kgids
cifs: Convert struct tcon_link to use a kuid.
cifs: Modify struct cifs_unix_set_info_args to hold a kuid_t and a kgid_t
cifs: Convert from a kuid before printing current_fsuid
cifs: Use kuids and kgids SID to uid/gid mapping
cifs: Pass GLOBAL_ROOT_UID and GLOBAL_ROOT_GID to keyring_alloc
cifs: Use BUILD_BUG_ON to validate uids and gids are the same size
cifs: Override unmappable incoming uids and gids
nfsd: Enable building with user namespaces enabled.
nfsd: Properly compare and initialize kuids and kgids
nfsd: Store ex_anon_uid and ex_anon_gid as kuids and kgids
nfsd: Modify nfsd4_cb_sec to use kuids and kgids
nfsd: Handle kuids and kgids in the nfs4acl to posix_acl conversion
nfsd: Convert nfsxdr to use kuids and kgids
nfsd: Convert nfs3xdr to use kuids and kgids
...
Pull crypto update from Herbert Xu:
"Here is the crypto update for 3.9:
- Added accelerated implementation of crc32 using pclmulqdq.
- Added test vector for fcrypt.
- Added support for OMAP4/AM33XX cipher and hash.
- Fixed loose crypto_user input checks.
- Misc fixes"
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (43 commits)
crypto: user - ensure user supplied strings are nul-terminated
crypto: user - fix empty string test in report API
crypto: user - fix info leaks in report API
crypto: caam - Added property fsl,sec-era in SEC4.0 device tree binding.
crypto: use ERR_CAST
crypto: atmel-aes - adjust duplicate test
crypto: crc32-pclmul - Kill warning on x86-32
crypto: x86/twofish - assembler clean-ups: use ENTRY/ENDPROC, localize jump labels
crypto: x86/sha1 - assembler clean-ups: use ENTRY/ENDPROC
crypto: x86/serpent - use ENTRY/ENDPROC for assember functions and localize jump targets
crypto: x86/salsa20 - assembler cleanup, use ENTRY/ENDPROC for assember functions and rename ECRYPT_* to salsa20_*
crypto: x86/ghash - assembler clean-up: use ENDPROC at end of assember functions
crypto: x86/crc32c - assembler clean-up: use ENTRY/ENDPROC
crypto: cast6-avx: use ENTRY()/ENDPROC() for assembler functions
crypto: cast5-avx: use ENTRY()/ENDPROC() for assembler functions and localize jump targets
crypto: camellia-x86_64/aes-ni: use ENTRY()/ENDPROC() for assembler functions and localize jump targets
crypto: blowfish-x86_64: use ENTRY()/ENDPROC() for assembler functions and localize jump targets
crypto: aesni-intel - add ENDPROC statements for assembler functions
crypto: x86/aes - assembler clean-ups: use ENTRY/ENDPROC, localize jump targets
crypto: testmgr - add test vector for fcrypt
...
Both the PowerPC hypervisor and Xen hypervisor can utilize the
hvc driver.
Cc: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Link: http://lkml.kernel.org/r/1361825650-14031-3-git-send-email-konrad.wilk@oracle.com
Cc: <stable@vger.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
The earlyprintk for Xen PV guests utilizes a simple hypercall
(console_io) to provide output to Xen emergency console.
Note that the Xen hypervisor should be booted with 'loglevel=all'
to output said information.
Reported-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Link: http://lkml.kernel.org/r/1361825650-14031-2-git-send-email-konrad.wilk@oracle.com
Cc: <stable@vger.kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
No new drivers this time, but a bunch of fairly big cleanups:
- Roger Quadros worked on a OMAP USBHS and TLL platform data consolidation,
OMAP5 support and clock management code cleanup.
- The first step of a major sync for the ab8500 driver from Lee Jones. In
particular, the debugfs and the sysct interfaces got extended and improved.
- Peter Ujfalusi sent a nice patchset for cleaning and fixing the twl-core
driver, with a much needed module id lookup code improvement.
- The regular wm5102 and arizona cleanups and fixes from Mark Brown.
- Laxman Dewangan extended the palmas APIs in order to implement the palmas
GPIO and rt drivers.
- Laxman also added DT support for the tps65090 driver.
- The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra and
Darren Hart.
- Linus Walleij patchset for the ab8500 driver allowed ab8500 and ab9540 based
devices to switch to the new abx500 pin-ctrl driver.
- The max8925 now has device tree and irqdomain support thanks to Qing Xu.
- The recently added rtsx driver got a few cleanups and fixes for a better
card detection code path and now also supports the RTS5227 chipset, thanks
to Wei Wang and Roger Tseng.
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Merge tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFS updates from Samuel Ortiz:
"This is the MFD pull request for the 3.9 merge window.
No new drivers this time, but a bunch of fairly big cleanups:
- Roger Quadros worked on a OMAP USBHS and TLL platform data
consolidation, OMAP5 support and clock management code cleanup.
- The first step of a major sync for the ab8500 driver from Lee
Jones. In particular, the debugfs and the sysct interfaces got
extended and improved.
- Peter Ujfalusi sent a nice patchset for cleaning and fixing the
twl-core driver, with a much needed module id lookup code
improvement.
- The regular wm5102 and arizona cleanups and fixes from Mark Brown.
- Laxman Dewangan extended the palmas APIs in order to implement the
palmas GPIO and rt drivers.
- Laxman also added DT support for the tps65090 driver.
- The Intel SCH and ICH drivers got a couple fixes from Aaron Sierra
and Darren Hart.
- Linus Walleij patchset for the ab8500 driver allowed ab8500 and
ab9540 based devices to switch to the new abx500 pin-ctrl driver.
- The max8925 now has device tree and irqdomain support thanks to
Qing Xu.
- The recently added rtsx driver got a few cleanups and fixes for a
better card detection code path and now also supports the RTS5227
chipset, thanks to Wei Wang and Roger Tseng."
* tag 'mfd-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (109 commits)
mfd: lpc_ich: Use devres API to allocate private data
mfd: lpc_ich: Add Device IDs for Intel Wellsburg PCH
mfd: lpc_sch: Accomodate partial population of the MFD devices
mfd: da9052-i2c: Staticize da9052_i2c_fix()
mfd: syscon: Fix sparse warning
mfd: twl-core: Fix kernel panic on boot
mfd: rtsx: Fix issue that booting OS with SD card inserted
mfd: ab8500: Fix compile error
mfd: Add missing GENERIC_HARDIRQS dependecies
Documentation: Add docs for max8925 dt
mfd: max8925: Add dts
mfd: max8925: Support dt for backlight
mfd: max8925: Fix onkey driver irq base
mfd: max8925: Fix mfd device register failure
mfd: max8925: Add irqdomain for dt
mfd: vexpress: Allow vexpress-sysreg to self-initialise
mfd: rtsx: Support RTS5227
mfd: rtsx: Implement driving adjustment to device-dependent callbacks
mfd: vexpress: Add pseudo-GPIO based LEDs
mfd: ab8500: Rename ab8500 to abx500 for hwmon driver
...
Add the necessary code to create the needed platformdata from devicetree
informations.
The interrupt mode of the chip is not set via devicetree, as it is not
a property of the hardware but instead only a preferred type of operation.
This should probably be made settable via configfs in the future.
The option set as default is the mode the datasheet mentions as default.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Pull media updates from Mauro Carvalho Chehab:
- Some cleanups at V4L2 documentation
- new drivers: ts2020 frontend, ov9650 sensor, s5c73m3 sensor,
sh-mobile veu mem2mem driver, radio-ma901, davinci_vpfe staging
driver
- Lots of missing MAINTAINERS entries added
- several em28xx driver improvements, including its conversion to
videobuf2
- several fixups on drivers to make them to better comply with the API
- DVB core: add support for DVBv5 stats, allowing the implementation of
statistics for new standards like ISDB
- mb86a20s: add statistics to the driver
- lots of new board additions, cleanups, and driver improvements.
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (596 commits)
[media] media: Add 0x3009 USB PID to ttusb2 driver (fixed diff)
[media] rtl28xxu: Add USB IDs for Compro VideoMate U620F
[media] em28xx: add usb id for terratec h5 rev. 3
[media] media: rc: gpio-ir-recv: add support for device tree parsing
[media] mceusb: move check earlier to make smatch happy
[media] radio-si470x doc: add info about v4l2-ctl and sox+alsa
[media] staging: media: Remove unnecessary OOM messages
[media] sh_vou: Use vou_dev instead of vou_file wherever possible
[media] sh_vou: Use video_drvdata()
[media] drivers/media/platform/soc_camera/pxa_camera.c: use devm_ functions
[media] mt9t112: mt9t111 format set up differs from mt9t112
[media] sh-mobile-ceu-camera: fix SHARPNESS control default
Revert "[media] fc0011: Return early, if the frequency is already tuned"
[media] cx18/ivtv: fix regression: remove __init from a non-init function
[media] em28xx: fix analog streaming with USB bulk transfers
[media] stv0900: remove unnecessary null pointer check
[media] fc0011: Return early, if the frequency is already tuned
[media] fc0011: Add some sanity checks and cleanups
[media] fc0011: Fix xin value clamping
Revert "[media] [PATH,1/2] mxl5007 move reset to attach"
...
Add ABI documentation for all sysfs files exposed by msi-laptop driver.
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Many MMC capability flags are platform-dependent and are traditionally set
in platform data. With DT often each such capability requires a special
binding. Add bindings for MMC_CAP_SD_HIGHSPEED, MMC_CAP_MMC_HIGHSPEED,
MMC_CAP_POWER_OFF_CARD and MMC_CAP_SDIO_IRQ capabilities. Also add code to
DT parser to look up "keep-power-in-suspend" and "enable-sdio-wakeup"
bindings and set MMC_PM_KEEP_POWER and MMC_PM_WAKE_SDIO_IRQ respectively,
if found.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Define device-tree bindings for the tmio-mmc driver to be able to specify
parameters, currently provided in platform data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Clarify ways to specify write-protect and card-detect MMC lines in FDT.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
None of mmc drivers implements bus-width as a required device tree
property. Instead, some drivers like atmel-mci, dw_mmc, sdhci-s3c
implement it as an optional one, and will force bus width to be 1
when the property is absent. Let's change the common binding to
reflect what the drivers are usually doing.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
The file Documentation/devicetree/bindings/mmc/mmc.txt is common for all
MMC host drivers. Use a generic MMC host reference instead of an SDHCI
left-over.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
The "disable-wp" property is used to specify that a given SD card slot
doesn't have a concept of write protect. This eliminates the need for
special case code for SD slots that should never be write protected
(like a micro SD slot or a dev board).
The dw_mmc driver is special in needing to specify "disable-wp"
because the lack of a "wp-gpios" property means to use the special
purpose write protect line. On some other mmc devices the lack of
"wp-gpios" means that write protect should be disabled.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Chris Ball <cjb@laptop.org>
Updated documentation for the new ALPS touchpad support submitted in two
patchsets by Kevin Cernekee. My understanding is the most recent
patchset '"Dolphin V2" touchpad support' may still need some work but
Future work on the ALPS driver should not impact these documentation changes.
See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/606238
Signed-off-by: David Turvene <dturvene@dahetral.com>
Acked-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Thierry writes:
"Remove a duplicate implementation of the CEA VIC lookup and move the CEA
and other mode tables to drm_edid.c to make it more difficult to create
duplicates of the tables.
Add some helpers to pack CEA-861/HDMI AVI, audio and SPD infoframes into
binary buffers that can easily be written into hardware registers. A new
helper function makes it easy construct an AVI infoframe from a DRM
display mode.
Convert the Tegra and Radeon drivers to use the new HDMI helpers."
* 'drm/hdmi-for-3.9' of git://anongit.freedesktop.org/tegra/linux:
drm/radeon: Use generic HDMI infoframe helpers
drm/tegra: Use generic HDMI infoframe helpers
drm: Add EDID helper documentation
drm: Add HDMI infoframe helpers
video: Add generic HDMI infoframe helpers
drm: Add some missing forward declarations
drm: Move mode tables to drm_edid.c
drm: Remove duplicate drm_mode_cea_vic()
Merge second patch-bomb from Andrew Morton:
- A little DM fix
- the MM queue
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (154 commits)
ksm: allocate roots when needed
mm: cleanup "swapcache" in do_swap_page
mm,ksm: swapoff might need to copy
mm,ksm: FOLL_MIGRATION do migration_entry_wait
ksm: shrink 32-bit rmap_item back to 32 bytes
ksm: treat unstable nid like in stable tree
ksm: add some comments
tmpfs: fix mempolicy object leaks
tmpfs: fix use-after-free of mempolicy object
mm/fadvise.c: drain all pagevecs if POSIX_FADV_DONTNEED fails to discard all pages
mm: export mmu notifier invalidates
mm: accelerate mm_populate() treatment of THP pages
mm: use long type for page counts in mm_populate() and get_user_pages()
mm: accurately document nr_free_*_pages functions with code comments
HWPOISON: change order of error_states[]'s elements
HWPOISON: fix misjudgement of page_action() for errors on mlocked pages
memcg: stop warning on memcg_propagate_kmem
net: change type of virtio_chan->p9_max_pages
vmscan: change type of vm_total_pages to unsigned long
fs/nfsd: change type of max_delegations, nfsd_drc_max_mem and nfsd_drc_mem_used
...
Added slightly more detail to the Documentation of merge_across_nodes, a
few comments in areas indicated by review, and renamed get_ksm_page()'s
argument from "locked" to "lock_it". No functional change.
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Petr Holasek <pholasek@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Izik Eidus <izik.eidus@ravellosystems.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here's a KSM series, based on mmotm 2013-01-23-17-04: starting with
Petr's v7 "KSM: numa awareness sysfs knob"; then fixing the two issues
we had with that, fully enabling KSM page migration on the way.
(A different kind of KSM/NUMA issue which I've certainly not begun to
address here: when KSM pages are unmerged, there's usually no sense in
preferring to allocate the new pages local to the caller's node.)
This patch:
Introduces new sysfs boolean knob /sys/kernel/mm/ksm/merge_across_nodes
which control merging pages across different numa nodes. When it is set
to zero only pages from the same node are merged, otherwise pages from
all nodes can be merged together (default behavior).
Typical use-case could be a lot of KVM guests on NUMA machine and cpus
from more distant nodes would have significant increase of access
latency to the merged ksm page. Sysfs knob was choosen for higher
variability when some users still prefers higher amount of saved
physical memory regardless of access latency.
Every numa node has its own stable & unstable trees because of faster
searching and inserting. Changing of merge_across_nodes value is
possible only when there are not any ksm shared pages in system.
I've tested this patch on numa machines with 2, 4 and 8 nodes and
measured speed of memory access inside of KVM guests with memory pinned
to one of nodes with this benchmark:
http://pholasek.fedorapeople.org/alloc_pg.c
Population standard deviations of access times in percentage of average
were following:
merge_across_nodes=1
2 nodes 1.4%
4 nodes 1.6%
8 nodes 1.7%
merge_across_nodes=0
2 nodes 1%
4 nodes 0.32%
8 nodes 0.018%
RFC: https://lkml.org/lkml/2011/11/30/91
v1: https://lkml.org/lkml/2012/1/23/46
v2: https://lkml.org/lkml/2012/6/29/105
v3: https://lkml.org/lkml/2012/9/14/550
v4: https://lkml.org/lkml/2012/9/23/137
v5: https://lkml.org/lkml/2012/12/10/540
v6: https://lkml.org/lkml/2012/12/23/154
v7: https://lkml.org/lkml/2012/12/27/225
Hugh notes that this patch brings two problems, whose solution needs
further support in mm/ksm.c, which follows in subsequent patches:
1) switching merge_across_nodes after running KSM is liable to oops
on stale nodes still left over from the previous stable tree;
2) memory hotremove may migrate KSM pages, but there is no provision
here for !merge_across_nodes to migrate nodes to the proper tree.
Signed-off-by: Petr Holasek <pholasek@redhat.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Izik Eidus <izik.eidus@ravellosystems.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We now provide an option for users who don't want to specify physical
memory address in kernel commandline.
/*
* For movablemem_map=acpi:
*
* SRAT: |_____| |_____| |_________| |_________| ......
* node id: 0 1 1 2
* hotpluggable: n y y n
* movablemem_map: |_____| |_________|
*
* Using movablemem_map, we can prevent memblock from allocating memory
* on ZONE_MOVABLE at boot time.
*/
So user just specify movablemem_map=acpi, and the kernel will use
hotpluggable info in SRAT to determine which memory ranges should be set
as ZONE_MOVABLE.
If all the memory ranges in SRAT is hotpluggable, then no memory can be
used by kernel. But before parsing SRAT, memblock has already reserve
some memory ranges for other purposes, such as for kernel image, and so
on. We cannot prevent kernel from using these memory. So we need to
exclude these ranges even if these memory is hotpluggable.
Furthermore, there could be several memory ranges in the single node
which the kernel resides in. We may skip one range that have memory
reserved by memblock, but if the rest of memory is too small, then the
kernel will fail to boot. So, make the whole node which the kernel
resides in un-hotpluggable. Then the kernel has enough memory to use.
NOTE: Using this way will cause NUMA performance down because the
whole node will be set as ZONE_MOVABLE, and kernel cannot use memory
on it. If users don't want to lose NUMA performance, just don't use
it.
[akpm@linux-foundation.org: fix warning]
[akpm@linux-foundation.org: use strcmp()]
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Jiang Liu <jiang.liu@huawei.com>
Cc: Jianguo Wu <wujianguo@huawei.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Wu Jianguo <wujianguo@huawei.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Len Brown <lenb@kernel.org>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add functions to parse movablemem_map boot option. Since the option
could be specified more then once, all the maps will be stored in the
global variable movablemem_map.map array.
And also, we keep the array in monotonic increasing order by start_pfn.
And merge all overlapped ranges.
[akpm@linux-foundation.org: improve comment]
[akpm@linux-foundation.org: checkpatch fixes]
[akpm@linux-foundation.org: remove unneeded parens]
Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Reviewed-by: Wen Congyang <wency@cn.fujitsu.com>
Tested-by: Lin Feng <linfeng@cn.fujitsu.com>
Cc: Wu Jianguo <wujianguo@huawei.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull powerpc updates from Benjamin Herrenschmidt:
"So from the depth of frozen Minnesota, here's the powerpc pull request
for 3.9. It has a few interesting highlights, in addition to the
usual bunch of bug fixes, minor updates, embedded device tree updates
and new boards:
- Hand tuned asm implementation of SHA1 (by Paulus & Michael
Ellerman)
- Support for Doorbell interrupts on Power8 (kind of fast
thread-thread IPIs) by Ian Munsie
- Long overdue cleanup of the way we handle relocation of our open
firmware trampoline (prom_init.c) on 64-bit by Anton Blanchard
- Support for saving/restoring & context switching the PPR (Processor
Priority Register) on server processors that support it. This
allows the kernel to preserve thread priorities established by
userspace. By Haren Myneni.
- DAWR (new watchpoint facility) support on Power8 by Michael Neuling
- Ability to change the DSCR (Data Stream Control Register) which
controls cache prefetching on a running process via ptrace by
Alexey Kardashevskiy
- Support for context switching the TAR register on Power8 (new
branch target register meant to be used by some new specific
userspace perf event interrupt facility which is yet to be enabled)
by Ian Munsie.
- Improve preservation of the CFAR register (which captures the
origin of a branch) on various exception conditions by Paulus.
- Move the Bestcomm DMA driver from arch powerpc to drivers/dma where
it belongs by Philippe De Muyter
- Support for Transactional Memory on Power8 by Michael Neuling
(based on original work by Matt Evans). For those curious about
the feature, the patch contains a pretty good description."
(See commit db8ff907027b: "powerpc: Documentation for transactional
memory on powerpc" for the mentioned description added to the file
Documentation/powerpc/transactional_memory.txt)
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (140 commits)
powerpc/kexec: Disable hard IRQ before kexec
powerpc/85xx: l2sram - Add compatible string for BSC9131 platform
powerpc/85xx: bsc9131 - Correct typo in SDHC device node
powerpc/e500/qemu-e500: enable coreint
powerpc/mpic: allow coreint to be determined by MPIC version
powerpc/fsl_pci: Store the pci ctlr device ptr in the pci ctlr struct
powerpc/85xx: Board support for ppa8548
powerpc/fsl: remove extraneous DIU platform functions
arch/powerpc/platforms/85xx/p1022_ds.c: adjust duplicate test
powerpc: Documentation for transactional memory on powerpc
powerpc: Add transactional memory to pseries and ppc64 defconfigs
powerpc: Add config option for transactional memory
powerpc: Add transactional memory to POWER8 cpu features
powerpc: Add new transactional memory state to the signal context
powerpc: Hook in new transactional memory code
powerpc: Routines for FP/VSX/VMX unavailable during a transaction
powerpc: Add transactional memory unavaliable execption handler
powerpc: Add reclaim and recheckpoint functions for context switching transactional memory processes
powerpc: Add FP/VSX and VMX register load functions for transactional memory
powerpc: Add helper functions for transactional memory context switching
...
Pull core locking changes from Ingo Molnar:
"The biggest change is the rwsem lock-steal improvements, both to the
assembly optimized and the spinlock based variants.
The other notable change is the clean up of the seqlock implementation
to be based on the seqcount infrastructure.
The rest is assorted smaller debuggability, cleanup and continued -rt
locking changes."
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rwsem-spinlock: Implement writer lock-stealing for better scalability
futex: Revert "futex: Mark get_robust_list as deprecated"
generic: Use raw local irq variant for generic cmpxchg
lockdep: Selftest: convert spinlock to raw spinlock
seqlock: Use seqcount infrastructure
seqlock: Remove unused functions
ntp: Make ntp_lock raw
intel_idle: Convert i7300_idle_lock to raw_spinlock
locking: Various static lock initializer fixes
lockdep: Print more info when MAX_LOCK_DEPTH is exceeded
rwsem: Implement writer lock-stealing for better scalability
lockdep: Silence warning if CONFIG_LOCKDEP isn't set
watchdog: Use local_clock for get_timestamp()
lockdep: Rename print_unlock_inbalance_bug() to print_unlock_imbalance_bug()
locking/stat: Fix a typo
Pull x86 microcode loading update from Peter Anvin:
"This patchset lets us update the CPU microcode very, very early in
initialization if the BIOS fails to do so (never happens, right?)
This is handy for dealing with things like the Atom erratum where we
have to run without PSE because microcode loading happens too late.
As I mentioned in the x86/mm push request it depends on that
infrastructure but it is otherwise a standalone feature."
* 'x86/microcode' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/Kconfig: Make early microcode loading a configuration feature
x86/mm/init.c: Copy ucode from initrd image to kernel memory
x86/head64.c: Early update ucode in 64-bit
x86/head_32.S: Early update ucode in 32-bit
x86/microcode_intel_early.c: Early update ucode on Intel's CPU
x86/tlbflush.h: Define __native_flush_tlb_global_irq_disabled()
x86/microcode_intel_lib.c: Early update ucode on Intel's CPU
x86/microcode_core_early.c: Define interfaces for early loading ucode
x86/common.c: load ucode in 64 bit or show loading ucode info in 32 bit on AP
x86/common.c: Make have_cpuid_p() a global function
x86/microcode_intel.h: Define functions and macros for early loading ucode
x86, doc: Documentation for early microcode loading
This patch updates the megaraid_sas driver version and updates
Documentation/scsi/ChangeLog.megaraid_sas.
Signed-off-by: Adam Radford <aradford@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Do not run with verbosity on/off depending on the ONLINE variable,
which gets set with C=1 or C=2, but allow the user to set the
verbosity using kernel default make V= paramemter.
Verbosity is off by default now.
Signed-off-by: Bernd Schubert <bernd.schubert@itwm.fraunhofer.de>
CC: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Nicolas Palix <nicolas.palix@imag.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Conflicts:
include/linux/ssb/ssb_driver_gige.h
Also resolves a logical merge conflict in drivers/net/ethernet/broadcom/-
bgmac.c due to change of an API.
Driver implementations of the drm_crtc's .page_flip() function are
required to update the crtc->fb field on success to reflect that the new
framebuffer is now in use. This is important to keep reference counting
on the framebuffers balanced.
While at it, document this requirement to keep others from falling into
the same trap.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Add a reference section about the EDID helper functions to the DRM
documentation.
Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Pull x86 mm changes from Peter Anvin:
"This is a huge set of several partly interrelated (and concurrently
developed) changes, which is why the branch history is messier than
one would like.
The *really* big items are two humonguous patchsets mostly developed
by Yinghai Lu at my request, which completely revamps the way we
create initial page tables. In particular, rather than estimating how
much memory we will need for page tables and then build them into that
memory -- a calculation that has shown to be incredibly fragile -- we
now build them (on 64 bits) with the aid of a "pseudo-linear mode" --
a #PF handler which creates temporary page tables on demand.
This has several advantages:
1. It makes it much easier to support things that need access to data
very early (a followon patchset uses this to load microcode way
early in the kernel startup).
2. It allows the kernel and all the kernel data objects to be invoked
from above the 4 GB limit. This allows kdump to work on very large
systems.
3. It greatly reduces the difference between Xen and native (Xen's
equivalent of the #PF handler are the temporary page tables created
by the domain builder), eliminating a bunch of fragile hooks.
The patch series also gets us a bit closer to W^X.
Additional work in this pull is the 64-bit get_user() work which you
were also involved with, and a bunch of cleanups/speedups to
__phys_addr()/__pa()."
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (105 commits)
x86, mm: Move reserving low memory later in initialization
x86, doc: Clarify the use of asm("%edx") in uaccess.h
x86, mm: Redesign get_user with a __builtin_choose_expr hack
x86: Be consistent with data size in getuser.S
x86, mm: Use a bitfield to mask nuisance get_user() warnings
x86/kvm: Fix compile warning in kvm_register_steal_time()
x86-32: Add support for 64bit get_user()
x86-32, mm: Remove reference to alloc_remap()
x86-32, mm: Remove reference to resume_map_numa_kva()
x86-32, mm: Rip out x86_32 NUMA remapping code
x86/numa: Use __pa_nodebug() instead
x86: Don't panic if can not alloc buffer for swiotlb
mm: Add alloc_bootmem_low_pages_nopanic()
x86, 64bit, mm: hibernate use generic mapping_init
x86, 64bit, mm: Mark data/bss/brk to nx
x86: Merge early kernel reserve for 32bit and 64bit
x86: Add Crash kernel low reservation
x86, kdump: Remove crashkernel range find limit for 64bit
memblock: Add memblock_mem_size()
x86, boot: Not need to check setup_header version for setup_data
...
Pull HID subsystem updates from Jiri Kosina:
"HID subsystem and drivers update. Highlights:
- new support of a group of Win7/Win8 multitouch devices, from
Benjamin Tissoires
- fix for compat interface brokenness in uhid, from Dmitry Torokhov
- conversion of drivers to use hid_driver helper, by H Hartley
Sweeten
- HID over I2C transport received ACPI enumeration support, written
by Mika Westerberg
- there is an ongoing effort to make HID sensor hubs independent of
USB transport. The first self-contained part of this work is
provided here, done by Mika Westerberg
- a few smaller fixes here and there, support for a couple new
devices added"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (43 commits)
HID: Correct Logitech order in hid-ids.h
HID: LG4FF: Remove unnecessary deadzone code
HID: LG: Prevent the Logitech Gaming Wheels deadzone
HID: LG: Fix detection of Logitech Speed Force Wireless (WiiWheel)
HID: LG: Add support for Logitech Momo Force (Red) Wheel
HID: hidraw: print message when succesfully initialized
HID: logitech: split accel, brake for Driving Force wheel
HID: logitech: add report descriptor for Driving Force wheel
HID: add ThingM blink(1) USB RGB LED support
HID: uhid: make creating devices work on 64/32 systems
HID: wiimote: fix nunchuck button parser
HID: blacklist Velleman data acquisition boards
HID: sensor-hub: don't limit the driver only to USB bus
HID: sensor-hub: get rid of unused sensor_hub_grabbed_usages[] table
HID: extend autodetect to handle I2C sensors as well
HID: ntrig: use input_configured() callback to set the name
HID: multitouch: do not use pointers towards hid-core
HID: add missing GENERIC_HARDIRQ dependency
HID: multitouch: make MT_CLS_ALWAYS_TRUE the new default class
HID: multitouch: fix protocol for Elo panels
...
Pull trivial tree from Jiri Kosina:
"Assorted tiny fixes queued in trivial tree"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (22 commits)
DocBook: update EXPORT_SYMBOL entry to point at export.h
Documentation: update top level 00-INDEX file with new additions
ARM: at91/ide: remove unsused at91-ide Kconfig entry
percpu_counter.h: comment code for better readability
x86, efi: fix comment typo in head_32.S
IB: cxgb3: delay freeing mem untill entirely done with it
net: mvneta: remove unneeded version.h include
time: x86: report_lost_ticks doesn't exist any more
pcmcia: avoid static analysis complaint about use-after-free
fs/jfs: Fix typo in comment : 'how may' -> 'how many'
of: add missing documentation for of_platform_populate()
btrfs: remove unnecessary cur_trans set before goto loop in join_transaction
sound: soc: Fix typo in sound/codecs
treewide: Fix typo in various drivers
btrfs: fix comment typos
Update ibmvscsi module name in Kconfig.
powerpc: fix typo (utilties -> utilities)
of: fix spelling mistake in comment
h8300: Fix home page URL in h8300/README
xtensa: Fix home page URL in Kconfig
...
Merge misc patches from Andrew Morton:
- Florian has vanished so I appear to have become fbdev maintainer
again :(
- Joel and Mark are distracted to welcome to the new OCFS2 maintainer
- The backlight queue
- Small core kernel changes
- lib/ updates
- The rtc queue
- Various random bits
* akpm: (164 commits)
rtc: rtc-davinci: use devm_*() functions
rtc: rtc-max8997: use devm_request_threaded_irq()
rtc: rtc-max8907: use devm_request_threaded_irq()
rtc: rtc-da9052: use devm_request_threaded_irq()
rtc: rtc-wm831x: use devm_request_threaded_irq()
rtc: rtc-tps80031: use devm_request_threaded_irq()
rtc: rtc-lp8788: use devm_request_threaded_irq()
rtc: rtc-coh901331: use devm_clk_get()
rtc: rtc-vt8500: use devm_*() functions
rtc: rtc-tps6586x: use devm_request_threaded_irq()
rtc: rtc-imxdi: use devm_clk_get()
rtc: rtc-cmos: use dev_warn()/dev_dbg() instead of printk()/pr_debug()
rtc: rtc-pcf8583: use dev_warn() instead of printk()
rtc: rtc-sun4v: use pr_warn() instead of printk()
rtc: rtc-vr41xx: use dev_info() instead of printk()
rtc: rtc-rs5c313: use pr_err() instead of printk()
rtc: rtc-at91rm9200: use dev_dbg()/dev_err() instead of printk()/pr_debug()
rtc: rtc-rs5c372: use dev_dbg()/dev_warn() instead of printk()/pr_debug()
rtc: rtc-ds2404: use dev_err() instead of printk()
rtc: rtc-efi: use dev_err()/dev_warn()/pr_err() instead of printk()
...
LP8557 is one of LP855x family device, but it has different register map
and initialization process. To support this device, device specific
configuration is done through the lp855x_device_config structure.
Few register definitions are fixed for better readability.
BRIGHTNESS_CTRL -> LP855X_BRIGHTNESS_CTRL
DEVICE_CTRL -> LP855X_DEVICE_CTRL
EEPROM_START -> LP855X_EEPROM_START
EEPROM_END -> LP855X_EEPROM_END
EPROM_START -> LP8556_EPROM_START
EPROM_END -> LP8556_EPROM_END
And LP8557 register definitions are added. New register function,
lp855x_update_bit() is added.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add the %pa format specifier for printing a phys_addr_t type and its
derivative types (such as resource_size_t), since the physical address
size on some platforms can vary based on build options, regardless of
the native integer type.
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Cc: Rob Landley <rob@landley.net>
Cc: George Spelvin <linux@horizon.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Stephen Boyd <sboyd@codeaurora.org>
Cc: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
After I came across a help text for SUNGEM mentioning a broken sun.com
URL, I felt like fixing those up, as they are now pointing to oracle.com
URLs.
Signed-off-by: Christian Kujau <lists@nerdbynature.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patchset ("stable page writes, part 2") makes some key
modifications to the original 'stable page writes' patchset. First, it
provides creators (devices and filesystems) of a backing_dev_info a flag
that declares whether or not it is necessary to ensure that page
contents cannot change during writeout. It is no longer assumed that
this is true of all devices (which was never true anyway). Second, the
flag is used to relaxed the wait_on_page_writeback calls so that wait
only occurs if the device needs it. Third, it fixes up the remaining
disk-backed filesystems to use this improved conditional-wait logic to
provide stable page writes on those filesystems.
It is hoped that (for people not using checksumming devices, anyway)
this patchset will give back unnecessary performance decreases since the
original stable page write patchset went into 3.0. Sorry about not
fixing it sooner.
Complaints were registered by several people about the long write
latencies introduced by the original stable page write patchset.
Generally speaking, the kernel ought to allocate as little extra memory
as possible to facilitate writeout, but for people who simply cannot
wait, a second page stability strategy is (re)introduced: snapshotting
page contents. The waiting behavior is still the default strategy; to
enable page snapshotting, a superblock flag (MS_SNAP_STABLE) must be
set. This flag is used to bandaid^Henable stable page writeback on
ext3[1], and is not used anywhere else.
Given that there are already a few storage devices and network FSes that
have rolled their own page stability wait/page snapshot code, it would
be nice to move towards consolidating all of these. It seems possible
that iscsi and raid5 may wish to use the new stable page write support
to enable zero-copy writeout.
Thank you to Jan Kara for helping fix a couple more filesystems.
Per Andrew Morton's request, here are the result of using dbench to measure
latencies on ext2:
3.8.0-rc3:
Operation Count AvgLat MaxLat
----------------------------------------
WriteX 109347 0.028 59.817
ReadX 347180 0.004 3.391
Flush 15514 29.828 287.283
Throughput 57.429 MB/sec 4 clients 4 procs max_latency=287.290 ms
3.8.0-rc3 + patches:
WriteX 105556 0.029 4.273
ReadX 335004 0.005 4.112
Flush 14982 30.540 298.634
Throughput 55.4496 MB/sec 4 clients 4 procs max_latency=298.650 ms
As you can see, for ext2 the maximum write latency decreases from ~60ms
on a laptop hard disk to ~4ms. I'm not sure why the flush latencies
increase, though I suspect that being able to dirty pages faster gives
the flusher more work to do.
On ext4, the average write latency decreases as well as all the maximum
latencies:
3.8.0-rc3:
WriteX 85624 0.152 33.078
ReadX 272090 0.010 61.210
Flush 12129 36.219 168.260
Throughput 44.8618 MB/sec 4 clients 4 procs max_latency=168.276 ms
3.8.0-rc3 + patches:
WriteX 86082 0.141 30.928
ReadX 273358 0.010 36.124
Flush 12214 34.800 165.689
Throughput 44.9941 MB/sec 4 clients 4 procs max_latency=165.722 ms
XFS seems to exhibit similar latency improvements as ext2:
3.8.0-rc3:
WriteX 125739 0.028 104.343
ReadX 399070 0.005 4.115
Flush 17851 25.004 131.390
Throughput 66.0024 MB/sec 4 clients 4 procs max_latency=131.406 ms
3.8.0-rc3 + patches:
WriteX 123529 0.028 6.299
ReadX 392434 0.005 4.287
Flush 17549 25.120 188.687
Throughput 64.9113 MB/sec 4 clients 4 procs max_latency=188.704 ms
...and btrfs, just to round things out, also shows some latency
decreases:
3.8.0-rc3:
WriteX 67122 0.083 82.355
ReadX 212719 0.005 2.828
Flush 9547 47.561 147.418
Throughput 35.3391 MB/sec 4 clients 4 procs max_latency=147.433 ms
3.8.0-rc3 + patches:
WriteX 64898 0.101 71.631
ReadX 206673 0.005 7.123
Flush 9190 47.963 219.034
Throughput 34.0795 MB/sec 4 clients 4 procs max_latency=219.044 ms
Before this patchset, all filesystems would block, regardless of whether
or not it was necessary. ext3 would wait, but still generate occasional
checksum errors. The network filesystems were left to do their own
thing, so they'd wait too.
After this patchset, all the disk filesystems except ext3 and btrfs will
wait only if the hardware requires it. ext3 (if necessary) snapshots
pages instead of blocking, and btrfs provides its own bdi so the mm will
never wait. Network filesystems haven't been touched, so either they
provide their own wait code, or they don't block at all. The blocking
behavior is back to what it was before 3.0 if you don't have a disk
requiring stable page writes.
This patchset has been tested on 3.8.0-rc3 on x64 with ext3, ext4, and
xfs. I've spot-checked 3.8.0-rc4 and seem to be getting the same
results as -rc3.
[1] The alternative fixes to ext3 include fixing the locking order and
page bit handling like we did for ext4 (but then why not just use
ext4?), or setting PG_writeback so early that ext3 becomes extremely
slow. I tried that, but the number of write()s I could initiate dropped
by nearly an order of magnitude. That was a bit much even for the
author of the stable page series! :)
This patch:
Creates a per-backing-device flag that tracks whether or not pages must
be held immutable during writeout. Eventually it will be used to waive
wait_for_page_writeback() if nothing requires stable pages.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Steven Whitehouse <swhiteho@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This contains parts of the ARM KVM support that have dependencies on
other patches merged through the arm-soc tree. In combination with
patches coming through Russell's tree, this will finally add full
support for the kernel based virtual machine on ARM, which has
been awaited for some time now.
Further, we now have a separate platform for virtual machines
and qemu booting that is used by both Xen and KVM, separating
these from the Versatile Express reference implementation.
Obviously, this new platform is multiplatform capable so it
can be combined with existing machines in the same kernel.
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Merge tag 'virt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM virtualization changes:
"This contains parts of the ARM KVM support that have dependencies on
other patches merged through the arm-soc tree. In combination with
patches coming through Russell's tree, this will finally add full
support for the kernel based virtual machine on ARM, which has been
awaited for some time now.
Further, we now have a separate platform for virtual machines and qemu
booting that is used by both Xen and KVM, separating these from the
Versatile Express reference implementation. Obviously, this new
platform is multiplatform capable so it can be combined with existing
machines in the same kernel."
* tag 'virt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (38 commits)
ARM: arch_timer: include linux/errno.h
arm: arch_timer: add missing inline in stub function
ARM: KVM: arch_timers: Wire the init code and config option
ARM: KVM: arch_timers: Add timer world switch
ARM: KVM: arch_timers: Add guest timer core support
ARM: KVM: Add VGIC configuration option
ARM: KVM: VGIC initialisation code
ARM: KVM: VGIC control interface world switch
ARM: KVM: VGIC interrupt injection
ARM: KVM: vgic: retire queued, disabled interrupts
ARM: KVM: VGIC virtual CPU interface management
ARM: KVM: VGIC distributor handling
ARM: KVM: VGIC accept vcpu and dist base addresses from user space
ARM: KVM: Initial VGIC infrastructure code
ARM: KVM: Keep track of currently running vcpus
KVM: ARM: Introduce KVM_ARM_SET_DEVICE_ADDR ioctl
ARM: gic: add __ASSEMBLY__ guard to C definitions
ARM: gic: define GICH offsets for VGIC support
ARM: gic: add missing distributor defintions
ARM: mach-virt: fixup machine descriptor after removal of sys_timer
...
These are device tree conversions for a number of platforms,
with the intention of turning code from board files into
device tree descriptions. Notable changes are:
* davinci bindings for pinctrl, MTD, RTC, watchdog and i2c
* nomadik bindings for all devices, removing the board files
* bcm2835 bindings for mmc and i2c
* tegra bindings for hdmi, keyboard, audio, as well as some updates
* at91 bindings for hardware ecc and for devices on RM9200
* mxs bindings for cfa100xx
* sunxi support for Miniand Hackberry board
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree conversions from Arnd Bergmann:
"These are device tree conversions for a number of platforms, with the
intention of turning code from board files into device tree
descriptions. Notable changes are:
- davinci bindings for pinctrl, MTD, RTC, watchdog and i2c
- nomadik bindings for all devices, removing the board files
- bcm2835 bindings for mmc and i2c
- tegra bindings for hdmi, keyboard, audio, as well as some updates
- at91 bindings for hardware ecc and for devices on RM9200
- mxs bindings for cfa100xx
- sunxi support for Miniand Hackberry board"
* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (72 commits)
Revert "sunxi: a10-cubieboard: Add user LEDs to the device tree"
Revert "sunxi: a13-olinuxino: Add user LED to the device tree"
clk: tegra: initialise parent of uart clocks
ARM: tegra: remove clock-frequency properties from serial nodes
clk: tegra: fix driver to match DT binding
clk: tegra: local arrays should be static
clk: tegra: Add missing spinlock for hclk and pclk
clk: tegra: Implement locking for super clock
clk: tegra: fix wrong clock index between se to sata_cold
sunxi: a13-olinuxino: Add user LED to the device tree
ARM: davinci: da850 DT: add support for machine reboot
ARM: davinci: da850: add wdt DT node
ARM: davinci: da850: add DT node for I2C0
ARM: at91: at91sam9n12: add DT parameters to enable PMECC
ARM: at91: at91sam9x5: add DT parameters to enable PMECC
ARM: at91: add EMAC bindings to RM9200 DT
ARM: at91: add SSC bindings to RM9200 DT
ARM: at91: add MMC bindings to RM9200 DT
ARM: at91: Animeo IP: enable watchdog support
ARM: nomadik: fix OF compilation regression
...
This is a larger set of new functionality for the existing SoC families,
including:
* vt8500 gains support for new CPU cores, notably the Cortex-A9 based wm8850
* prima2 gains support for the "marco" SoC family, its SMP based cousin
* tegra gains support for the new Tegra4 (Tegra114) family
* socfpga now supports a newer version of the hardware including SMP
* i.mx31 and bcm2835 are now using DT probing for their clocks
* lots of updates for sh-mobile
* OMAP updates for clocks, power management and USB
* i.mx6q and tegra now support cpuidle
* kirkwood now supports PCIe hot plugging
* tegra clock support is updated
* tegra USB PHY probing gets implemented diffently
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Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC-specific updates from Arnd Bergmann:
"This is a larger set of new functionality for the existing SoC
families, including:
- vt8500 gains support for new CPU cores, notably the Cortex-A9 based
wm8850
- prima2 gains support for the "marco" SoC family, its SMP based
cousin
- tegra gains support for the new Tegra4 (Tegra114) family
- socfpga now supports a newer version of the hardware including SMP
- i.mx31 and bcm2835 are now using DT probing for their clocks
- lots of updates for sh-mobile
- OMAP updates for clocks, power management and USB
- i.mx6q and tegra now support cpuidle
- kirkwood now supports PCIe hot plugging
- tegra clock support is updated
- tegra USB PHY probing gets implemented diffently"
* tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (148 commits)
ARM: prima2: remove duplicate v7_invalidate_l1
ARM: shmobile: r8a7779: Correct TMU clock support again
ARM: prima2: fix __init section for cpu hotplug
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 3/3)
ARM: OMAP: Consolidate OMAP USB-HS platform data (part 1/3)
arm: socfpga: Add SMP support for actual socfpga harware
arm: Add v7_invalidate_l1 to cache-v7.S
arm: socfpga: Add entries to enable make dtbs socfpga
arm: socfpga: Add new device tree source for actual socfpga HW
ARM: tegra: sort Kconfig selects for Tegra114
ARM: tegra: enable ARCH_REQUIRE_GPIOLIB for Tegra114
ARM: tegra: Fix build error w/ ARCH_TEGRA_114_SOC w/o ARCH_TEGRA_3x_SOC
ARM: tegra: Fix build error for gic update
ARM: tegra: remove empty tegra_smp_init_cpus()
ARM: shmobile: Register ARM architected timer
ARM: MARCO: fix the build issue due to gic-vic-to-irqchip move
ARM: shmobile: r8a7779: Correct TMU clock support
ARM: mxs_defconfig: Select CONFIG_DEVTMPFS_MOUNT
ARM: mxs: decrease mxs_clockevent_device.min_delta_ns to 2 clock cycles
ARM: mxs: use apbx bus clock to drive the timers on timrotv2
...
* Updates to the ux500 cpufreq code
* Moving the u300 DMA controller driver to drivers/dma
* Moving versatile express drivers out of arch/arm for sharing with arch/arm64
* Device tree bindings for the OMAP General Purpose Memory Controller
There is a simple conflict in drivers/cpufreq/dbx500-cpufreq.c, because
the mach/id.h header and the cpu_is_u8500_family() function in it are
now gone.
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Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver specific changes from Arnd Bergmann:
- Updates to the ux500 cpufreq code
- Moving the u300 DMA controller driver to drivers/dma
- Moving versatile express drivers out of arch/arm for sharing with arch/arm64
- Device tree bindings for the OMAP General Purpose Memory Controller
* tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (27 commits)
ARM: OMAP2+: gpmc: Add device tree documentation for elm handle
ARM: OMAP2+: gpmc: add DT bindings for OneNAND
ARM: OMAP2+: gpmc-onenand: drop __init annotation
mtd: omap-onenand: pass device_node in platform data
ARM: OMAP2+: Prevent potential crash if GPMC probe fails
ARM: OMAP2+: gpmc: Remove unneeded of_node_put()
arm: Move sp810.h to include/linux/amba/
ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND
ARM: OMAP: gpmc: enable hwecc for AM33xx SoCs
ARM: OMAP: gpmc-nand: drop __init annotation
mtd: omap-nand: pass device_node in platform data
ARM: OMAP: gpmc: don't create devices from initcall on DT
dma: coh901318: cut down on platform data abstraction
dma: coh901318: merge header files
dma: coh901318: push definitions into driver
dma: coh901318: push header down into the DMA subsystem
dma: coh901318: skip hard-coded addresses
dma: coh901318: remove hardcoded target addresses
dma: coh901318: push platform data into driver
dma: coh901318: create a proper platform data file
...
A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even specify
the driver they use, it can all get configured from the device tree
as we do for normal device drivers. The clocksource changes basically
touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose
their headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"A large number of cleanups, all over the platforms. This is dominated
largely by the Samsung platforms (s3c, s5p, exynos) and a few of the
others moving code out of arch/arm into more appropriate subsystems.
The clocksource and irqchip drivers are now abstracted to the point
where platforms that are already cleaned up do not need to even
specify the driver they use, it can all get configured from the device
tree as we do for normal device drivers. The clocksource changes
basically touch every single platform in the process.
We further clean up the use of platform specific header files here,
with the goal of turning more of the platforms over to being
"multiplatform" enabled, which implies that they cannot expose their
headers to architecture independent code any more.
It is expected that no functional changes are part of the cleanup.
The overall reduction in total code lines is mostly the result of
removing broken and obsolete code."
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
ARM: mvebu: correct gated clock documentation
ARM: kirkwood: add missing include for nsa310
ARM: exynos: move exynos4210-combiner to drivers/irqchip
mfd: db8500-prcmu: update resource passing
drivers/db8500-cpufreq: delete dangling include
ARM: at91: remove NEOCORE 926 board
sunxi: Cleanup the reset code and add meaningful registers defines
ARM: S3C24XX: header mach/regs-mem.h local
ARM: S3C24XX: header mach/regs-power.h local
ARM: S3C24XX: header mach/regs-s3c2412-mem.h local
ARM: S3C24XX: Remove plat-s3c24xx directory in arch/arm/
ARM: S3C24XX: transform s3c2443 subirqs into new structure
ARM: S3C24XX: modify s3c2443 irq init to initialize all irqs
ARM: S3C24XX: move s3c2443 irq code to irq.c
ARM: S3C24XX: transform s3c2416 irqs into new structure
ARM: S3C24XX: modify s3c2416 irq init to initialize all irqs
ARM: S3C24XX: move s3c2416 irq init to common irq code
ARM: S3C24XX: Modify s3c_irq_wake to use the hwirq property
ARM: S3C24XX: Move irq syscore-ops to irq-pm
clocksource: always define CLOCKSOURCE_OF_DECLARE
...
Bug fixes that did not make it into v3.8, mostly because they were not
considered important enough, and in some cases because bugs only show
up in combination with other patches destined for 3.9.
This includes a few larger patches for GPIO on the Marvell PXA platform
and a lot of Samsung specific bug fixes, as well as a series from Arnd
to fix older build warnings.
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Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull non-critical ARM SoC bug fixes from Arnd Bergmann:
"Bug fixes that did not make it into v3.8, mostly because they were not
considered important enough, and in some cases because bugs only show
up in combination with other patches destined for 3.9. This includes
a few larger patches for GPIO on the Marvell PXA platform and a lot of
Samsung specific bug fixes, as well as a series from Arnd to fix older
build warnings."
* tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (54 commits)
ARM: SPEAr13xx: Enable CONFIG_ARCH_HAS_CPUFREQ
ARM: imx: MACH_MX31ADS_WM1133_EV1 needs REGULATOR_WM8350
scripts/sortextable: silence script output
ARM: s3c: i2c: add platform_device forward declaration
ARM: mvebu: allow selecting mvebu without Armada XP
ARM: pick Versatile by default for !MMU
ARM: integrator: fix build with INTEGRATOR_AP off
ARM: integrator/versatile: fix NOMMU warnings
ARM: sa1100: don't warn about mach/ide.h
ARM: shmobile: fix defconfig warning on CONFIG_USB
ARM: w90x900: fix legacy assembly syntax
ARM: samsung: fix assembly syntax for new gas
ARM: disable virt_to_bus/virt_to_bus almost everywhere
ARM: dts: Correct pin configuration of SD 4 for exynos4x12-pinctrl
ARM: SAMSUNG: Silence empty switch warning in fimc-core.h
ARM: SAMSUNG: Silence empty switch warning in sdhci.h
ARM: msm: proc_comm_boot_wait should not be __init
arm: vt8500: Update MAINTAINERS entry for arch-vt8500
ARM: integrator: ensure ap_syscon_base is initialised when !CONFIG_MMU
ARM: S5PV210: Fix early uart output in fifo mode
...
Here's the big char/misc driver patches for 3.9-rc1.
Nothing major here, just lots of different driver updates (mei, hyperv, ipack,
extcon, vmci, etc.).
All of these have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver patches from Greg Kroah-Hartman:
"Here's the big char/misc driver patches for 3.9-rc1.
Nothing major here, just lots of different driver updates (mei,
hyperv, ipack, extcon, vmci, etc.).
All of these have been in the linux-next tree for a while."
* tag 'char-misc-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (209 commits)
w1: w1_therm: Add force-pullup option for "broken" sensors
w1: ds2482: Added 1-Wire pull-up support to the driver
vme: add missing put_device() after device_register() fails
extcon: max8997: Use workqueue to check cable state after completing boot of platform
extcon: max8997: Set default UART/USB path on probe
extcon: max8997: Consolidate duplicate code for checking ADC/CHG cable type
extcon: max8997: Set default of ADC debounce time during initialization
extcon: max8997: Remove duplicate code related to set H/W line path
extcon: max8997: Move defined constant to header file
extcon: max77693: Make max77693_extcon_cable static
extcon: max8997: Remove unreachable code
extcon: max8997: Make max8997_extcon_cable static
extcon: max77693: Remove unnecessary goto statement to improve readability
extcon: max77693: Convert to devm_input_allocate_device()
extcon: gpio: Rename filename of extcon-gpio.c according to kernel naming style
CREDITS: update email and address of Harald Hoyer
extcon: arizona: Use MICDET for final microphone identification
extcon: arizona: Always take the first HPDET reading as the final one
extcon: arizona: Clear _trig_sts bits after jack detection
extcon: arizona: Don't HPDET magic when headphones are enabled
...
Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial patches from Greg Kroah-Hartman:
"Here's the big tty/serial driver patches for 3.9-rc1.
More tty port rework and fixes from Jiri here, as well as lots of
individual serial driver updates and fixes.
All of these have been in the linux-next tree for a while."
* tag 'tty-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (140 commits)
tty: mxser: improve error handling in mxser_probe() and mxser_module_init()
serial: imx: fix uninitialized variable warning
serial: tegra: assume CONFIG_OF
TTY: do not update atime/mtime on read/write
lguest: select CONFIG_TTY to build properly.
ARM defconfigs: add missing inclusions of linux/platform_device.h
fb/exynos: include platform_device.h
ARM: sa1100/assabet: include platform_device.h directly
serial: imx: Fix recursive locking bug
pps: Fix build breakage from decoupling pps from tty
tty: Remove ancient hardpps()
pps: Additional cleanups in uart_handle_dcd_change
pps: Move timestamp read into PPS code proper
pps: Don't crash the machine when exiting will do
pps: Fix a use-after free bug when unregistering a source.
pps: Use pps_lookup_dev to reduce ldisc coupling
pps: Add pps_lookup_dev() function
tty: serial: uartlite: Support uartlite on big and little endian systems
tty: serial: uartlite: Fix sparse and checkpatch warnings
serial/arc-uart: Miscll DT related updates (Grant's review comments)
...
Fix up trivial conflicts, mostly just due to the TTY config option
clashing with the EXPERIMENTAL removal.
Here's the big USB merge for 3.9-rc1
Nothing major, lots of gadget fixes, and of course, xhci stuff.
All of this has been in linux-next for a while, with the exception of
the last 3 patches, which were reverts of patches in the tree that
caused problems, they went in yesterday.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg Kroah-Hartman:
"Here's the big USB merge for 3.9-rc1
Nothing major, lots of gadget fixes, and of course, xhci stuff.
All of this has been in linux-next for a while, with the exception of
the last 3 patches, which were reverts of patches in the tree that
caused problems, they went in yesterday."
* tag 'usb-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (190 commits)
Revert "USB: EHCI: make ehci-vt8500 a separate driver"
Revert "USB: EHCI: make ehci-orion a separate driver"
Revert "USB: update host controller Kconfig entries"
USB: update host controller Kconfig entries
USB: EHCI: make ehci-orion a separate driver
USB: EHCI: make ehci-vt8500 a separate driver
USB: usb-storage: unusual_devs update for Super TOP SATA bridge
USB: ehci-omap: Fix autoloading of module
USB: ehci-omap: Don't free gpios that we didn't request
USB: option: add Huawei "ACM" devices using protocol = vendor
USB: serial: fix null-pointer dereferences on disconnect
USB: option: add Yota / Megafon M100-1 4g modem
drivers/usb: add missing GENERIC_HARDIRQS dependencies
USB: storage: properly handle the endian issues of idProduct
testusb: remove all mentions of 'usbfs'
usb: gadget: imx_udc: make it depend on BROKEN
usb: omap_control_usb: fix compile warning
ARM: OMAP: USB: Add phy binding information
ARM: OMAP2: MUSB: Specify omap4 has mailbox
ARM: OMAP: devices: create device for usb part of control module
...
Here's the big staging tree merge for 3.9-rc1
Lots of cleanups and updates for drivers all through the staging tree.
We are pretty much "code neutral" here, adding just about as many lines
as we removed.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree update from Greg Kroah-Hartman:
"Here's the big staging tree merge for 3.9-rc1
Lots of cleanups and updates for drivers all through the staging tree.
We are pretty much "code neutral" here, adding just about as many
lines as we removed.
All of these have been in linux-next for a while."
* tag 'staging-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (804 commits)
staging: comedi: vmk80xx: wait for URBs to complete
staging: comedi: drivers: addi-data: hwdrv_apci3200.c: Add a missing semicolon
staging: et131x: Update TODO list
staging: et131x: Remove assignment of skb->dev
staging: wlan-ng: hfa384x.h: fix for error reported by smatch
staging/zache checkpatch ERROR: spaces prohibited around that
staging/ozwpan: Mark read only parameters and structs as const
staging/ozwpan: Remove empty and unused function oz_cdev_heartbeat
staging/ozwpan: Mark local functions as static (fix sparse warnings)
staging/ozwpan: Add missing header includes
staging/usbip: Mark local functions as static (fix sparse warnings)
staging/xgifb: Remove duplicated code in loops.
staging/xgifb: Consolidate return paths
staging/xgifb: Remove code without effect
staging/xgifb: Remove unnecessary casts
staging/xgifb: Consolidate if/else if with identical code branches
staging: vt6656: replaced custom TRUE definition with true
staging: vt6656: replaced custom FALSE definition with false
staging: vt6656: replace custom BOOL definition with bool
staging/rtl8187se: Mark functions as static to silence sparse
...
Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers all
over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
If you need me to provide a merged tree to handle these resolutions,
please let me know.
Other than those patches, there's not much here, some minor fixes and
updates.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg Kroah-Hartman:
"Here is the big driver core merge for 3.9-rc1
There are two major series here, both of which touch lots of drivers
all over the kernel, and will cause you some merge conflicts:
- add a new function called devm_ioremap_resource() to properly be
able to check return values.
- remove CONFIG_EXPERIMENTAL
Other than those patches, there's not much here, some minor fixes and
updates"
Fix up trivial conflicts
* tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits)
base: memory: fix soft/hard_offline_page permissions
drivercore: Fix ordering between deferred_probe and exiting initcalls
backlight: fix class_find_device() arguments
TTY: mark tty_get_device call with the proper const values
driver-core: constify data for class_find_device()
firmware: Ignore abort check when no user-helper is used
firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER
firmware: Make user-mode helper optional
firmware: Refactoring for splitting user-mode helper code
Driver core: treat unregistered bus_types as having no devices
watchdog: Convert to devm_ioremap_resource()
thermal: Convert to devm_ioremap_resource()
spi: Convert to devm_ioremap_resource()
power: Convert to devm_ioremap_resource()
mtd: Convert to devm_ioremap_resource()
mmc: Convert to devm_ioremap_resource()
mfd: Convert to devm_ioremap_resource()
media: Convert to devm_ioremap_resource()
iommu: Convert to devm_ioremap_resource()
drm: Convert to devm_ioremap_resource()
...
The biggest change in this update is the unification of HD-audio codec
parsers. Now the HD-audio codec is parsed in a generic parser code
which is invoked by each HD-audio codec driver. Some background
information is found in David Henningsson's blog entry:
http://voices.canonical.com/david.henningsson/2013/01/18/upcoming-changes-to-the-intel-hda-drivers/
Other than that, some random updates/fixes like USB-audio and a bunch
of small AoC updates as usual.
Highlights:
- Unification of HD-audio parser code (aka generic parser)
- Support of new Intel HD-audio controller, new IDT codecs
- Fixes for HD-audio HDMI audio hotplug
- Haswell HDMI audio fixup
- Support of Creative CA0132 DSP code
- A few fixes of HDSP driver
- USB-audio fix for Roland A-PRO, M-Audio FT C600
- Support PM for aloop driver (and fixes Oops)
- Compress API updates for gapless playback support
For ASoC part:
- Support for a wider range of hardware in the compressed stream code
- The ability to mute capture streams as well as playback streams while
inactive
- DT support for AK4642, FSI, Samsung I2S and WM8962
- AC'97 support for Tegra
- New driver for max98090, replacing the stub which was there
- A new driver from Dialog
Note that due to dependencies, DTification of DMA support for Samsung
platforms (used only by the and I2S driver and SPI) is merged here as
well.
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Merge tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"The biggest change in this update is the unification of HD-audio codec
parsers. Now the HD-audio codec is parsed in a generic parser code
which is invoked by each HD-audio codec driver.
Some background information is found in David Henningsson's blog
entry:
http://voices.canonical.com/david.henningsson/2013/01/18/upcoming-changes-to-the-intel-hda-drivers/
Other than that, some random updates/fixes like USB-audio and a bunch
of small AoC updates as usual.
Highlights:
- Unification of HD-audio parser code (aka generic parser)
- Support of new Intel HD-audio controller, new IDT codecs
- Fixes for HD-audio HDMI audio hotplug
- Haswell HDMI audio fixup
- Support of Creative CA0132 DSP code
- A few fixes of HDSP driver
- USB-audio fix for Roland A-PRO, M-Audio FT C600
- Support PM for aloop driver (and fixes Oops)
- Compress API updates for gapless playback support
For ASoC part:
- Support for a wider range of hardware in the compressed stream code
- The ability to mute capture streams as well as playback streams
while inactive
- DT support for AK4642, FSI, Samsung I2S and WM8962
- AC'97 support for Tegra
- New driver for max98090, replacing the stub which was there
- A new driver from Dialog
Note that due to dependencies, DTification of DMA support for Samsung
platforms (used only by the and I2S driver and SPI) is merged here as
well."
Fix up trivial conflict in drivers/spi/spi-s3c64xx.c due to removed code
being changed.
* tag 'sound-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (453 commits)
ALSA: usb: Fix Processing Unit Descriptor parsers
ALSA: hda - hdmi: Notify userspace when ELD control changes
ALSA: hda - hdmi: Protect ELD buffer
ALSA: hda - hdmi: Refactor hdmi_eld into parsed_hdmi_eld
ALSA: hda - hdmi: Do not expose eld data when eld is invalid
ALSA: hda - hdmi: ELD shouldn't be valid after unplug
ALSA: hda - Fix the silent speaker output on Fujitsu S7020 laptop
ALSA: hda - add quirks for mute LED on two HP machines
ALSA: usb/quirks, fix out-of-bounds access
ASoC: codecs: Add da7213 codec
ALSA: au88x0 - Define channel map for au88x0
ALSA: compress: add support for gapless playback
ALSA: hda - Remove speaker clicks on CX20549
ALSA: hda - Disable runtime PM for Intel 5 Series/3400
ALSA: hda - Increase badness for missing multi-io
ASoC: arizona: Automatically manage input mutes
ALSA: hda - Fix broken workaround for HDMI/SPDIF conflicts
ALSA: hda/ca0132 - Add missing \n to debug prints
ALSA: hda/ca0132 - Fix type of INVALID_CHIP_ADDRESS
ALSA: hda - update documentation for no-primary-hp fixup
...
a system in the crash path. Plus a new mountpoint
(/sys/fs/pstore ... makes more sense then /dev/pstore).
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Merge tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux
Pull pstore patches from Tony Luck:
"A few fixes to reduce places where pstore might hang a system in the
crash path. Plus a new mountpoint (/sys/fs/pstore ... makes more
sense then /dev/pstore)."
Fix up trivial conflict in drivers/firmware/efivars.c
* tag 'please-pull-pstore' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
pstore: Create a convenient mount point for pstore
efi_pstore: Introducing workqueue updating sysfs
efivars: Disable external interrupt while holding efivars->lock
efi_pstore: Avoid deadlock in non-blocking paths
pstore: Avoid deadlock in panic and emergency-restart path
Pull security subsystem updates from James Morris:
"This is basically a maintenance update for the TPM driver and EVM/IMA"
Fix up conflicts in lib/digsig.c and security/integrity/ima/ima_main.c
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (45 commits)
tpm/ibmvtpm: build only when IBM pseries is configured
ima: digital signature verification using asymmetric keys
ima: rename hash calculation functions
ima: use new crypto_shash API instead of old crypto_hash
ima: add policy support for file system uuid
evm: add file system uuid to EVM hmac
tpm_tis: check pnp_acpi_device return code
char/tpm/tpm_i2c_stm_st33: drop temporary variable for return value
char/tpm/tpm_i2c_stm_st33: remove dead assignment in tpm_st33_i2c_probe
char/tpm/tpm_i2c_stm_st33: Remove __devexit attribute
char/tpm/tpm_i2c_stm_st33: Don't use memcpy for one byte assignment
tpm_i2c_stm_st33: removed unused variables/code
TPM: Wait for TPM_ACCESS tpmRegValidSts to go high at startup
tpm: Fix cancellation of TPM commands (interrupt mode)
tpm: Fix cancellation of TPM commands (polling mode)
tpm: Store TPM vendor ID
TPM: Work around buggy TPMs that block during continue self test
tpm_i2c_stm_st33: fix oops when i2c client is unavailable
char/tpm: Use struct dev_pm_ops for power management
TPM: STMicroelectronics ST33 I2C BUILD STUFF
...
Pull networking update from David Miller:
1) Checkpoint/restarted TCP sockets now can properly propagate the TCP
timestamp offset. From Andrey Vagin.
2) VMWARE VM VSOCK layer, from Andy King.
3) Much improved support for virtual functions and SR-IOV in bnx2x,
from Ariel ELior.
4) All protocols on ipv4 and ipv6 are now network namespace aware, and
all the compatability checks for initial-namespace-only protocols is
removed. Thanks to Tom Parkin for helping deal with the last major
holdout, L2TP.
5) IPV6 support in netpoll and network namespace support in pktgen,
from Cong Wang.
6) Multiple Registration Protocol (MRP) and Multiple VLAN Registration
Protocol (MVRP) support, from David Ward.
7) Compute packet lengths more accurately in the packet scheduler, from
Eric Dumazet.
8) Use per-task page fragment allocator in skb_append_datato_frags(),
also from Eric Dumazet.
9) Add support for connection tracking labels in netfilter, from
Florian Westphal.
10) Fix default multicast group joining on ipv6, and add anti-spoofing
checks to 6to4 and 6rd. From Hannes Frederic Sowa.
11) Make ipv4/ipv6 fragmentation memory limits more reasonable in modern
times, rearrange inet frag datastructures for better cacheline
locality, and move more operations outside of locking. From Jesper
Dangaard Brouer.
12) Instead of strict master <--> slave relationships, allow arbitrary
scenerios with "upper device lists". From Jiri Pirko.
13) Improve rate limiting accuracy in TBF and act_police, also from Jiri
Pirko.
14) Add a BPF filter netfilter match target, from Willem de Bruijn.
15) Orphan and delete a bunch of pre-historic networking drivers from
Paul Gortmaker.
16) Add TSO support for GRE tunnels, from Pravin B SHelar. Although
this still needs some minor bug fixing before it's %100 correct in
all cases.
17) Handle unresolved IPSEC states like ARP, with a resolution packet
queue. From Steffen Klassert.
18) Remove TCP Appropriate Byte Count support (ABC), from Stephen
Hemminger. This was long overdue.
19) Support SO_REUSEPORT, from Tom Herbert.
20) Allow locking a socket BPF filter, so that it cannot change after a
process drops capabilities.
21) Add VLAN filtering to bridge, from Vlad Yasevich.
22) Bring ipv6 on-par with ipv4 and do not cache neighbour entries in
the ipv6 routes, from YOSHIFUJI Hideaki.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1538 commits)
ipv6: fix race condition regarding dst->expires and dst->from.
net: fix a wrong assignment in skb_split()
ip_gre: remove an extra dst_release()
ppp: set qdisc_tx_busylock to avoid LOCKDEP splat
atl1c: restore buffer state
net: fix a build failure when !CONFIG_PROC_FS
net: ipv4: fix waring -Wunused-variable
net: proc: fix build failed when procfs is not configured
Revert "xen: netback: remove redundant xenvif_put"
net: move procfs code to net/core/net-procfs.c
qmi_wwan, cdc-ether: add ADU960S
bonding: set sysfs device_type to 'bond'
bonding: fix bond_release_all inconsistencies
b44: use netdev_alloc_skb_ip_align()
xen: netback: remove redundant xenvif_put
net: fec: Do a sanity check on the gpio number
ip_gre: propogate target device GSO capability to the tunnel device
ip_gre: allow CSUM capable devices to handle packets
bonding: Fix initialize after use for 3ad machine state spinlock
bonding: Fix race condition between bond_enslave() and bond_3ad_update_lacp_rate()
...
interface).
- Simple earlyprintk support.
- Platform devices populated by default from the DT (SoC-agnostic).
- CONTEXTIDR support (used by external trace tools).
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Merge tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 patches from Catalin Marinas:
- SMP support for the PSCI booting protocol (power state coordination
interface).
- Simple earlyprintk support.
- Platform devices populated by default from the DT (SoC-agnostic).
- CONTEXTIDR support (used by external trace tools).
* tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: mm: update CONTEXTIDR register to contain PID of current process
arm64: atomics: fix grossly inconsistent asm constraints for exclusives
arm64: compat: use compat_uptr_t type for compat_ucontext.uc_link
arm64: Select ARCH_WANT_FRAME_POINTERS
arm64: Add kvm_para.h and xor.h generic headers
arm64: SMP: enable PSCI boot method
arm64: psci: add support for PSCI invocations from the kernel
arm64: SMP: rework the SMP code to be enabling method agnostic
arm64: perf: add guest vs host discrimination
arm64: add COMPAT_PSR_*_BIT flags
arm64: Add simple earlyprintk support
arm64: Populate the platform devices
Pull ARM updates (part two) from Russell King:
- breakpoint and perf updates from Will Deacon.
- hypervisor boot mode updates from Will.
- support for Power State Coordination Interface via the Hypervisor
- core ARM support for KVM
* 'for-linus-2' of git://git.linaro.org/people/rmk/linux-arm: (32 commits)
KVM: ARM: Add maintainer entry for KVM/ARM
KVM: ARM: Power State Coordination Interface implementation
KVM: ARM: Handle I/O aborts
KVM: ARM: Handle guest faults in KVM
KVM: ARM: VFP userspace interface
KVM: ARM: Demux CCSIDR in the userspace API
KVM: ARM: User space API for getting/setting co-proc registers
KVM: ARM: Emulation framework and CP15 emulation
KVM: ARM: World-switch implementation
KVM: ARM: Inject IRQs and FIQs from userspace
KVM: ARM: Memory virtualization setup
KVM: ARM: Hypervisor initialization
KVM: ARM: Initial skeleton to compile KVM support
ARM: Section based HYP idmap
ARM: Add page table and page defines needed by KVM
ARM: perf: simplify __hw_perf_event_init err handling
ARM: perf: remove unnecessary checks for idx < 0
ARM: perf: handle armpmu_register failing
ARM: perf: don't pretend to support counting of L1I writes
ARM: perf: remove redundant NULL check on cpu_pmu
...
- Rework of the ACPI namespace scanning code from Rafael J. Wysocki
with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
Toshi Kani, and Yinghai Lu.
- ACPI power resources handling and ACPI device PM update from
Rafael J. Wysocki.
- ACPICA update to version 20130117 from Bob Moore and Lv Zheng
with contributions from Aaron Lu, Chao Guan, Jesper Juhl, and
Tim Gardner.
- Support for Intel Lynxpoint LPSS from Mika Westerberg.
- cpuidle update from Len Brown including Intel Haswell support, C1
state for intel_idle, removal of global pm_idle.
- cpuidle fixes and cleanups from Daniel Lezcano.
- cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri
with contributions from Stratos Karafotis and Rickard Andersson.
- Intel P-states driver for Sandy Bridge processors from
Dirk Brandewie.
- cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.
- cpufreq fixes related to ordering issues between acpi-cpufreq and
powernow-k8 from Borislav Petkov and Matthew Garrett.
- cpufreq support for Calxeda Highbank processors from Mark Langsdorf
and Rob Herring.
- cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
from Shawn Guo.
- cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
and Inderpal Singh.
- Support for "lightweight suspend" from Zhang Rui.
- Removal of the deprecated power trace API from Paul Gortmaker.
- Assorted updates from Andreas Fleig, Colin Ian King,
Davidlohr Bueso, Joseph Salisbury, Kees Cook, Li Fei,
Nishanth Menon, ShuoX Liu, Srinivas Pandruvada, Tejun Heo,
Thomas Renninger, and Yasuaki Ishimatsu.
/
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Merge tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
- Rework of the ACPI namespace scanning code from Rafael J. Wysocki
with contributions from Bjorn Helgaas, Jiang Liu, Mika Westerberg,
Toshi Kani, and Yinghai Lu.
- ACPI power resources handling and ACPI device PM update from Rafael
J Wysocki.
- ACPICA update to version 20130117 from Bob Moore and Lv Zheng with
contributions from Aaron Lu, Chao Guan, Jesper Juhl, and Tim Gardner.
- Support for Intel Lynxpoint LPSS from Mika Westerberg.
- cpuidle update from Len Brown including Intel Haswell support, C1
state for intel_idle, removal of global pm_idle.
- cpuidle fixes and cleanups from Daniel Lezcano.
- cpufreq fixes and cleanups from Viresh Kumar and Fabio Baltieri with
contributions from Stratos Karafotis and Rickard Andersson.
- Intel P-states driver for Sandy Bridge processors from Dirk
Brandewie.
- cpufreq driver for Marvell Kirkwood SoCs from Andrew Lunn.
- cpufreq fixes related to ordering issues between acpi-cpufreq and
powernow-k8 from Borislav Petkov and Matthew Garrett.
- cpufreq support for Calxeda Highbank processors from Mark Langsdorf
and Rob Herring.
- cpufreq driver for the Freescale i.MX6Q SoC and cpufreq-cpu0 update
from Shawn Guo.
- cpufreq Exynos fixes and cleanups from Jonghwan Choi, Sachin Kamat,
and Inderpal Singh.
- Support for "lightweight suspend" from Zhang Rui.
- Removal of the deprecated power trace API from Paul Gortmaker.
- Assorted updates from Andreas Fleig, Colin Ian King, Davidlohr Bueso,
Joseph Salisbury, Kees Cook, Li Fei, Nishanth Menon, ShuoX Liu,
Srinivas Pandruvada, Tejun Heo, Thomas Renninger, and Yasuaki
Ishimatsu.
* tag 'pm+acpi-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (267 commits)
PM idle: remove global declaration of pm_idle
unicore32 idle: delete stray pm_idle comment
openrisc idle: delete pm_idle
mn10300 idle: delete pm_idle
microblaze idle: delete pm_idle
m32r idle: delete pm_idle, and other dead idle code
ia64 idle: delete pm_idle
cris idle: delete idle and pm_idle
ARM64 idle: delete pm_idle
ARM idle: delete pm_idle
blackfin idle: delete pm_idle
sparc idle: rename pm_idle to sparc_idle
sh idle: rename global pm_idle to static sh_idle
x86 idle: rename global pm_idle to static x86_idle
APM idle: register apm_cpu_idle via cpuidle
cpufreq / intel_pstate: Add kernel command line option disable intel_pstate.
cpufreq / intel_pstate: Change to disallow module build
tools/power turbostat: display SMI count by default
intel_idle: export both C1 and C1E
ACPI / hotplug: Fix concurrency issues and memory leaks
...
All around device tree changes destined for v3.8. Aside from the
documentation updates the highlights in this branch include:
- Kbuild changes for using CPP with .dts files
- locking fix from preempt_rt patchset
- include DT alias names in device uevent
- Selftest bugfixes and improvements
- New function for counting phandles stanzas in a property
- constify argument to of_node_full_name()
- Various bug fixes
This tree did also contain a commit to use platform_device_add instead
of open-coding the device add code, but it caused problems with amba
devices and needed to be reverted.
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Merge tag 'dt-for-linus' of git://git.secretlab.ca/git/linux
Pull device tree changes from Grant Likely:
"All around device tree changes destined for v3.8. Aside from the
documentation updates the highlights in this branch include:
- Kbuild changes for using CPP with .dts files
- locking fix from preempt_rt patchset
- include DT alias names in device uevent
- Selftest bugfixes and improvements
- New function for counting phandles stanzas in a property
- constify argument to of_node_full_name()
- Various bug fixes
This tree did also contain a commit to use platform_device_add instead
of open-coding the device add code, but it caused problems with amba
devices and needed to be reverted."
* tag 'dt-for-linus' of git://git.secretlab.ca/git/linux: (23 commits)
Revert "of: use platform_device_add"
kbuild: limit dtc+cpp include path
gpio: Make of_count_named_gpios() use new of_count_phandle_with_args()
of: Create function for counting number of phandles in a property
of/base: Clean up exit paths for of_parse_phandle_with_args()
of/selftest: Use selftest() macro throughout
of/selftest: Fix GPIOs selftest to cover the 7th case
of: fix recursive locking in of_get_next_available_child()
documentation/devicetree: Fix a typo in exynos-dw-mshc.txt
OF: convert devtree lock from rw_lock to raw spinlock
of/exynos_g2d: Add Bindings for exynos G2D driver
kbuild: create a rule to run the pre-processor on *.dts files
input: Extend matrix-keypad device tree binding
devicetree: Move NS2 LEDs binding into LEDs directory
of: use platform_device_add
powerpc/5200: Fix size to request_mem_region() call
documentation/devicetree: Fix typos
of: add 'const' to of_node_full_name parameter
of: Output devicetree alias names in uevent
DT: add vendor prefixes for Renesas and Toshiba
...
Changes to both core spi code and spi device drivers. The driver
changes are the usual set of bug fixes and platform enablement. Core
code changes include:
- More intelligent assignment of SPI bus numbers when using DT
- Common mechanism for using gpios as CS lines
- Pull checks for bits_per_word and transfer speed out of drivers and
into core code
- Ensure temporary DMA buffers are DMA safe
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Merge tag 'spi-for-linus' of git://git.secretlab.ca/git/linux
Pull SPI changes from Grant Likely:
"Changes to both core spi code and spi device drivers. The driver
changes are the usual set of bug fixes and platform enablement.
Core code changes include:
- More intelligent assignment of SPI bus numbers when using DT
- Common mechanism for using gpios as CS lines
- Pull checks for bits_per_word and transfer speed out of drivers and
into core code
- Ensure temporary DMA buffers are DMA safe"
* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux: (50 commits)
spi: Document cs_gpios and cs_gpio in kernel-doc
spi/of: Fix initialization of cs_gpios array
spi/pxa2xx: add support for Lynxpoint SPI controllers
spi/pxa2xx: add support for Intel Low Power Subsystem SPI
spi/pxa2xx: add support for SPI_LOOP
spi/pxa2xx: add support for runtime PM
spi/pxa2xx: add support for DMA engine
spi/pxa2xx: break out the private DMA API usage into a separate file
spi/ath79: add shutdown handler
spi/mips-lantiq: set SPI_MASTER_HALF_DUPLEX flag
spi/mips-lantiq: make use of spi_finalize_current_message
spi/bcm63xx: work around inability to keep CS up
spi/davinci: use request_threaded_irq() to fix deadlock
spi/orion: Use module_platform_driver()
spi/bcm63xx: reject transfers unable to transfer
spi: Ensure memory used for spi_write_then_read() is DMA safe
spi/spi-mpc512x-psc: init mode bits supported by the driver
spi/mpc512x-psc: don't use obsolet cell-index property
spi: Remove erroneous __init, __exit and __exit_p() references in drivers
spi/s3c64xx: fix checkpatch warnings and error
...
None are dire enough to be Cc'd to stable which may be interpreted to
mean that users of the framework are reaching stability. Lots of new
adoption of this framework is via DeviceTree data and that comes through
the respective architecture and platform trees instead of through the
clk framework tree. Two new features are improved debugfs output and an
improvement to how DT clocks are initialized by reusing a common method.
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Merge tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux
Pull clock framework update from Michael Turquette:
"The common clock framework changes for 3.9 are almost entirely fixes.
None are dire enough to be Cc'd to stable which may be interpreted to
mean that users of the framework are reaching stability. Lots of new
adoption of this framework is via DeviceTree data and that comes
through the respective architecture and platform trees instead of
through the clk framework tree.
Two new features are improved debugfs output and an improvement to how
DT clocks are initialized by reusing a common method."
* tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (25 commits)
clk: sunxi: remove stale Makefile entry
clk: vexpress: Use common of_clk_init() function
clk: zynq: Use common of_clk_init() function
clk: vt8500: Use common of_clk_init() function
clk: highbank: Use common of_clk_init() function
clk: sunxi: Use common of_clk_init() function
clk: add common of_clk_init() function
clk: Deduplicate exit code in clk_set_rate
clk: beautify Makefile
clk-divider: fix macros
clk: prima2: enable dt-binding clkdev mapping
clk: mxs: Index is always positive
clk: max77686: Avoid double free at remove time
clk: remove exported function from __init section
clk: vt8500: Add support for WM8750/WM8850 PLL clocks
clk: vt8500: Fix division-by-0 when requested rate=0
clk: vt8500: Fix device clock divisor calculations
clk: vt8500: Fix error in PLL calculations on non-exact match.
clk: max77686: Remove unnecessary NULL checking for container_of()
clk: JSON debugfs clock tree summary
...
Pull input updates from Dmitry Torokhov:
"Two new touchpad drivers - Cypress APA I2C Trackpad and Cypress PS/2
touchpad and a big update to ALPS driver from Kevin Cernekee that adds
support for "Rushmore" touchpads and paves way for adding support for
"Dolphin" touchpads.
There is also a new input driver for Goldfish emulator and also
Android keyreset driver was folded into SysRq code.
A few more drivers were updated with device tree bindings and others
got some small cleanups and fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (55 commits)
Input: cyttsp-spi - remove duplicate MODULE_ALIAS()
Input: tsc2005 - add MODULE_ALIAS
Input: tegra-kbc - require CONFIG_OF, remove platform data
Input: synaptics - initialize pointer emulation usage
Input: MT - do not apply filtering on emulated events
Input: bma150 - make some defines public and fix some comments
Input: bma150 - fix checking pm_runtime_get_sync() return value
Input: ALPS - enable trackstick on Rushmore touchpads
Input: ALPS - add support for "Rushmore" touchpads
Input: ALPS - make the V3 packet field decoder "pluggable"
Input: ALPS - move pixel and bitmap info into alps_data struct
Input: ALPS - fix command mode check
Input: ALPS - rework detection of Pinnacle AGx touchpads
Input: ALPS - move {addr,nibble}_command settings into alps_set_defaults()
Input: ALPS - use function pointers for different protocol handlers
Input: ALPS - rework detection sequence
Input: ALPS - introduce helper function for repeated commands
Input: ALPS - move alps_get_model() down below hw_init code
Input: ALPS - copy "model" info into alps_data struct
Input: ALPS - document the alps.h data structures
...
o goldfish_battery:
This is Android Emulator battery driver. Originally from Google, but
Intel folks reshaped it for mainline;
o pm2301_charger:
A new driver for ST-Ericsson 2301 Power Management chip, uses AB8500
battery management core;
o qnap-poweroff:
The driver adds poweroff functionality for QNAP NAS boxes;
o restart-poweroff:
A generic driver that implements 'power off by restarting'. The actual
poweroff functionality is implemented through a bootloader, so Linux'
task is just to restart the box. The driver is useful on Buffalo
Linkstation LS-XHL and LS-CHLv2 boards. Andrew Lunn worked on
submitting the driver (as well as qnap-poweroff above).
- A lot of fixes for ab8500 drivers. This is a part of efforts of syncing
internal ST-Ericsson development tree with the mainline. Lee Jones @
Linaro worked on compilation and reshaping these series;
- New health properties for the power supplies: "Watchdog timer expire"
and "Safety timer expire";
- As usual, a bunch of fixes/cleanups here and there.
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Merge tag 'for-v3.9' of git://git.infradead.org/battery-2.6
Pull battery updates from Anton Vorontsov:
"Four new drivers:
- goldfish_battery:
This is Android Emulator battery driver. Originally from Google,
but Intel folks reshaped it for mainline
- pm2301_charger:
A new driver for ST-Ericsson 2301 Power Management chip, uses
AB8500 battery management core
- qnap-poweroff:
The driver adds poweroff functionality for QNAP NAS boxes
- restart-poweroff:
A generic driver that implements 'power off by restarting'. The
actual poweroff functionality is implemented through a bootloader,
so Linux' task is just to restart the box. The driver is useful on
Buffalo Linkstation LS-XHL and LS-CHLv2 boards. Andrew Lunn worked
on submitting the driver (as well as qnap-poweroff above).
Additionally:
- A lot of fixes for ab8500 drivers. This is a part of efforts of
syncing internal ST-Ericsson development tree with the mainline.
Lee Jones @ Linaro worked on compilation and reshaping these
series.
- New health properties for the power supplies: "Watchdog timer
expire" and "Safety timer expire"
- As usual, a bunch of fixes/cleanups here and there"
* tag 'for-v3.9' of git://git.infradead.org/battery-2.6: (81 commits)
bq2415x_charger: Add support for offline and 100mA mode
generic-adc-battery: Fix forever loop in gab_remove()
goldfish_battery: Add missing GENERIC_HARDIRQS dependency
da9030_battery: Include notifier.h
bq27x00_battery: Fix reporting battery temperature
power/reset: Remove newly introduced __dev* annotations
lp8727_charger: Small cleanup in naming
ab8500_btemp: Demote initcall sequence
ds2782_battery: Add power_supply_changed() calls for proper uevent support
power: Add battery driver for goldfish emulator
u8500-charger: Delay for USB enumeration
ab8500-bm: Remove individual [charger|btemp|fg|chargalg] pdata structures
ab8500-charger: Do not touch VBUSOVV bits
ab8500-fg: Use correct battery charge full design
pm2301: LPN mode control support
pm2301: Enable vbat low monitoring
ab8500-bm: Flush all work queues before suspending
ab8500-fg: Go to INIT_RECOVERY when charger removed
ab8500-charger: Add support for autopower on AB8505 and AB9540
abx500-chargalg: Add new sysfs interface to get current charge status
...
Fix up fairly straightforward conflicts in the ab8500 driver. But since
it seems to be ARM-specific, I can't even compile-test the result..
Added support for IT8771E, IT8772E, MAX34460, MAX34461, MCP98244,
and ADT7420 to existing drivers.
Added support for additional attributes to various drivers.
Replaced SENSORS_LIMIT with clamp_val; retire SENSORS_LIMIT;
Clean up PMBus code to reduce its size; clean up adt7410 driver.
A couple of minor bug fixes as well as documentation cleanup.
Out-of-tree change: Replace SENSORS_LIMIT with clamp_val in
platform/x86/eeepc-laptop driver.
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- New drivers for MAX6697 and compatibles and for INA209.
- Added support for IT8771E, IT8772E, MAX34460, MAX34461, MCP98244, and
ADT7420 to existing drivers.
- Added support for additional attributes to various drivers.
- Replaced SENSORS_LIMIT with clamp_val; retire SENSORS_LIMIT;
- Clean up PMBus code to reduce its size; clean up adt7410 driver.
- A couple of minor bug fixes as well as documentation cleanup.
- Out-of-tree change: Replace SENSORS_LIMIT with clamp_val in
platform/x86/eeepc-laptop driver.
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (32 commits)
hwmon: (ntc_thermistor): Fix sparse warnings
hwmon: (adt7410) Add device table entry for the adt7420
hwmon: (adt7410) Use I2C_ADDRS helper macro
hwmon: (adt7410) Use the SIMPLE_DEV_PM_OPS helper macro
hwmon: (adt7410) Let suspend/resume depend on CONFIG_PM_SLEEP
hwmon: (adt7410) Clear unwanted bits in the config register
hwmon: (jc42) Add support for MCP98244
hwmon: (pmbus) Clean up for code size reduction
hwmon: (pmbus/max34440) Add support for MAX34460 and MAX34461
hwmon: (pmbus) Add support for word status register
hwmon: (pmbus/zl6100) Add support for VMON/VDRV
hwmon: (pmbus) Add function to clear sensor cache
hwmon: (pmbus) Add support for additional voltage sensor
hwmon: (pmbus) Use krealloc to allocate attribute memory
hwmon: (pmbus) Simplify memory allocation for sensor attributes
hwmon: (pmbus) Improve boolean handling
hwmon: (pmbus) Simplify memory allocation for labels and booleans
hwmon: (pmbus) Use dev variable to represent client->dev
hwmon: (pmbus) Fix 'Macros with multiple statements' checkpatch error
hwmon: (pmbus) Drop unnecessary error messages in probe error path
...
- Grabbing of default pinctrl handles from the device core.
These are the hunks hitting drivers/base. All is ACKed by
Greg, after a long discussion about different alternatives.
- Some stuff also touches the MFD and ARM SoC trees, this has
been coordinated and ACKed.
- New drivers for:
- The Tegra 114 sub-SoC
- Allwinner sunxi
- New ABx500 driver and sub-SoC drivers for AB8500,
AB8505, AB9540 and AB8540.
- Make it possible for hogged pins to enter a sleep mode,
and make it possible for drivers to control that mode.
- Various clean-up, extensions and device tree support to
various pin controllers.
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Merge tag 'pinctrl-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pinctrl changes from Linus Walleij:
"These are the main pinctrl changes for the v3.9 merge window. The
most interesting change by far is how the device core grabs pinctrl
default handles avoiding the need to stick boilerplate into driver
consumers.
- Grabbing of default pinctrl handles from the device core. These
are the hunks hitting drivers/base. All is ACKed by Greg, after a
long discussion about different alternatives.
- Some stuff also touches the MFD and ARM SoC trees, this has been
coordinated and ACKed.
- New drivers for:
- The Tegra 114 sub-SoC
- Allwinner sunxi
- New ABx500 driver and sub-SoC drivers for AB8500, AB8505, AB9540
and AB8540.
- Make it possible for hogged pins to enter a sleep mode, and make it
possible for drivers to control that mode.
- Various clean-up, extensions and device tree support to various pin
controllers."
* tag 'pinctrl-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (68 commits)
pinctrl: tegra: add clfvs function to Tegra114 support
pinctrl: generic: rename input schmitt disable
pinctrl/pinconfig: add debug interface
pinctrl: samsung: remove duplicated line
ARM: ux500: use real AB8500 IRQ numbers instead of virtual ones
ARM: ux500: remove irq_base property from platform_data
pinctrl/abx500: use direct IRQ defines
pinctrl/abx500: replace IRQ offsets with table read-in values
pinctrl/abx500: move IRQ handling to ab8500-core
pinctrl: exynos5440: remove erroneous __init
pinctrl/abx500: adjust offset for get_mode()
pinctrl/abx500: add Device Tree support
pinctrl/abx500: align GPIO cluster boundaries
pinctrl/abx500: prevent error path from corrupting returning error
pinctrl: sunxi: add of_xlate function
pinctrl/lantiq: fix pin number in ltq_pmx_gpio_request_enable
pinctrl/lantiq: add functionality to falcon_pinconf_dbg_show
pinctrl/lantiq: fix pinconfig parameters
pinctrl/lantiq: one of the boot leds was defined incorrectly
pinctrl/lantiq: only probe available pad controllers
...
A fairly quiet release for the regulator API, the bulk of the changes
being lots of small cleanups and API updates contributed by Axel Lin
with just a small set of larger changes:
- New driver for LP8755
- DT support for S5M8767, TPS51632, TPS6507x and TPS65090
- Support for writing a "commit changes" bit in the regmap helper
functions.
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Merge tag 'regulator-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"A fairly quiet release for the regulator API, the bulk of the changes
being lots of small cleanups and API updates contributed by Axel Lin
with just a small set of larger changes:
- New driver for LP8755
- DT support for S5M8767, TPS51632, TPS6507x and TPS65090
- Support for writing a "commit changes" bit in the regmap helper
functions."
* tag 'regulator-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (60 commits)
regulator: Fix memory garbage dev_err printout.
regulator: max77686: Reuse rdev_get_id() function.
regulator: tps51632: Use regulator_[get|set]_voltage_sel_regmap
regulator: as3711: Fix checking if no platform initialization data
regulator: s5m8767: Prevent possible NULL pointer dereference
regulator: s5m8767: Fix dev argument for devm_kzalloc and of_get_regulator_init_data
regulator: core: Optimize _regulator_do_set_voltage if voltage does not change
regulator: max8998: Let regulator core handle the case selector == old_selector
regulator: s5m8767: Use of_get_child_count()
regulator: anatop: improve precision of delay time
regulator: show state for GPIO-controlled regulators
regulator: s5m8767: Fix build in non-DT case
regulator: add device tree support for s5m8767
regulator: palmas: Remove a redundant setting for warm_reset
regulator: mc13xxx: Use of_get_child_count()
regulator: max8997: Use of_get_child_count()
regulator: tps65090: Fix using wrong dev argument for calling of_regulator_match
regulators: anatop: add set_voltage_time_sel interface
regulator: Add missing of_node_put()
regulator: tps6507x: Fix using wrong dev argument for calling of_regulator_match
...
Pull cgroup changes from Tejun Heo:
"Nothing too drastic.
- Removal of synchronize_rcu() from userland visible paths.
- Various fixes and cleanups from Li.
- cgroup_rightmost_descendant() added which will be used by cpuset
changes (it will be a separate pull request)."
* 'for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: fail if monitored file and event_control are in different cgroup
cgroup: fix cgroup_rmdir() vs close(eventfd) race
cpuset: fix cpuset_print_task_mems_allowed() vs rename() race
cgroup: fix exit() vs rmdir() race
cgroup: remove bogus comments in cgroup_diput()
cgroup: remove synchronize_rcu() from cgroup_diput()
cgroup: remove duplicate RCU free on struct cgroup
sched: remove redundant NULL cgroup check in task_group_path()
sched: split out css_online/css_offline from tg creation/destruction
cgroup: initialize cgrp->dentry before css_alloc()
cgroup: remove a NULL check in cgroup_exit()
cgroup: fix bogus kernel warnings when cgroup_create() failed
cgroup: remove synchronize_rcu() from rebind_subsystems()
cgroup: remove synchronize_rcu() from cgroup_attach_{task|proc}()
cgroup: use new hashtable implementation
cgroups: fix cgroup_event_listener error handling
cgroups: move cgroup_event_listener.c to tools/cgroup
cgroup: implement cgroup_rightmost_descendant()
cgroup: remove unused dummy cgroup_fork_callbacks()
Nothing terribly exciting in here probably:
- reworked thermal stuff from mupuf/I, has a chance of possibly working
well enough when we get to being able to reclock..
- driver will report mmio access faults on chipsets where it's supported
- will now sleep waiting on fences on nv84+ rather than polling
- some cleanup of the internal fencing, looking towards sli/dmabuf sync
- initial support for anx9805 dp/tmds encoder
- nv50+ display fixes related to the above, and also might fix a few
other issues
- nicer error reporting (will log process names with channel errors)
- various other random fixes
* 'drm-nouveau-next' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (87 commits)
nouveau: ACPI support depends on X86 and X86_PLATFORM_DEVICES
drm/nouveau/i2c: add support for ddc/aux, and dp link training on anx9805
drm/nv50: initial kms support for off-chip TMDS/DP encoders
drm/nv50-/disp: initial supervisor support for off-chip encoders
drm/nv50-/disp: initial work towards supporting external encoders
drm/nv50-/kms: remove unnecessary wait-for-completion points
drm/nv50-/disp: move DP link training to core and train from supervisor
drm/nv50-/disp: handle supervisor tasks from workqueue
drm/nouveau/i2c: create proper chipset-specific class implementations
drm/nv50-/disp: 0x0000 is a valid udisp config value
drm/nv50/devinit: reverse the logic for running encoder init scripts
drm/nouveau/bios: store a type/mask hash in parsed dcb data
drm/nouveau/i2c: extend type to 16-bits, add lookup-by-type function
drm/nouveau/i2c: aux channels not necessarily on nvio
drm/nouveau/i2c: fix a bit of a thinko in nv_wri2cr helper functions
drm/nouveau/bios: parse external transmitter type if off-chip
drm/nouveau: store i2c port pointer directly in nouveau_encoder
drm/nouveau/i2c: handle i2c/aux mux outside of port lookup function
drm/nv50/graph: avoid touching 400724, it doesn't exist
drm/nouveau: Fix DPMS 1 on G4 Snowball, from snow white to coal black.
...
Pull x86 platform changes from Ingo Molnar:
- Support for the Technologic Systems TS-5500 platform, by Vivien
Didelot
- Improved NUMA support on AMD systems:
Add support for federated systems where multiple memory controllers
can exist and see each other over multiple PCI domains. This
basically means that AMD node ids can be more than 8 now and the code
handling this is taught to incorporate PCI domain into those IDs.
- Support for the Goldfish virtual Android emulator, by Jun Nakajima,
Intel, Google, et al.
- Misc fixlets.
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Add TS-5500 platform support
x86/srat: Simplify memory affinity init error handling
x86/apb/timer: Remove unnecessary "if"
goldfish: platform device for x86
amd64_edac: Fix type usage in NB IDs and memory ranges
amd64_edac: Fix PCI function lookup
x86, AMD, NB: Use u16 for northbridge IDs in amd_get_nb_id
x86, AMD, NB: Add multi-domain support
Pull x86/apic changes from Ingo Molnar:
"Main changes:
- Multiple MSI support added to the APIC, PCI and AHCI code - acked
by all relevant maintainers, by Alexander Gordeev.
The advantage is that multiple AHCI ports can have multiple MSI
irqs assigned, and can thus spread to multiple CPUs.
[ Drivers can make use of this new facility via the
pci_enable_msi_block_auto() method ]
- x86 IOAPIC code from interrupt remapping cleanups from Joerg
Roedel:
These patches move all interrupt remapping specific checks out of
the x86 core code and replaces the respective call-sites with
function pointers. As a result the interrupt remapping code is
better abstraced from x86 core interrupt handling code.
- Various smaller improvements, fixes and cleanups."
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
x86/intel/irq_remapping: Clean up x2apic opt-out security warning mess
x86, kvm: Fix intialization warnings in kvm.c
x86, irq: Move irq_remapped out of x86 core code
x86, io_apic: Introduce eoi_ioapic_pin call-back
x86, msi: Introduce x86_msi.compose_msi_msg call-back
x86, irq: Introduce setup_remapped_irq()
x86, irq: Move irq_remapped() check into free_remapped_irq
x86, io-apic: Remove !irq_remapped() check from __target_IO_APIC_irq()
x86, io-apic: Move CONFIG_IRQ_REMAP code out of x86 core
x86, irq: Add data structure to keep AMD specific irq remapping information
x86, irq: Move irq_remapping_enabled declaration to iommu code
x86, io_apic: Remove irq_remapping_enabled check in setup_timer_IRQ0_pin
x86, io_apic: Move irq_remapping_enabled checks out of check_timer()
x86, io_apic: Convert setup_ioapic_entry to function pointer
x86, io_apic: Introduce set_affinity function pointer
x86, msi: Use IRQ remapping specific setup_msi_irqs routine
x86, hpet: Introduce x86_msi_ops.setup_hpet_msi
x86, io_apic: Introduce x86_io_apic_ops.print_entries for debugging
x86, io_apic: Introduce x86_io_apic_ops.disable()
x86, apic: Mask IO-APIC and PIC unconditionally on LAPIC resume
...
Pull perf changes from Ingo Molnar:
"There are lots of improvements, the biggest changes are:
Main kernel side changes:
- Improve uprobes performance by adding 'pre-filtering' support, by
Oleg Nesterov.
- Make some POWER7 events available in sysfs, equivalent to what was
done on x86, from Sukadev Bhattiprolu.
- tracing updates by Steve Rostedt - mostly misc fixes and smaller
improvements.
- Use perf/event tracing to report PCI Express advanced errors, by
Tony Luck.
- Enable northbridge performance counters on AMD family 15h, by Jacob
Shin.
- This tracing commit:
tracing: Remove the extra 4 bytes of padding in events
changes the ABI. All involved parties (PowerTop in particular)
seem to agree that it's safe to do now with the introduction of
libtraceevent, but the devil is in the details ...
Main tooling side changes:
- Add 'event group view', from Namyung Kim:
To use it, 'perf record' should group events when recording. And
then perf report parses the saved group relation from file header
and prints them together if --group option is provided. You can
use the 'perf evlist' command to see event group information:
$ perf record -e '{ref-cycles,cycles}' noploop 1
[ perf record: Woken up 2 times to write data ]
[ perf record: Captured and wrote 0.385 MB perf.data (~16807 samples) ]
$ perf evlist --group
{ref-cycles,cycles}
With this example, default perf report will show you each event
separately.
You can use --group option to enable event group view:
$ perf report --group
...
# group: {ref-cycles,cycles}
# ========
# Samples: 7K of event 'anon group { ref-cycles, cycles }'
# Event count (approx.): 6876107743
#
# Overhead Command Shared Object Symbol
# ................ ....... ................. ..........................
99.84% 99.76% noploop noploop [.] main
0.07% 0.00% noploop ld-2.15.so [.] strcmp
0.03% 0.00% noploop [kernel.kallsyms] [k] timerqueue_del
0.03% 0.03% noploop [kernel.kallsyms] [k] sched_clock_cpu
0.02% 0.00% noploop [kernel.kallsyms] [k] account_user_time
0.01% 0.00% noploop [kernel.kallsyms] [k] __alloc_pages_nodemask
0.00% 0.00% noploop [kernel.kallsyms] [k] native_write_msr_safe
0.00% 0.11% noploop [kernel.kallsyms] [k] _raw_spin_lock
0.00% 0.06% noploop [kernel.kallsyms] [k] find_get_page
0.00% 0.02% noploop [kernel.kallsyms] [k] rcu_check_callbacks
0.00% 0.02% noploop [kernel.kallsyms] [k] __current_kernel_time
As you can see the Overhead column now contains both of ref-cycles
and cycles and header line shows group information also - 'anon
group { ref-cycles, cycles }'. The output is sorted by period of
group leader first.
- Initial GTK+ annotate browser, from Namhyung Kim.
- Add option for runtime switching perf data file in perf report,
just press 's' and a menu with the valid files found in the current
directory will be presented, from Feng Tang.
- Add support to display whole group data for raw columns, from Jiri
Olsa.
- Add per processor socket count aggregation in perf stat, from
Stephane Eranian.
- Add interval printing in 'perf stat', from Stephane Eranian.
- 'perf test' improvements
- Add support for wildcards in tracepoint system name, from Jiri
Olsa.
- Add anonymous huge page recognition, from Joshua Zhu.
- perf build-id cache now can show DSOs present in a perf.data file
that are not in the cache, to integrate with build-id servers being
put in place by organizations such as Fedora.
- perf top now shares more of the evsel config/creation routines with
'record', paving the way for further integration like 'top'
snapshots, etc.
- perf top now supports DWARF callchains.
- Fix mmap limitations on 32-bit, fix from David Miller.
- 'perf bench numa mem' NUMA performance measurement suite
- ... and lots of fixes, performance improvements, cleanups and other
improvements I failed to list - see the shortlog and git log for
details."
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (270 commits)
perf/x86/amd: Enable northbridge performance counters on AMD family 15h
perf/hwbp: Fix cleanup in case of kzalloc failure
perf tools: Fix build with bison 2.3 and older.
perf tools: Limit unwind support to x86 archs
perf annotate: Make it to be able to skip unannotatable symbols
perf gtk/annotate: Fail early if it can't annotate
perf gtk/annotate: Show source lines with gray color
perf gtk/annotate: Support multiple event annotation
perf ui/gtk: Implement basic GTK2 annotation browser
perf annotate: Fix warning message on a missing vmlinux
perf buildid-cache: Add --update option
uprobes/perf: Avoid uprobe_apply() whenever possible
uprobes/perf: Teach trace_uprobe/perf code to use UPROBE_HANDLER_REMOVE
uprobes/perf: Teach trace_uprobe/perf code to pre-filter
uprobes/perf: Teach trace_uprobe/perf code to track the active perf_event's
uprobes: Introduce uprobe_apply()
perf: Introduce hw_perf_event->tp_target and ->tp_list
uprobes/perf: Always increment trace_uprobe->nhit
uprobes/tracing: Kill uprobe_trace_consumer, embed uprobe_consumer into trace_uprobe
uprobes/tracing: Introduce is_trace_uprobe_enabled()
...
Pull RCU changes from Ingo Molnar:
"SRCU changes:
- These include debugging aids, updates that move towards the goal of
permitting srcu_read_lock() and srcu_read_unlock() to be used from
idle and offline CPUs, and a few small fixes.
Changes to rcutorture and to RCU documentation:
- Posted to LKML at https://lkml.org/lkml/2013/1/26/188
Enhancements to uniprocessor handling in tiny RCU:
- Posted to LKML at https://lkml.org/lkml/2013/1/27/2
Tag RCU callbacks with grace-period number to simplify callback
advancement:
- Posted to LKML at https://lkml.org/lkml/2013/1/26/203
Miscellaneous fixes:
- Posted to LKML at https://lkml.org/lkml/2013/1/26/204"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
srcu: use ACCESS_ONCE() to access sp->completed in srcu_read_lock()
srcu: Update synchronize_srcu_expedited()'s comments
srcu: Update synchronize_srcu()'s comments
srcu: Remove checks preventing idle CPUs from calling srcu_read_lock()
srcu: Remove checks preventing offline CPUs from calling srcu_read_lock()
srcu: Simple cleanup for cleanup_srcu_struct()
srcu: Add might_sleep() annotation to synchronize_srcu()
srcu: Simplify __srcu_read_unlock() via this_cpu_dec()
rcu: Allow rcutorture to be built at low optimization levels
rcu: Make rcutorture's shuffler task shuffle recently added tasks
rcu: Allow TREE_PREEMPT_RCU on UP systems
rcu: Provide RCU CPU stall warnings for tiny RCU
context_tracking: Add comments on interface and internals
rcu: Remove obsolete Kconfig option from comment
rcu: Remove unused code originally used for context tracking
rcu: Consolidate debugging Kconfig options
rcu: Correct 'optimized' to 'optimize' in header comment
rcu: Trace callback acceleration
rcu: Tag callback lists with corresponding grace-period number
rcutorture: Don't compare ptr with 0
...
Add an output panel driver for LCD panels. Tested with LCD3 cape on
beaglebone.
v1: original
v2: s/of_find_node_by_name()/of_get_child_by_name()/ from Pantelis
Antoniou
v3: add backlight support
v4: rebase to latest of video timing helpers
v5: remove some unneeded fields from panel-info struct, add DT bindings
docs
Signed-off-by: Rob Clark <robdclark@gmail.com>
Tested-by: Koen Kooi <koen@dominion.thruhere.net>
Add output panel driver for i2c encoder slaves.
v1: original
v2: add DT bindings docs, and minor updates for review comments
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Koen Kooi <koen@dominion.thruhere.net>
A simple DRM/KMS driver for the TI LCD Controller found in various
smaller TI parts (AM33xx, OMAPL138, etc). This driver uses the
CMA helpers. Currently only the TFP410 DVI encoder is supported
(tested with beaglebone + DVI cape). There are also various LCD
displays, for which support can be added (as I get hw to test on),
and an external i2c HDMI encoder found on some boards.
The display controller supports a single CRTC. And the encoder+
connector are split out into sub-devices. Depending on which LCD
or external encoder is actually present, the appropriate output
module(s) will be loaded.
v1: original
v2: fix fb refcnting and few other cleanups
v3: get +/- vsync/hsync from timings rather than panel-info, add
option DT max-bandwidth field so driver doesn't attempt to
pick a display mode with too high memory bandwidth, and other
small cleanups
v4: remove some unneeded stuff from panel-info struct, properly
set high bits for hfp/hsw/hbp for rev 2, add DT bindings docs
Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Tested-by: Koen Kooi <koen@dominion.thruhere.net>
that were dropped from linux next because of the merge conflicts
as requested by me and Olof. The reason was that at this point
we really should be able to do the arch/arm related changes
separately from driver changes to avoid dependencies between
branches.
These patches were initially part of the USB related MFD patches.
Based on our comments, Roger Quadros quickly reworked these
patches into a shared branch between ARM SoC tree and the MFD
tree, then separate patches for the OMAP platform data and
MFD driver.
Note that this branch will conflict with c1d1cd597f
("ARM: OMAP2+: omap_device: remove obsolete pm_lats and
early_device code"). Please see http://lkml.org/lkml/2013/2/11/16
for the merge resolution.
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Merge tag 'omap-for-v3.9/usb-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
These changes contain the OMAP USB related platform data changes
that were dropped from linux next because of the merge conflicts
as requested by me and Olof. The reason was that at this point
we really should be able to do the arch/arm related changes
separately from driver changes to avoid dependencies between
branches.
These patches were initially part of the USB related MFD patches.
Based on our comments, Roger Quadros quickly reworked these
patches into a shared branch between ARM SoC tree and the MFD
tree, then separate patches for the OMAP platform data and
MFD driver.
Note that this branch will conflict with c1d1cd597f
("ARM: OMAP2+: omap_device: remove obsolete pm_lats and
early_device code"). Please see http://lkml.org/lkml/2013/2/11/16
for the merge resolution.
[arnd - resolved the merge conflict]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The ThingM blink(1) is an open source hardware USB RGB LED. It contains
an internal EEPROM, allowing to configure up to 12 light patterns. A
light pattern is a RGB color plus a fade time. This driver registers a
LED class instance with additional sysfs attributes to support basic
functions such as setting RGB colors, fade and playing. Other functions
are still accessible through the hidraw interface.
At this time, the only documentation for the device is the firmware
source code from ThingM, plus a few schematics. They are available at:
https://github.com/todbot/blink1
This patch is version 3. It updates the name of the source file, the
driver and the led sysfs entry, according to comments from Jiri Kosina
and Simon Wood.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull in 'net' to take in the bug fixes that didn't make it into
3.8-final.
Also, deal with the semantic conflict of the change made to
net/ipv6/xfrm6_policy.c A missing rt6->n neighbour release
was added to 'net', but in 'net-next' we no longer cache the
neighbour entries in the ipv6 routes so that change is not
appropriate there.
Signed-off-by: David S. Miller <davem@davemloft.net>
Previously we used to get EXPORT_SYMBOL and friends from
module.h but we moved away from that since module.h largely
includes the entire header space one way or another.
As most users just wanted the simple export related macros,
they were spun off into a separate new header -- export.h
Update the docs to reflect that.
Suggested-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
It seems there are about 80 new, but undocumented addtions at
the top level Documentation directory. This fixes up the top
level 00-INDEX by adding new entries and deleting a couple orphans.
Some subdirs could probably still use a check/cleanup too though.
Acked-by: Rob Landley <rob@landley.net>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
When intel_pstate is configured into the kernel it will become the
preferred scaling driver for processors that it supports. Allow the
user to override this by adding:
intel_pstate=disable
on the kernel command line.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This patch adds the SMBus Device IDs for the Intel Wellsburg PCH
Signed-off-by: James Ralston <james.d.ralston@intel.com>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
* arc-uart platform device now populated dynamically, using
of_platform_populate() - applies to any other device whatsoever.
* uart in turn requires incore arc-intc to be also present in DT
* A irq-domain needs to be instantiated for IRQ requests by DT probed
device (e.g. arc-uart)
TODO: switch over to linear irq domain once all devs have been
transitioned to DT
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Arnd Bergmann <arnd@arndb.de>
* pm-cpufreq: (55 commits)
cpufreq / intel_pstate: Fix 32 bit build
cpufreq: conservative: Fix typos in comments
cpufreq: ondemand: Fix typos in comments
cpufreq: exynos: simplify .init() for setting policy->cpus
cpufreq: kirkwood: Add a cpufreq driver for Marvell Kirkwood SoCs
cpufreq/x86: Add P-state driver for sandy bridge.
cpufreq_stats: do not remove sysfs files if frequency table is not present
cpufreq: Do not track governor name for scaling drivers with internal governors.
cpufreq: Only call cpufreq_out_of_sync() for driver that implement cpufreq_driver.target()
cpufreq: Retrieve current frequency from scaling drivers with internal governors
cpufreq: Fix locking issues
cpufreq: Create a macro for unlock_policy_rwsem{read,write}
cpufreq: Remove unused HOTPLUG_CPU code
cpufreq: governors: Fix WARN_ON() for multi-policy platforms
cpufreq: ondemand: Replace down_differential tuner with adj_up_threshold
cpufreq / stats: Get rid of CPUFREQ_STATDEVICE_ATTR
cpufreq: Don't check cpu_online(policy->cpu)
cpufreq: add imx6q-cpufreq driver
cpufreq: Don't remove sysfs link for policy->cpu
cpufreq: Remove unnecessary use of policy->shared_type
...
* acpi-cleanup: (21 commits)
ACPI / hotplug: Fix concurrency issues and memory leaks
ACPI: Remove the use of CONFIG_ACPI_CONTAINER_MODULE
ACPI / scan: Full transition to D3cold in acpi_device_unregister()
ACPI / scan: Make acpi_bus_hot_remove_device() acquire the scan lock
ACPI: Drop the container.h header file
ACPI / Documentation: refer to correct file for acpi_platform_device_ids[] table
ACPI / scan: Make container driver use struct acpi_scan_handler
ACPI / scan: Remove useless #ifndef from acpi_eject_store()
ACPI: Unbind ACPI drv when probe failed
ACPI: sysfs eject support for ACPI scan handlers
ACPI / scan: Follow priorities of IDs when matching scan handlers
ACPI / PCI: pci_slot: replace printk(KERN_xxx) with pr_xxx()
ACPI / dock: Fix acpi_bus_get_device() check in drivers/acpi/dock.c
ACPI / scan: Clean up acpi_bus_get_parent()
ACPI / platform: Use struct acpi_scan_handler for creating devices
ACPI / PCI: Make PCI IRQ link driver use struct acpi_scan_handler
ACPI / PCI: Make PCI root driver use struct acpi_scan_handler
ACPI / scan: Introduce struct acpi_scan_handler
ACPI / scan: Make scanning of fixed devices follow the general scheme
ACPI: Drop device start operation that is not used
...
Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
this add new API for sound compress to support gapless playback.
As noted in Documentation change, we add API to send metadata of encoder and
padding delay to DSP. Also add API for indicating EOF and switching to
subsequent track
Also bump the compress API version
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Add device tree support for the TI PMIC TPS65090.
The device can be registered through platform or DT.
Add device tree binding document for this device.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Now that the fbdev helper interface for drivers is trimmed down,
update the kerneldoc for all the remaining exported functions.
I've tried to beat the DocBook a bit by reordering the function
references a bit into a more sensible ordering. But that didn't work
out at all. Hence just extend the in-code DOC: section a bit.
Also remove the LOCKING: sections - especially for the setup functions
they're totally bogus. But that's not a documentation problem, but
simply an artifact of the current rather hazardous locking around drm
init and even more so around fbdev setup ...
v2: Some further improvements:
- Also add documentation for drm_fb_helper_single_add_all_connectors,
Dave Airlie didn't want me to kill this one from the fb helper
interface.
- Update docs for drm_fb_helper_fill_var/fix - they should be used
from the driver's ->fb_probe callback to setup the fbdev info
structure.
- Clarify what the ->fb_probe callback should all do - it needs to
setup both the fbdev info and allocate the drm framebuffer used as
backing storage.
- Add basic documentaation for the drm_fb_helper_funcs driver callback
vfunc.
v3: Implement clarifications Laurent Pinchart suggested in his review.
v4: Fix another mispelling Laurent spotted.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This patch adds device tree parsing for gpio_ir_recv platform_data and
the mandatory binding documentation. It basically follows what we already
have for e.g. gpio_keys. All required device tree properties are OS
independent but an optional property allows linux specific support for rc
maps.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Patch adds information about using v4l2-ctl utility to tune the si470x
radio and example how to use sox+alsa to redirect sound from radio sound
device to another sound device.
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The PAMU caches use the LIODNs to determine which cache lines hold the
entries for the corresponding LIODs. The LIODNs must therefore be
carefully assigned to avoid cache thrashing -- two active LIODs with
LIODNs that put them in the same cache line.
Currently, LIODNs are statically assigned by U-Boot, but this has
limitations. LIODNs are assigned even for devices that may be disabled
or unused by the kernel. Static assignments also do not allow for device
drivers which may know which LIODs can be used simultaneously. In
other words, we really should assign LIODNs dynamically in Linux.
To do that, we need to describe the PAMU device and cache topologies in
the device trees.
Signed-off-by: Timur Tabi <timur@freescale.com>
Acked-by: Stuart Yoder <stuart.yoder@freescale.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This new property defines the era of the particular SEC version.
The compatible property in device tree "crypto" node has been updated
not to contain SEC era numbers.
Signed-off-by: Vakul Garg <vakul@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
When the ACPI platform device code was converted to the new ACPI scan
handler facility, the the acpi_platform_device_ids[] was moved to
drivers/acpi/acpi_platform.c. Update the documentation accordingly.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Some tweaking and updates on device tree sources
- Enable imx6q-cpufreq support for device tree boot
- IMX/MXC onewire driver device tree conversion. Onewire maintainer
Evgeniy Polyakov gives his ACK to bless it go via arm-soc tree.
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Merge tag 'imx-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6 into late/dt
From Shawn Guo:
imx device tree changes for 3.9
- Some tweaking and updates on device tree sources
- Enable imx6q-cpufreq support for device tree boot
- IMX/MXC onewire driver device tree conversion. Onewire maintainer
Evgeniy Polyakov gives his ACK to bless it go via arm-soc tree.
* tag 'imx-dt-3.9' of git://git.linaro.org/people/shawnguo/linux-2.6: (22 commits)
ARM: dts: add dtsi for imx6q and imx6dl
ARM: dts: rename imx6q.dtsi to imx6qdl.dtsi
ARM: dts: i.MX6: Add regulator delay support
ARM: dts: Add device tree entry for onewire master on i.MX53
ARM: i.MX53: Add clocks for i.mx53 onewire master.
W1: Add device tree support to MXC onewire master.
ARM: imx: enable imx6q-cpufreq support
ARM: dts: Add apf51 basic support
ARM i.MX6: change mxs usbphy clock usage
ARM: dts: imx6q: Remove silicon version from SDMA firmware
ARM i.MX53: dts: add oftree for MBa53 baseboard
ARM i.MX53: add dts for the TQ tqma53 module
ARM: dts: imx53: pinctrl update
ARM i.MX51 babbage: Add keypad support
ARM: dts: imx: Add imx51 KPP entry
ARM: dts: imx25-karo-tx25: Put status entry in the end
ARM: mx25pdk: Add device tree support
ARM: dts: imx: use nodes label in board dts
ARM: dts: add missing imx dtb targets
ARM: boot: dts: Add an entry for imx27-pdk.dtb
...
This is a branch of fixes that originally were scheduled for 3.8 but
due to the request from Linus to hold back on all but the most critical
of fixes, we're re-queueing them for 3.9 here.
* fixes-for-3.9:
ARM: dts: imx6: fix fec ptp clock slow 10 time
ARM: highbank: mask cluster id from cpu_logical_map
ARM: scu: mask cluster id from cpu_logical_map
ARM: scu: add empty scu_enable for !CONFIG_SMP
ARM: at91/at91sam9x5.dtsi: fix usart3 TXD
ARM: at91: at91sam9x5: fix usart3 pinctrl name
ARM: EXYNOS: Fix crash on soft reset on EXYNOS5440
ARM: dts: fix tick and alarm irq numbers for exynos5440
ARM: dts: fix compatible value for exynos pinctrl
ARM: dts: Fix compatible value of pinctrl module on EXYNOS5440
ARM: S3C24XX: fix uninitialized variable warning
mfd/vexpress: vexpress_sysreg_setup must not be __init
ARM: ux500: Fix u9540 booting issues
arm: mvebu: i2c come back in defconfig
arm: plat-orion: fix printing of "MPP config unavailable on this hardware"
Dove: activate GPIO interrupts in DT
ARM: ux500: add spin_unlock(&master_lock).
ARM: ux500: Disable Power Supply and Battery Management by default
Signed-off-by: Olof Johansson <olof@lixom.net>
The CPSW switch can act as Dual EMAC by segregating the switch ports
using VLAN and port VLAN as per the TRM description in
14.3.2.10.2 Dual Mac Mode
Following CPSW components will be common for both the interfaces.
* Interrupt source is common for both eth interfaces
* Interrupt pacing is common for both interfaces
* Hardware statistics is common for all the ports
* CPDMA is common for both eth interface
* CPTS is common for both the interface and it should not be enabled on
both the interface as timestamping information doesn't contain port
information.
Constrains
* Reserved VID of One port should not be used in other interface which will
enable switching functionality
* Same VID must not be used in both the interface which will enable switching
functionality
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Using /dev/pstore as a mount point for the pstore filesystem is slightly
awkward. We don't normally mount filesystems in /dev/ and the /dev/pstore
file isn't created automatically by anything. While this method will
still work, we can create a persistent mount point in sysfs. This will
put pstore on par with things like cgroups and efivarfs.
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This implements a very basic I2C host driver for the BCM2835 SoC. Missing
features so far are:
* 10-bit addressing.
* DMA.
Reviewed-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
The problem addressed by this fixup is not specific to Vaio Z, affecting
some Vaio all-in-one desktop PCs too. Update the code comments accordingly.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
From Dinh Nguyen, this is a series of patches introducing support for
socfpga hardware (Altera Cyclone5). It also includes a cleanup that
moves some of the ARMv7 cache maintenance functions to a common location,
since three other platforms aready implemented it separately.
* socfpga/hw:
arm: socfpga: Add SMP support for actual socfpga harware
arm: Add v7_invalidate_l1 to cache-v7.S
arm: socfpga: Add entries to enable make dtbs socfpga
arm: socfpga: Add new device tree source for actual socfpga HW
Trivial conflict in arch/arm/mach-tegra/headsmp.S.
Signed-off-by: Olof Johansson <olof@lixom.net>
Because the CPU1 start address is different for socfpga-vt and
socfpga-cyclone5, we add code to use the correct CPU1 start addr.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Pavel Machek <pavel@denx.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Olof Johansson <olof@lixom.net>
User space defines the model to emulate to a guest and should therefore
decide which addresses are used for both the virtual CPU interface
directly mapped in the guest physical address space and for the emulated
distributor interface, which is mapped in software by the in-kernel VGIC
support.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
On ARM some bits are specific to the model being emulated for the guest and
user space needs a way to tell the kernel about those bits. An example is mmio
device base addresses, where KVM must know the base address for a given device
to properly emulate mmio accesses within a certain address range or directly
map a device with virtualiation extensions into the guest address space.
We make this API ARM-specific as we haven't yet reached a consensus for a
generic API for all KVM architectures that will allow us to do something like
this.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This patch adds a simple Device Tree binding for the mvsdio driver, as
well as the necessary documentation for it. Compatibility with non-DT
platforms is preserved, by keeping the platform_data based
initialization.
We introduce a small difference between non-DT and DT platforms: DT
platforms are required to provide a clocks = <...> property, which the
driver uses to get the frequency of the clock that goes to the SDIO
IP. The behaviour on non-DT platforms is kept unchanged: a clock
reference is not mandatory, but the clock frequency must be passed in
the "clock" field of the mvsdio_platform_data structure.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Stefan Peter <s.peter@mpl.ch>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Chris Ball <cjb@laptop.org>
Add a very simple driver for the BCM2835 SoC, which is used in the
Raspberry Pi board.
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
From Will Deacon:
This set of changes moves the arch-timer driver out from arch/arm/ and
into drivers/clocksource and unifies the new driver with the arm64 copy.
* 'for-arm-soc/arch-timers' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
ARM: arch_timers: switch to physical timers if HYP mode is available
Documentation: Add ARMv8 to arch_timer devicetree
arm64: move from arm_generic to arm_arch_timer
arm64: arm_generic: prevent reading stale time
arm: arch_timer: move core to drivers/clocksource
arm: arch_timer: add arch_counter_set_user_access
arm: arch_timer: divorce from local_timer api
arm: arch_timer: add isbs to register accessors
arm: arch_timer: factor out register accessors
arm: arch_timer: split cntfrq accessor
arm: arch_timer: standardise counter reading
arm: arch_timer: use u64/u32 for register data
arm: arch_timer: remove redundant available check
arm: arch_timer: balance device_node refcounting
Signed-off-by: Olof Johansson <olof@lixom.net>
A fairly quiet release for ASoC:
- Support for a wider range of hardware in the compressed stream code.
- The ability to mute capture streams as well as playback streams while
inactive.
- DT support for AK4642, FSI, Samsung I2S and WM8962.
- AC'97 support for Tegra.
- New driver for max98090, replacing the stub which was there.
Due to dependencies we've also got support for asynchronous I/O in regmap
and DTification of DMA support for Samsung platforms (used only by the
I2S driver and SPI) merged here as well.
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Merge tag 'asoc-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.9
A fairly quiet release for ASoC:
- Support for a wider range of hardware in the compressed stream code.
- The ability to mute capture streams as well as playback streams while
inactive.
- DT support for AK4642, FSI, Samsung I2S and WM8962.
- AC'97 support for Tegra.
- New driver for max98090, replacing the stub which was there.
Due to dependencies we've also got support for asynchronous I/O in regmap
and DTification of DMA support for Samsung platforms (used only by the
I2S driver and SPI) merged here as well.
* acpi-pm: (35 commits)
ACPI / PM: Handle missing _PSC in acpi_bus_update_power()
ACPI / PM: Do not power manage devices in unknown initial states
ACPI / PM: Fix acpi_bus_get_device() check in drivers/acpi/device_pm.c
ACPI / PM: Fix /proc/acpi/wakeup for devices w/o bus or parent
ACPI / PM: Fix consistency check for power resources during resume
ACPI / PM: Expose lists of device power resources to user space
sysfs: Functions for adding/removing symlinks to/from attribute groups
ACPI / PM: Expose current status of ACPI power resources
ACPI / PM: Expose power states of ACPI devices to user space
ACPI / scan: Prevent device add uevents from racing with user space
ACPI / PM: Fix device power state value after transitions to D3cold
ACPI / PM: Use string "D3cold" to represent ACPI_STATE_D3_COLD
ACPI / PM: Sanitize checks in acpi_power_on_resources()
ACPI / PM: Always evaluate _PSn after setting power resources
ACPI / PM: Introduce helper for executing _PSn methods
ACPI / PM: Make acpi_bus_init_power() more robust
ACPI / PM: Fix build for unusual combination of Kconfig options
ACPI / PM: remove leading whitespace from #ifdef
ACPI / PM: Consolidate suspend-specific and hibernate-specific code
ACPI / PM: Move device power management functions to device_pm.c
...
The iSMT (Intel SMBus Message Transport) supports multi-master I2C/SMBus,
as well as IPMI. It's operation is DMA-based and utilizes descriptors to
initiate transactions on the bus.
The iSMT hardware can act as both a master and a target, although this
driver only supports being a master.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Bill Brown <bill.e.brown@intel.com>
Tested-by: Seth Heasley <seth.heasley@intel.com>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
This the basic functional Invensense MPU6050 Device driver.
Signed-off-by: Ge Gao <ggao@invensense.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This mxs usbphy is only needs to be on after system boots
up, and software never needs to control it anymore.
Meanwhile, usbphy's parent needs to be notified if usb
is suspend or not. So we design below mxs usbphy usage:
- usbphy1_gate and usbphy2_gate:
Their parents are dummy clock, we only needs to enable
it after system boots up.
- usbphy1 and usbphy2
Usage reserved bit for this clock, in that case, the refcount
will be updated, but without hardware changing.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Add an entry for imx27-pdk.dtb, so that it can be generated by default.
Also, add an entry into Documentation/devicetree/bindings/arm/fsl.txt.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Remove 32-bit x86 a cmdline param "no-hlt",
and the cpuinfo_x86.hlt_works_ok that it sets.
If a user wants to avoid HLT, then "idle=poll"
is much more useful, as it avoids invocation of HLT
in idle, while "no-hlt" failed to do so.
Indeed, hlt_works_ok was consulted in only 3 places.
First, in /proc/cpuinfo where "hlt_bug yes"
would be printed if and only if the user booted
the system with "no-hlt" -- as there was no other code
to set that flag.
Second, check_hlt() would not invoke halt() if "no-hlt"
were on the cmdline.
Third, it was consulted in stop_this_cpu(), which is invoked
by native_machine_halt()/reboot_interrupt()/smp_stop_nmi_callback() --
all cases where the machine is being shutdown/reset.
The flag was not consulted in the more frequently invoked
play_dead()/hlt_play_dead() used in processor offline and suspend.
Since Linux-3.0 there has been a run-time notice upon "no-hlt" invocations
indicating that it would be removed in 2012.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: x86@kernel.org
mwait_idle() is a C1-only idle loop intended to be more efficient
than HLT, starting on Pentium-4 HT-enabled processors.
But mwait_idle() has been replaced by the more general
mwait_idle_with_hints(), which handles both C1 and deeper C-states.
ACPI processor_idle and intel_idle use only mwait_idle_with_hints(),
and no longer use mwait_idle().
Here we simplify the x86 native idle code by removing mwait_idle(),
and the "idle=mwait" bootparam used to invoke it.
Since Linux 3.0 there has been a boot-time warning when "idle=mwait"
was invoked saying it would be removed in 2012. This removal
was also noted in the (now removed:-) feature-removal-schedule.txt.
After this change, kernels configured with
(CONFIG_ACPI=n && CONFIG_INTEL_IDLE=n) when run on hardware
that supports MWAIT will simply use HLT. If MWAIT is desired
on those systems, cpuidle and the cpuidle drivers above
can be enabled.
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: x86@kernel.org
At present, the value of timeout for freezing is 20s, which is
meaningless in case that one thread is frozen with mutex locked
and another thread is trying to lock the mutex, as this time of
freezing will fail unavoidably.
And if there is no new wakeup event registered, the system will
waste at most 20s for such meaningless trying of freezing.
With this patch, the value of timeout can be configured to smaller
value, so such meaningless trying of freezing will be aborted in
earlier time, and later freezing can be also triggered in earlier
time. And more power will be saved.
In normal case on mobile phone, it costs real little time to freeze
processes. On some platform, it only costs about 20ms to freeze
user space processes and 10ms to freeze kernel freezable threads.
Signed-off-by: Liu Chuansheng <chuansheng.liu@intel.com>
Signed-off-by: Li Fei <fei.li@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The Marvell Kirkwood SoCs have simple cpufreq support in hardware. The
CPU can either use the a high speed cpu clock, or the slower DDR
clock. Add a driver to swap between these two clock sources.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Fixed a typo in referenced file name.
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Synchronize with 'net' in order to sort out some l2tp, wireless, and
ipv6 GRE fixes that will be built on top of in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Add documentation for the DT bindings in exynos G2D driver.
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This patch adds the PCU SMBus DeviceID for the Intel Avoton SOC.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
OVMF (an implementation of UEFI based on TianoCore used in virtual
environments) now has the ability to boot Linux natively; this is used
for "qemu -kernel" and similar things in a UEFI environment.
Accordingly, assign it a bootloader ID.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
This patch adds new capture board Hawell HW-9004V1. This card has 4 SAA71300 chips. In order to work it is needed to initialize its registers (gpio mask and value). The value of these registers were dumped under Windows using flytest.
Signed-off-by: Vadim Frolov <fralik@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Create cmd_dtc_cpp to run the C pre-processor on *.dts file before
passing them to dtc for final compilation. This allows the use of #define
and #include within the .dts file.
Acked-by: Simon Glass <sjg@chromium.org>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Michal Marek <mmarek@suse.cz>
Acked-by: Srinivas Kandagatla <srinivas.kandagatla@st.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Some matrix keypad drivers can support different numbers of rows and
columns. Add a generic binding for these.
Implementation note:
In order to implement this binding in the kernel, we will need to modify
matrix_keypad_() to look up the number of rows and cols in
the keymap. Perhaps this could be done by passing 0 for these parameters?
Many of the parameters can already be set to NULL. Ick.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
The Marvell Dove SoC has a thermal sensor. Add a driver using the
thermal framework.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This patch adds support for Kirkwood 88F6282 and 88F6283 thermal sensor.
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Support for loading the Renesas R-Car thermal module via devicetree.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Instead of reimplementing all of the dma_buf functionality in every driver,
create helpers drm_prime_import and drm_prime_export that implement them in
terms of new, lower-level hook functions:
gem_prime_pin: callback when a buffer is created, used to pin buffers into GTT
gem_prime_get_sg_table: convert a drm_gem_object to an sg_table for export
gem_prime_import_sg_table: convert an sg_table into a drm_gem_object
gem_prime_vmap, gem_prime_vunmap: map and unmap an object
These hooks are optional; drivers can opt in by using drm_gem_prime_import and
drm_gem_prime_export as the .gem_prime_import and .gem_prime_export fields of
struct drm_driver.
v2:
- Drop .begin_cpu_access. None of the drivers this code replaces implemented
it. Having it here was a leftover from when I was trying to include i915 in
this rework.
- Use mutex_lock instead of mutex_lock_interruptible, as these three drivers
did. This patch series shouldn't change that behavior.
- Rename helpers to gem_prime_get_sg_table and gem_prime_import_sg_table.
Rename struct sg_table* variables to 'sgt' for clarity.
- Update drm.tmpl for these new hooks.
v3:
- Pass the vaddr down to the driver. This lets drivers that just call vunmap on
the pointer avoid having to store the pointer in their GEM private structures.
- Move documentation into a /** DOC */ comment in drm_prime.c and include it in
drm.tmpl with a !P line. I tried to use !F lines to include documentation of
the individual functions from drmP.h, but the docproc / kernel-doc scripts
barf on that file, so hopefully this is good enough for now.
- apply refcount fix from commit be8a42ae60
("drm/prime: drop reference on imported dma-buf come from gem")
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: David Airlie <airlied@linux.ie>
Signed-off-by: Dave Airlie <airlied@redhat.com>
videomode helpers for of + devicetree stuff, required for new kms drivers
(not the fbdev maintainer).
* tag 'of_videomode_helper' of git://git.pengutronix.de/git/str/linux:
drm_modes: add of_videomode helpers
drm_modes: add videomode helpers
fbmon: add of_videomode helpers
fbmon: add videomode helpers
video: add of helper for display timings/videomode
video: add display_timing and videomode
viafb: rename display_timing to via_display_timing
This pulls in most of Linus tree up to -rc6, this fixes the worst lockdep
reported issues and re-enables fbcon lockdep.
(not the fbcon maintainer)
* 'fbcon-locking-fixes' of ssh://people.freedesktop.org/~airlied/linux: (529 commits)
Revert "Revert "console: implement lockdep support for console_lock""
fbcon: fix locking harder
fb: Yet another band-aid for fixing lockdep mess
fb: rework locking to fix lock ordering on takeover
leds-ns2.txt is a binding for LEDs, not GPIOs. Move the documentation in
with the rest of the LEDs bindings.
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Simon Guinot <simon.guinot@sequanux.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Update changed platform data information.
Add leds-lp55xx.txt which includes the firmware interface description.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
MAX34460 is a PMBus 12-Channel Voltage Monitor & Sequencer.
MAX34461 is a PMBus 16-Channel Voltage Monitor & Sequencer.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Some of the ZL6100 compatible chips support monitoring a separate voltage pin,
VMON (ZL2004) or VDRV (ZL91xx). Report it as in2 / vmon.
The chips support implicit warning limits for VMON/VDRV, as percentage of the
respective critical voltage. Support by reading/writing the critical voltages
and calculating the associated warning voltages.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for the TI / Burr-Brown INA209 voltage / current / power
monitor.
Cc: Paul Hays <haysp@magma.net>
Cc: Ira W. Snyder <iws@ovro.caltech.edu>
Tested-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Add support for temp1_min_alarm and temp1_max_alarm
Signed-off-by: Chris Verges <kg4ysn@gmail.com>
[linux@roeck-us.net: cleanup; dropped platform data and interrupt support]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The LM73 supports four A/D conversion resolutions. The default used by
the existing lm73 driver is the chip's default, 11-bit (0.25 C/LSB).
This patch enables changing of this resolution from userspace via the
update_interval sysfs attribute. Full details on usage are included in
Documentation/hwmon/lm73.
Signed-off-by: Chris Verges <kg4ysn@gmail.com>
[linux@roeck-us.net: cleanup]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Assume that IT8771E and IT8772E are fully compatible with IT8728F.
IT8771E support contributed by Kelly Anderson.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
Add support for MAX6581, MAX6602, MAX6622, MAX6636, MAX6689, MAX6693,
MAX6694, MAX6697, MAX6698, and MAX6699 temperature sensors
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <khali@linux-fr.org>
The IMA policy permits specifying rules to enable or disable
measurement/appraisal/audit based on the file system magic number.
If, for example, the policy contains an ext4 measurement rule,
the rule is enabled for all ext4 partitions.
Sometimes it might be necessary to enable measurement/appraisal/audit
only for one partition and disable it for another partition of the
same type. With the existing IMA policy syntax, this can not be done.
This patch provides support for IMA policy rules to specify the file
system by its UUID (eg. fsuuid=397449cd-687d-4145-8698-7fed4a3e0363).
For partitions not being appraised, it might be a good idea to mount
file systems with the 'noexec' option to prevent executing non-verified
binaries.
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
The documentation suggested that if the control value is wrong only
ERANGE can be returned. But in some cases (an invalid menu index)
EINVAL can also be returned. Clarify this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The documentation of the error_idx field was incomplete and confusing.
This patch improves it.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Fixed the following errors (with exception of the SVG errors):
GEN /home/hans/work/src/v4l/media-git/Documentation/DocBook//v4l2.xml
rm -rf Documentation/DocBook/index.html; echo '<h1>Linux Kernel HTML Documentation</h1>' >> Documentation/DocBook/index.html && echo '<h2>Kernel Version: 3.8.0-rc1</h2>' >> Documentation/DocBook/index.html && cat Documentation/DocBook/media_api.html >> Documentation/DocBook/index.html
/tmp/x.xml:883: element revremark: validity error : Element structname is not declared in revremark list of possible children
/tmp/x.xml:883: element revremark: validity error : Element xref is not declared in revremark list of possible children
/tmp/x.xml:9580: element xref: validity error : Element xref was declared EMPTY this one has content
/tmp/x.xml:13508: element link: validity error : Element link does not carry attribute linkend
/tmp/x.xml:13508: element link: validity error : No declaration for attribute linked of element link
/tmp/x.xml:16986: element imagedata: validity error : Value "SVG" for attribute format of imagedata is not among the enumerated set
/tmp/x.xml:17003: element imagedata: validity error : Value "SVG" for attribute format of imagedata is not among the enumerated set
/tmp/x.xml:17022: element imagedata: validity error : Value "SVG" for attribute format of imagedata is not among the enumerated set
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch adds support to set the emulated temperature method in
thermal zone (sensor). After setting this feature thermal zone may
report this temperature and not the actual temperature. The emulation
implementation may be based on sensor capability through platform
specific handler or pure software emulation if no platform handler defined.
This is useful in debugging different temperature threshold and its
associated cooling action. Critical threshold's cannot be emulated.
Writing 0 on this node should disable emulation.
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Intel PowerClamp driver performs synchronized idle injection across
all online CPUs. The goal is to maintain a given package level C-state
ratio.
Compared to other throttling methods already exist in the kernel,
such as ACPI PAD (taking CPUs offline) and clock modulation, this is often
more efficient in terms of performance per watt.
Please refer to Documentation/thermal/intel_powerclamp.txt for more details.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
The struct v4l2_capability card field stores the device name. That name
can be hardcoded in drivers, or be retrieved directly from the device.
The later is very common with USB devices. As several devices already
report names that include non-ASCII characters, update the field
description to use UTF-8.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Numerous updates to the various Tegra device trees are made:
* Addition of NVIDIA Beaver (Tegra30) and Toradex Colibri T20 and Iris
carrier boards.
* Enablement of the HDMI connector on most boards.
* Enablement of the keyboard controller on a few boards.
* Addition of the AC'97 controller to Tegra20.
* Addition of a GPIO poweroff node for TrimSlice.
* Changes to support the new "high speed UART" (DMA-capable) driver for
Tegra serial ports, and enablement for Cardhu's UART C.
* A few cleanups, such as compatible flag fixes, node renames, node
ordering fixes, commonizing properties into SoC .dtsi files, etc..
This pull request is based on (most of) the previous pull request with
tag tegra-for-3.9-soc-t114.
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Merge tag 'tegra-for-3.9-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt
From Stephen Warren:
ARM: tegra: device tree updates
Numerous updates to the various Tegra device trees are made:
* Addition of NVIDIA Beaver (Tegra30) and Toradex Colibri T20 and Iris
carrier boards.
* Enablement of the HDMI connector on most boards.
* Enablement of the keyboard controller on a few boards.
* Addition of the AC'97 controller to Tegra20.
* Addition of a GPIO poweroff node for TrimSlice.
* Changes to support the new "high speed UART" (DMA-capable) driver for
Tegra serial ports, and enablement for Cardhu's UART C.
* A few cleanups, such as compatible flag fixes, node renames, node
ordering fixes, commonizing properties into SoC .dtsi files, etc..
This pull request is based on (most of) the previous pull request with
tag tegra-for-3.9-soc-t114.
* tag 'tegra-for-3.9-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (22 commits)
ARM: dt: tegra30: Rename "smmu" to "iommu"
ARM: dt: tegra20: Rename "gart" to "iommu"
ARM: tegra: move serial clock-frequency attr into the Tegra30 dtsi
ARM: tegra: Add Toradex Iris carrier board DT with T20 512MB COM
ARM: tegra: Add Colibri T20 512MB COM device tree
ARM: tegra: move serial clock-frequency attr into the Tegra20 dtsi
ARM: tegra: harmony: enable keyboard in DT
ARM: tegra: whistler: enable keyboard in DT
ARM: tegra: cardhu: register UARTC
ARM: tegra: seaboard: enable keyboard in DT
ARM: tegra: add DT entry for KBC controller
ARM: tegra: swap cache-/interrupt-ctrlr nodes in DT
ASoC: tegra: add ac97 host controller to device tree
ARM: DT: tegra: Add Tegra30 Beaver board support
ARM: DT: tegra: Add board level compatible properties
ARM: tegra: paz00: enable HDMI port
ARM: tegra: ventana: enable HDMI port
ARM: tegra: seaboard: enable HDMI port
ARM: tegra: trimslice: add gpio-poweroff node to DT
ARM: DT: tegra: Unify the description of Tegra20 boards
...
The Tegra USB driver has a number of issues:
1) The PHY driver isn't a true platform device, and doesn't implement
the standard USB PHY API.
2) struct device instance numbers were used to make decisions in the
driver, rather than being parameterized by DT or platform data.
This pull request solves issue (2), and lays the groundwork for solving
issue (1). The work on issue (1) involved introducing new DT nodes for
the USB PHYs, which in turn interacted with the Tegra common clock
framework changes, due to the move of clock lookups into device tree.
Hence, these USB driver changes are taken through the Tegra tree with
acks from USB maintainers.
This pull request is based on the previous pull request, with tag
tegra-for-3.9-soc-ccf.
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Merge tag 'tegra-for-3.9-soc-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc
From Stephen Warren:
ARM: tegra: USB driver cleanup
The Tegra USB driver has a number of issues:
1) The PHY driver isn't a true platform device, and doesn't implement
the standard USB PHY API.
2) struct device instance numbers were used to make decisions in the
driver, rather than being parameterized by DT or platform data.
This pull request solves issue (2), and lays the groundwork for solving
issue (1). The work on issue (1) involved introducing new DT nodes for
the USB PHYs, which in turn interacted with the Tegra common clock
framework changes, due to the move of clock lookups into device tree.
Hence, these USB driver changes are taken through the Tegra tree with
acks from USB maintainers.
This pull request is based on the previous pull request, with tag
tegra-for-3.9-soc-ccf.
* tag 'tegra-for-3.9-soc-usb' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
usb: host: tegra: make use of PHY pointer of HCD
ARM: tegra: Add reset GPIO information to PHY DT node
usb: host: tegra: don't touch EMC clock
usb: add APIs to access host registers from Tegra PHY
USB: PHY: tegra: Get rid of instance number to differentiate PHY type
USB: PHY: tegra: get rid of instance number to differentiate legacy controller
ARM: tegra: add clocks properties to USB PHY nodes
ARM: tegra: add DT nodes for Tegra USB PHY
usb: phy: remove unused APIs from Tegra PHY.
usb: host: tegra: Resetting PORT0 based on information received via DT.
ARM: tegra: Add new DT property to USB node.
usb: phy: use kzalloc to allocate struct tegra_usb_phy
ARM: tegra: remove USB address related macros from iomap.h
Tegra already supports the common clock framework, but had issues:
1) The clock driver was located in arch/arm/mach-tegra/ rather than
drivers/clk/.
2) A single "Tegra clock" type was implemented, rather than separate
clock types for PLL, mux, divider, ... type in HW.
3) Clock lookups by device drivers were still driven by device name
and connection ID, rather than through device tree.
This pull request solves all three issues. This required some DT changes
to add clocks properties, and driver changes to request clocks more
"correctly". Finally, this rework allows all AUXDATA to be removed from
Tegra board files, and various duplicate clock lookup entries to be
removed from the driver.
This pull request is based on the previous pull request, with tag
tegra-for-3.9-cleanup.
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Merge tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc
From Stephen Warren:
ARM: tegra: Common Clock Framework rework
Tegra already supports the common clock framework, but had issues:
1) The clock driver was located in arch/arm/mach-tegra/ rather than
drivers/clk/.
2) A single "Tegra clock" type was implemented, rather than separate
clock types for PLL, mux, divider, ... type in HW.
3) Clock lookups by device drivers were still driven by device name
and connection ID, rather than through device tree.
This pull request solves all three issues. This required some DT changes
to add clocks properties, and driver changes to request clocks more
"correctly". Finally, this rework allows all AUXDATA to be removed from
Tegra board files, and various duplicate clock lookup entries to be
removed from the driver.
This pull request is based on the previous pull request, with tag
tegra-for-3.9-cleanup.
* tag 'tegra-for-3.9-soc-ccf' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (31 commits)
clk: tegra30: remove unused TEGRA_CLK_DUPLICATE()s
clk: tegra20: remove unused TEGRA_CLK_DUPLICATE()s
ARM: tegra30: remove auxdata
ARM: tegra20: remove auxdata
ASoC: tegra: remove auxdata
staging: nvec: remove use of clk_get_sys
ARM: tegra: paz00: add clock information to DT
ARM: tegra: add clock properties to Tegra30 DT
ARM: tegra: add clock properties to Tegra20 DT
spi: tegra: do not use clock name to get clock
ARM: tegra: remove legacy clock code
ARM: tegra: migrate to new clock code
clk: tegra: add clock support for Tegra30
clk: tegra: add clock support for Tegra20
clk: tegra: add Tegra specific clocks
ARM: tegra: define Tegra30 CAR binding
ARM: tegra: define Tegra20 CAR binding
ARM: tegra: move tegra_cpu_car.h to linux/clk/tegra.h
ARM: tegra: add function to read chipid
ARM: tegra: fix compile error when disable CPU_IDLE
...
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/mach-tegra/board-dt-tegra20.c
arch/arm/mach-tegra/board-dt-tegra30.c
arch/arm/mach-tegra/common.c
arch/arm/mach-tegra/platsmp.c
drivers/clocksource/Makefile
TCP Appropriate Byte Count was added by me, but later disabled.
There is no point in maintaining it since it is a potential source
of bugs and Linux already implements other better window protection
heuristics.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds a helper function that allows to modify range,
i.e. minimum, maximum, step and default value of a v4l2 control,
after the control has been created and initialized. This is helpful
in situations when range of a control depends on user configurable
parameters, e.g. camera sensor absolute exposure time depending on
an output image resolution and frame rate.
v4l2_ctrl_modify_range() function allows to modify range of an
INTEGER, BOOL, MENU, INTEGER_MENU and BITMASK type controls.
Based on a patch from Hans Verkuil http://patchwork.linuxtv.org/patch/8654.
Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This adds the capability to retrieve setup data from the device tree
node. The usage of platform data is still available.
Signed-off-by: Bastian Hecht <hechtb+renesas@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
The definitions of hw constraint functions are wrongly placed, and the
description about the function is also wrong.
hw_rule_channels_by_format actually refines the channels depending on
the format, not vice versa.
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
We recently refactored the driver source, this patch will take care of
updating copyright date and adding it to newly added files.
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As Xiao pointed out, there are a few problems with it:
- kvm_arch_commit_memory_region() write protects the memory slot only
for GET_DIRTY_LOG when modifying the flags.
- FNAME(sync_page) uses the old spte value to set a new one without
checking KVM_MEM_READONLY flag.
Since we flush all shadow pages when creating a new slot, the simplest
fix is to disallow such problematic flag changes: this is safe because
no one is doing such things.
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>
Cc: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Pull x86 fixes from Ingo Molnar:
"Three small fixlets"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/intel/cacheinfo: Shut up annoying warning
x86, doc: Boot protocol 2.12 is in 3.8
x86-64: Replace left over sti/cli in ia32 audit exit code
Pull two small RCU fixlets from Ingo Molnar.
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rcu: Make rcu_nocb_poll an early_param instead of module_param
rcu: Prevent soft-lockup complaints about no-CBs CPUs
Convert MicBias widgets to supply widget.
On tlv320aic3x, Mic bias power on/off shares the same register bits
with output mic bias voltage. So, when power on mic bias, we need
reclaim it to voltage value.
Provide a new platform data so that the micbias voltage can be sent
according to board requirement. Now since tlv320aic3x codec driver
is DT aware, update dt files and functions to handle this new
"micbias-vg" platform data.
Because of sharing of bits, when enabling the micbias, voltage also
needs to be updated. So use SND_SOC_DAPM_POST_PMU & SND_SOC_DAPM_PRE_PMD
macro to create an event to handle this.
Since micbias is converted to supply widget, updated machine drivers as
well.
This change is runtime tested on da850-evm with audio loopback
(arecord|aplay) for confirmation.
Signed-off-by: Hebbar Gururaja <gururaja.hebbar@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This new property defines the era of the particular SEC version.
The compatible property in device tree "crypto" node has been updated
not to contain SEC era numbers.
Signed-off-by: Vakul Garg <vakul@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This device tree support is added for PMIC block of S5m8767 multi
function driver. The usage detail is added in the device tree
documentation section. This change is tested on exynos5250 based
arndale platform by regulator voltage set/get API's.
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Tested-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
As part of removing generalized dependency, replace <xx> literal fields
in DT compatible field with <52> for am335x platforms.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Currently cfi_cmdset_0002.c does not support PPB locking of sectors. This
patch adds support for this locking/unlocking mechanism. It is needed on
some platforms, since newer U-Boot versions do support this PPB locking
and protect for example their environment sector(s) this way.
This PPB locking/unlocking will be enabled for all devices supported by
cfi_cmdset_0002 reporting 8 in the CFI word 0x49 (Sector Protect/Unprotect
scheme).
Please note that PPB locking does support sector-by-sector locking. But
the whole chip can only be unlocked together. So unlocking one sector
will automatically unlock all sectors of this device. Because of this
chip limitation, the PPB unlocking function saves the current locking
status of all sectors before unlocking the whole device. After unlocking
the saved locking status is re-configured. This way only the addressed
sectors will be unlocked.
To selectively enable this advanced sector protection mechanism, the
device-tree property "use-advanced-sector-protection" has been created.
To enable support for this locking this property needs to be present in the
flash DT node. E.g.:
nor_flash@0,0 {
compatible = "amd,s29gl256n", "cfi-flash";
bank-width = <2>;
use-advanced-sector-protection;
...
Tested with Spansion S29GL512S10THI and Micron JS28F512M29EWx flash
devices.
Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
The ELM hardware module can be used to speedup BCH 4/8/16 ECC scheme
error correction.
For now only 4 & 8 bit support is added
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
The DT binding for the pwm-leds devices are similar to the gpio-leds type.
LEDs are represented as sub-nodes of the pwm-leds device.
The code for handling the DT boot is based on the code found in the
leds-gpio driver and adapted to use PWMs instead of GPIOs.
To avoid having custom cleanup code in case of DT boot the newly created
devm_of_pwm_get() API is used to get the correct PWM instance.
For usage see:
Documentation/devicetree/bindings/leds/leds-pwm.txt
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
Documentation related to cpus and related_cpus is confusing and not very clear.
Over that CPUFreq core has seen much changes recently. Lets update documentation
and comments for cpus and related_cpus.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
In case ELM module available, omap2 NAND driver can opt for hardware
correction method for bit flip errors in NAND flash with BCH. Hence the
detection of ELM module is done through devicetree population of elm_id.
This patch update device tree documentation for gpmc-nand for elm-id
data population.
Signed-off-by: Philip Avinash <avinashphilip@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This patch adds device tree bindings for OMAP OneNAND devices.
Tested on an OMAP3 3430 IGEPv2 board.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The original suggestion to delete wanrouter started earlier
with the mainline commit f0d1b3c2bc
("net/wanrouter: Deprecate and schedule for removal") in May 2012.
More importantly, Dan Carpenter found[1] that the driver had a
fundamental breakage introduced back in 2008, with commit
7be6065b39 ("netdevice wanrouter: Convert directly reference of
netdev->priv"). So we know with certainty that the code hasn't been
used by anyone willing to at least take the effort to send an e-mail
report of breakage for at least 4 years.
This commit does a decouple of the wanrouter subsystem, by going
after the Makefile/Kconfig and similar files, so that these mainline
files that we are keeping do not have the big wanrouter file/driver
deletion commit tied into their history.
Once this commit is in place, we then can remove the obsolete cyclomx
drivers and similar that have a dependency on CONFIG_WAN_ROUTER_DRIVERS.
[1] http://www.spinics.net/lists/netdev/msg218670.html
Originally-by: Joe Perches <joe@perches.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
PullHID fixes from Jiri Kosina:
- fix i2c-hid and hidraw interaction, by Benjamin Tissoires
- a quirk to make a particular device (Formosa IR receiver) work
properly, by Nicholas Santos
* 'for-3.8/upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: i2c-hid: fix i2c_hid_output_raw_report
HID: usbhid: quirk for Formosa IR receiver
HID: remove x bit from sensor doc
Document PCIe bus MPS parameters pcie_bus_tune_off, pcie_bus_safe,
pcie_bus_peer2peer, pcie_bus_perf.
These parameters were introduced by Jon Mason <jdmason@kudzu.us> at commit
5f39e6705 and commit b03e7495a8.
[bhelgaas: mention hot-add for pcie_bus_peer2peer]
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This patchset addes two new sets of files to sysfs for POWER architecture.
- perf event config format in /sys/devices/cpu/format/event
- generic and POWER-specific perf events in /sys/devices/cpu/events/
The format of the first file is already documented in:
sysfs-bus-event_source-devices-format
Document the format of the second set of files '/sys/devices/cpu/events/*'
which would also become part of the ABI.
Changelog[v4]:
[Jiri Olsa]: Mention that multiple event= like terms can be specified
in the 'events' file.
[Jiri Olsa]: Remove the documentation for the 'config format' file
as it is already documented in 'Documentation/ABI/testing/'.
[Jiri Olsa]: Move ABI documentation from 'stable/' to 'testing/'
Changelog[v3]:
[Greg KH] Include ABI documentation.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Anton Blanchard <anton@au1.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: linuxppc-dev@ozlabs.org
Link: http://lkml.kernel.org/r/20130123062645.GG13720@us.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Make the generic perf events in POWER7 available via sysfs.
$ ls /sys/bus/event_source/devices/cpu/events
branch-instructions
branch-misses
cache-misses
cache-references
cpu-cycles
instructions
stalled-cycles-backend
stalled-cycles-frontend
$ cat /sys/bus/event_source/devices/cpu/events/cache-misses
event=0x400f0
This patch is based on commits that implement this functionality on x86.
Eg:
commit a47473939d
Author: Jiri Olsa <jolsa@redhat.com>
Date: Wed Oct 10 14:53:11 2012 +0200
perf/x86: Make hardware event translations available in sysfs
Changelog:[v2]
[Jiri Osla] Drop EVENT_ID() macro since it is only used once.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Anton Blanchard <anton@au1.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: linuxppc-dev@ozlabs.org
Link: http://lkml.kernel.org/r/20130123062454.GD13720@us.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Currently the documentation for the arch_timer devicetree binding only
lists "arm,armv7-timer".
Add "arm,armv8-timer" to the list of compatible strings.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
This patch to the SRW-S1 driver adds the ability to control all
LEDs simultaneously as testing showed that it was slow (noticably!!)
when seting or clearing all the LEDs in turn.
It adds a 'RPMALL' LED, whose behavoir is asserted to all the LEDs in
the bar graph, individual LEDs can subsequently be turned on/off
individually.
Signed-off-by: Simon Wood <simon@mungewell.org>
Tested-by: John Murphy <rosegardener@freeode.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This patch to the SRW-S1 driver adds support for the LED RPM
meter on the front of the device. The LEDs are controlled via
/sys/class/leds interface, with an individual control for each
of the 15 LEDs.
Signed-off-by: Simon Wood <simon@mungewell.org>
Tested-by: John Murphy <rosegardener@freeode.co.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
some of anatop's regulators(cpu, vddpu and vddsoc) have
register settings about LDO's step time, which will impact
the LDO ramp up speed, need to use set_voltage_time_sel
interface to add necessary delay everytime LDOs' voltage
is increased.
offset 0x170:
bit [24-25]: cpu
bit [26-27]: vddpu
bit [28-29]: vddsoc
field definition:
0'b00: 64 cycles of 24M clock;
0'b01: 128 cycles of 24M clock;
0'b02: 256 cycles of 24M clock;
0'b03: 512 cycles of 24M clock;
Signed-off-by: Anson Huang <b20788@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Pull x86 EFI fixes from Peter Anvin:
"This is a collection of fixes for the EFI support. The controversial
bit here is a set of patches which bumps the boot protocol version as
part of fixing some serious problems with the EFI handover protocol,
used when booting under EFI using a bootloader as opposed to directly
from EFI. These changes should also make it a lot saner to support
cross-mode 32/64-bit EFI booting in the future. Getting these changes
into 3.8 means we avoid presenting an inconsistent ABI to bootloaders.
Other changes are display detection and fixing efivarfs."
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, efi: remove attribute check from setup_efi_pci
x86, build: Dynamically find entry points in compressed startup code
x86, efi: Fix PCI ROM handing in EFI boot stub, in 32-bit mode
x86, efi: Fix 32-bit EFI handover protocol entry point
x86, efi: Fix display detection in EFI boot stub
x86, boot: Define the 2.12 bzImage boot protocol
x86/boot: Fix minor fd leakage in tools/relocs.c
x86, efi: Set runtime_version to the EFI spec revision
x86, efi: fix 32-bit warnings in setup_efi_pci()
efivarfs: Delete dentry from dcache in efivarfs_file_write()
efivarfs: Never return ENOENT from firmware
efi, x86: Pass a proper identity mapping in efi_call_phys_prelog
efivarfs: Drop link count of the right inode
This patch adds snapshot description in ftrace documentation.
This description includes what the snapshot is and how to use it.
Link: http://lkml.kernel.org/r/20121226025309.3252.150.stgit@liselsia
Cc: Rob Landley <rob@landley.net>
Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Introduce struct acpi_scan_handler for representing objects that
will do configuration tasks depending on ACPI device nodes'
hardware IDs (HIDs).
Currently, those tasks are done either directly by the ACPI namespace
scanning code or by ACPI device drivers designed specifically for
this purpose. None of the above is desirable, however, because
doing that directly in the namespace scanning code makes that code
overly complicated and difficult to follow and doing that in
"special" device drivers leads to a great deal of confusion about
their role and to confusing interactions with the driver core (for
example, sysfs directories are created for those drivers, but they
are completely unnecessary and only increase the kernel's memory
footprint in vain).
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
During kdump kernel's booting stage, it need to find low ram for
swiotlb buffer when system does not support intel iommu/dmar remapping.
kexed-tools is appending memmap=exactmap and range from /proc/iomem
with "Crash kernel", and that range is above 4G for 64bit after boot
protocol 2.12.
We need to add another range in /proc/iomem like "Crash kernel low",
so kexec-tools could find that info and append to kdump kernel
command line.
Try to reserve some under 4G if the normal "Crash kernel" is above 4G.
User could specify the size with crashkernel_low=XX[KMG].
-v2: fix warning that is found by Fengguang's test robot.
-v3: move out get_mem_size change to another patch, to solve compiling
warning that is found by Borislav Petkov <bp@alien8.de>
-v4: user must specify crashkernel_low if system does not support
intel or amd iommu.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-31-git-send-email-yinghai@kernel.org
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Rob Landley <rob@landley.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Now 64bit entry is fixed on 0x200, can not be changed anymore.
Update the comments to reflect that.
Also put info about it in boot.txt
-v2: fix some grammar error
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1359058816-7615-27-git-send-email-yinghai@kernel.org
Cc: Rob Landley <rob@landley.net>
Cc: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Bring in the 'net' tree so that we can get some ipv4/ipv6 bug
fixes that some net-next work will build upon.
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch set converts the Nomadik (mach-nomadik) to
Device Tree and delete the old board files, paving the
road for single zImage.
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Merge tag 'nmk-dt-on-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into next/dt
From Linus Walleij:
Nomadik Device Tree conversion rebased on ARM SoC cleanup branch
This patch set converts the Nomadik (mach-nomadik) to
Device Tree and delete the old board files, paving the
road for single zImage.
* tag 'nmk-dt-on-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
ARM: nomadik: get rid of <mach/hardware.h>
ARM: nomadik: delete old board files
ARM: nomadik: add I2C devices to the device tree
ARM: nomadik: migrate MMC/SD card support to device tree
ARM: nomadik: convert SMSC91x ethernet to device tree
ARM: nomadik: move GPIO and pinctrl to device tree
ARM: nomadik: add FSMC NAND
ARM: nomadik: move remaining PrimeCells to device tree
ARM: nomadik: move pin maps to cpu file
ARM: nomadik: initial devicetree support
ARM: nomadik: move last custom calls to pinctrl
Signed-off-by: Olof Johansson <olof@lixom.net>
Add the basic device tree based lookup.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Add support for device based discovery.
Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
dmraid assess redundancy and replacements slightly inaccurately which
could lead to some degraded arrays failing to assemble.
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Merge tag 'md-3.8-fixes' of git://neil.brown.name/md
Pull dmraid fix from NeilBrown:
"Just one fix for md in 3.8
dmraid assess redundancy and replacements slightly inaccurately which
could lead to some degraded arrays failing to assemble."
* tag 'md-3.8-fixes' of git://neil.brown.name/md:
DM-RAID: Fix RAID10's check for sufficient redundancy
Fix the incorrect compatible property value of pinctrl for EXYNOS4 SoCs.
Cc: Thomas Abraham <thomas.ab@samsung.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This moves over the MMC/SD card support to the device tree probe
path. The special GPIO to bias the card detect line is kept,
but the pin property is moved to the device tree as part of
the MMC/SD card node.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This converts the SMSC91x ethernet controller to use device
tree. The existing solution from the board file, to request the
GPIO triggering the ethernet IRQ from the board file is kept
for the time being, but the GPIO number assignment is moved
over to the device tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This adds the FSMC NAND driver and flash partitions to the Nomadik
device tree.
The only compatible string accepted by this driver is currently
"st,spear600-fsmc-nand" which is inappropriate for this system, so
this patch adds the compatible value "stericsson,fsmc-nand" as
well.
Cc: linux-mtd@vger.kernel.org
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Support basic device tree boot on the Nomadik. Implement the
support in the cpu file with the intent of deleting the board
files later. At this stage IRQ controllers, system timer,
l2x0 cache, UARTs and thus console boot is fully functional.
Patch out the code adding devices by initcalls for now so
as not to disturb the boot.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
As reset GPIO information is PHY specific detail, adding
it to PHY DT node.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This adds the device tree for the Toradex Iris carrier board used
together with a Colibri T20 512MB COM.
The Iris has the following features, in brackets the current status:
- DVI and VGA output through DVI-I connector (DVI-D enabled and tested)
- LVDS output
- 1 USB host port (enabled and tested)
- 1 USB OTG port (enabled)
- 100 MBit Ethernet (enabled and tested)
- 5 UART ports (2 on 10way headers enabled and tested)
- 1 MicroSD Slot (enabled and tested)
- Audio connectors (enabled, only HP out and Line-in tested)
- i2c RTC
- GPIO connector (enabled, only sparsely tested)
- external i2c bus
- 4 PWM out
- analog in
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This adds the device tree include file for the Toradex Colibri T20
Computer on Module (COM). It's only valid for the 512MB RAM version of
the module, as the 256MB version needs different EMC tables and flash
configuration. To make this clear the suffix -512 was added to the board
compatible string.
The Colibri T20 uses a Tegra20 SoC and has onboard USB Ethernet and AC97
sound.
Still some things like onboard NAND support missing, but should be a
good base for further development.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This patch adds support for Tegra30 Beaver board in upstream kernel.
Beaver board is a Tegra30 SoC based development board, it has
following features:
- T30 or T33 SoC (Qual core ARM Cortex A9)
- 2 GB DDR3L
- 16 GB EMMC
- 1 SD slot
- 1 USB Standart A port and 1 USB micro AB port
- PCI-E Gig Ethernet
- Audio input/output
- SATA port
- HDMI output
- UART and JTAG
Signed-off-by: Bryan Wu <pengw@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
The compatible properties of Tegra SoC based boards or machines need
to be documented. This patch adds these board levle compatible
properties into device tree binding document.
Signed-off-by: Bryan Wu <pengw@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Add DT nodes for Tegra USB PHY along with related documentation.
Also added a phandle property to controller DT node, for referring
to connected PHY instance.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
As Tegra USB host driver is using instance number for resetting
PORT0 twice, adding a new DT property for handling this.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
The device tree binding models Tegra30 CAR (Clock And Reset)
as a single monolithic clock provider.
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
[swarren: fixed typo in binding doc]
Signed-off-by: Stephen Warren <swarren@nvidia.com>
The Tegra20 CAR (Clock And Reset) Controller controls most aspects of
most clocks within Tegra20. The device tree binding models this as a
single monolithic clock provider, which exports many clocks. This reduces
the number of nodes needed in device tree to represent these clocks.
This binding is only useful for Tegra20; the set of clocks that exists on
Tegra30 is sufficiently different to merit its own binding.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
[pgaikwad: Added mux clk ids and sorted CAR node]
Signed-off-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Mostly clock related updates, most notably the conversion of
i.MX31 to a DT based lookup.
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Merge tag 'imx-soc' of git://git.pengutronix.de/git/imx/linux-2.6 into next/soc
From Sascha Hauer:
ARM i.MX SoC updates for next
Mostly clock related updates, most notably the conversion of
i.MX31 to a DT based lookup.
* tag 'imx-soc' of git://git.pengutronix.de/git/imx/linux-2.6:
ARM: clk-imx35: Fix build warnings with W=1
ARM: imx27: add a clock gate to activate SPLL clock
ARM: mx31: Replace clk_register_clkdev with clock DT lookup
ARM: clk-imx31: Add dummy clock
ARM: Let CONFIG_MACH_IMX31_DT be built by default
Signed-off-by: Olof Johansson <olof@lixom.net>
From Barry Song, this adds support for a new SoC from CSR; marco. It's
SMP, uses GIC instead of VIC and in general needs a bit of rework of
the platform code for setup, which this branch contains.
* 'marco-timer-cleanup-rebase' of git://gitorious.org/sirfprima2-kernel/sirfprima2-kernel:
ARM: PRIMA2: provide two DEBUG_LL ports for prima2 and marco
ARM: PRIMA2: add new SiRFmarco SMP SoC infrastructures
ARM: PRIMA2: irq: make prima2 irq can work even we enable GIC for Marco
ARM: PRIMA2: rtciobg: it is also compatible with marco
ARM: PRIMA2: rstc: enable the support for Marco
ARM: PRIMA2: mv timer to timer-prima2 as we will add timer-marco
ARM: PRIMA2: initialize l2x0 according to mach from DT
ARM: PRIMA2: enable AUTO_ZRELADDR for SIRF in Kconfig
ARM: PRIMA2: add CSR SiRFmarco device tree .dts
Signed-off-by: Olof Johansson <olof@lixom.net>
i2c_smbus_process_call has no users in the kernel, so this can be
removed. Documentation for the same has been updated accordingly.
Fixes following sparse warning.
drivers/i2c/i2c-core.c:1871:5: warning: symbol 'i2c_smbus_process_call'
was not declared. Should it be static?
[wsa: updated the documentation]
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Define the 2.12 bzImage boot protocol: add xloadflags and additional
fields to allow the command line, initramfs and struct boot_params to
live above the 4 GiB mark.
The xloadflags now communicates if this is a 64-bit kernel with the
legacy 64-bit entry point and which of the EFI handover entry points
are supported.
Avoid adding new read flags to loadflags because of claimed
bootloaders testing the whole byte for == 1 to determine bzImageness
at least until the issue can be researched further.
This is based on patches by Yinghai Lu and David Woodhouse.
Originally-by: Yinghai Lu <yinghai@kernel.org>
Originally-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/1359058816-7615-26-git-send-email-yinghai@kernel.org
Cc: Rob Landley <rob@landley.net>
Cc: Gokul Caushik <caushik1@gmail.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Joe Millenbach <jmillenbach@gmail.com>
In the help text describing user namespaces recommend use of memory
control groups. In many cases memory control groups are the only
mechanism there is to limit how much memory a user who can create
user namespaces can use.
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Pablo Neira Ayuso says:
====================
This batch contains netfilter updates for you net-next tree, they are:
* The new connlabel extension for x_tables, that allows us to attach
labels to each conntrack flow. The kernel implementation uses a
bitmask and there's a file in user-space that maps the bits with the
corresponding string for each existing label. By now, you can attach
up to 128 overlapping labels. From Florian Westphal.
* A new round of improvements for the netns support for conntrack.
Gao feng has moved many of the initialization code of each module
of the netns init path. He also made several code refactoring, that
code looks cleaner to me now.
* Added documentation for all possible tweaks for nf_conntrack via
sysctl, from Jiri Pirko.
* Cisco 7941/7945 IP phone support for our SIP conntrack helper,
from Kevin Cernekee.
* Missing header file in the snmp helper, from Stephen Hemminger.
* Finally, a couple of fixes to resolve minor issues with these
changes, from myself.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add device tree based initialization support for
TI's tps6507x regulators.
Add device tree binding document for TI's tps6507x
using datasheet:
http://www.ti.com/lit/ds/symlink/tps65070.pdf
Signed-off-by: Vishwanathrao Badarkhe, Manish <manishv.b@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This patch implements support for sampling of a touchscreen into
the MXS LRADC driver. The LRADC block allows configuring some of
it's channels into special mode where they either output the drive
voltage or sample it, allowing it to operate a 4-wire or 5-wire
resistive touchscreen.
In case the touchscreen mode is enabled, the LRADC slot #7 is
reserved for touchscreen only, therefore it is not possible to
sample 8 LRADC channels at time, but only 7 channels.
The touchscreen controller is configured such that the PENDOWN event
disables touchscreen interrupts and triggers execution of worker
thread, which then polls the touchscreen controller for X, Y and
Pressure values. This reduces the overhead of interrupt-driven
operation. Upon the PENUP event, the worker thread re-enables the
PENDOWN detection interrupt and exits.
Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Tejun Heo