When DSS transitions from off mode to on VENC may generate a spurious
SYNC_LOST_DIGIT error. Just ack it when restoring the context. Also
restore IRQENABLE last to avoid triggering interrupts before the
context is fully restored.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
When the display is not active make the wait_for_go() functions return
immediately.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Check whether the display actually has the set_update_mode() function
before calling it. Only the sysfs codepath was broken, the omapfb ioctl
had the necessary protection.
Signed-off-by: Ville Syrjälä <ville.syrjala@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
For some reason screen updates of certain odd widths seem to be triggering
HS TX timeouts on OMAP 3430, even if bigger updates do not. The reason for
this is unknown, but increasing the timeout removes the problem with no
(so far) noticeable problems. I haven't seen this problem on OMAP 3630.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
* master.kernel.org:/home/rmk/linux-2.6-arm:
cyber2000fb: fix console in truecolor modes
cyber2000fb: fix machine hang on module load
SA1111: Eliminate use after free
ARM: Fix Versatile/Realview/VExpress MMC card detection sense
ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt
ARM: Add barriers to io{read,write}{8,16,32} accessors as well
ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE
ARM: 6272/1: Convert L2x0 to use the IO relaxed operations
ARM: 6271/1: Introduce *_relaxed() I/O accessors
ARM: 6275/1: ux500: don't use writeb() in uncompress.h
ARM: 6270/1: clean files in arch/arm/boot/compressed/
ARM: Fix csum_partial_copy_from_user()
Return value was not set to 0 in setcolreg() with truecolor modes. This causes
fb_set_cmap() to abort after first color, resulting in blank palette - and
blank console in 24bpp and 32bpp modes.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
I was testing two CyberPro 2000 based PCI cards on x86 and the machine always
hanged completely when the cyber2000fb module was loaded. It seems that the
card hangs when some registers are accessed too quickly after writing RAMDAC
control register. With this patch, both card work.
Add delay after RAMDAC control register write to prevent hangs on module load.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The MMC card detection sense has become really confused with negations
at various levels, leading to some platforms not detecting inserted
cards. Fix this by converting everything to positive logic throughout,
thereby getting rid of these negations.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
We're adjusting horizontal timings only here, moving vsync was just a
slavish translation of a typo in the X server.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Fix incorrectly reporting 'default' power profile, when it is set to 'mid'.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] ibmvscsi: Fix oops when an interrupt is pending during probe
[SCSI] zfcp: Update status read mempool
[SCSI] zfcp: Do not wait for SBALs on stopped queue
[SCSI] zfcp: Fix check whether unchained ct_els is possible
[SCSI] ipr: fix resource path display and formatting
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/voltage-2.6:
davinci: da850/omap-l138 evm: account for DEFDCDC{2,3} being tied high
regulator: tps6507x: allow driver to use DEFDCDC{2,3}_HIGH register
wm8350-regulator: fix wm8350_register_regulator error handling
ab3100: fix off-by-one value range checking for voltage selector
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
In TPS6507x, depending on the status of DEFDCDC{2,3} pin either
DEFDCDC{2,3}_LOW or DEFDCDC{2,3}_HIGH register needs to be read or
programmed to change the output voltage.
The current driver assumes DEFDCDC{2,3} pins are always tied low
and thus operates only on DEFDCDC{2,3}_LOW register. This need
not always be the case (as is found on OMAP-L138 EVM).
Unfortunately, software cannot read the status of DEFDCDC{2,3} pins.
So, this information is passed through platform data depending on
how the board is wired.
Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
When freeing a gpio that has not been exported, gpio_unexport() prints a
debug message when it should just fall through silently.
Example spurious message:
gpio_unexport: gpio0 status -22
Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk>
Cc: David Brownell <david-b@pacbell.net>
Acked-by: Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.de>
Cc: Gregory Bean <gbean@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The MPC85xx EDAC driver is missing module device aliases, so the driver
won't load automatically on boot. This patch fixes the issue by adding
proper MODULE_DEVICE_TABLE() macros.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: Peter Tyser <ptyser@xes-inc.com>
Cc: Dave Jiang <djiang@mvista.com>
Cc: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix the logic while writing new date/time to the chip. The driver
incorrectly wrote back register values to different registers and even
with wrong mask. The patch adds clearing of the VLF register, which
should be cleared if all date/time values are set.
Signed-off-by: Rudolf Marek <rudolf.marek@sysgo.com>
Acked-by: Wan ZongShun <mcuos.com@gmail.com>
Cc: Martyn Welch <martyn.welch@gefanuc.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
A driver needs to be ready to take an interrupt as soon as it registers
an interrupt handler. I noticed the following oops when testing kdump:
ipr: IBM Power RAID SCSI Device Driver version: 2.5.0 (February 11, 2010)
ibmvscsi 30000002: SRP_VERSION: 16.a
ibmvscsi 30000002: SRP_VERSION: 16.a
Unable to handle kernel paging request for data at address 0x00000000
...
pc: c000000004085e34: .tasklet_action+0xf4/0x1dc
...
c000000004086fe4 .__do_softirq+0x16c/0x2c0
c00000000403138c .call_do_softirq+0x14/0x24
c00000000400ee14 .do_softirq+0xa0/0x104
c00000000408690c .irq_exit+0x70/0xd0
c00000000400f190 .do_IRQ+0x214/0x2a8
c000000004004804 hardware_interrupt_entry+0x1c/0x98
--- Exception: 501 (Hardware Interrupt) at c00000000400c544 .raw_local_irq_restore+0x48/0x54
c00000000465d2a8 ._raw_spin_unlock_irqrestore+0x74/0xa0
c0000000040e7f00 .__setup_irq+0x2ec/0x3f0
c0000000040e8198 .request_threaded_irq+0x194/0x22c
c00000000446d854 .rpavscsi_init_crq_queue+0x284/0x3f0
c00000000446c764 .ibmvscsi_probe+0x688/0x710
c00000000402903c .vio_bus_probe+0x37c/0x3e4
c000000004403f10 .driver_probe_device+0xec/0x1b8
c000000004404088 .__driver_attach+0xac/0xf4
c000000004403184 .bus_for_each_dev+0x98/0x104
c000000004403c98 .driver_attach+0x40/0x60
c0000000044026f0 .bus_add_driver+0x154/0x324
c0000000044045d0 .driver_register+0xe8/0x1ac
c00000000402b2a8 .vio_register_driver+0x54/0x74
c000000004933ea4 .ibmvscsi_module_init+0x80/0xc0
c000000004009834 .do_one_initcall+0x98/0x1d8
c0000000049005b4 .kernel_init+0x27c/0x33c
c000000004031550 .kernel_thread+0x54/0x70
srp_task needs to be setup before request_irq. The patch below fixes the oops.
Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
s2io: fixing DBG_PRINT() macro
ath9k: fix dma direction for map/unmap in ath_rx_tasklet
net: dev_forward_skb should call nf_reset
net sched: fix race in mirred device removal
tun: avoid BUG, dump packet on GSO errors
bonding: set device in RLB ARP packet handler
wimax/i2400m: Add PID & VID for Intel WiMAX 6250
ipv6: Don't add routes to ipv6 disabled interfaces.
net: Fix skb_copy_expand() handling of ->csum_start
net: Fix corruption of skb csum field in pskb_expand_head() of net/core/skbuff.c
macvtap: Limit packet queue length
ixgbe/igb: catch invalid VF settings
bnx2x: Advance a module version
bnx2x: Protect statistics ramrod and sequence number
bnx2x: Protect a SM state change
wireless: use netif_rx_ni in ieee80211_send_layer2_update
In the case of platform_device_add() fail, we should call
platform_device_put() instead of platform_device_del()
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
We use voltage selector as an array index for typ_voltages.
Thus the valid range for voltage selector should be 0..voltages_len-1.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Patch 9e39f7c5b3 changed the
DBG_PRINT() macro and the if clause was wrongly changed. It means
that currently all the DBG_PRINT are being printed, flooding the
kernel log buffer with things like:
s2io: eth6: Next block at: c0000000b9c90000
s2io: eth6: In Neterion Tx routine
Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Acked-by: Sreenivasa Honnur <Sreenivasa.Honnur@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus:
MIPS: Set io_map_base for several PCI bridges lacking it
MIPS: Alchemy: Define eth platform devices in the correct order
MIPS: BCM63xx: Prevent second enet registration on BCM6338
MIPS: Quit using undefined behavior of ADDU in 64-bit atomic operations.
MIPS: N32: Define getdents64.
MIPS: MTX-1: Fix PCI on the MeshCube and related boards
MIPS: Make init_vdso a subsys_initcall.
MIPS: "Fix" useless 'init_vdso successfully' message.
MIPS: PowerTV: Move register setup to before reading registers.
SOUND: Au1000: Fix section mismatch
VIDEO: Au1100fb: Fix section mismatch
VIDEO: PMAGB-B: Fix section mismatch
VIDEO: PMAG-BA: Fix section mismatch
NET: declance: Fix section mismatches
VIDEO. gbefb: Fix section mismatches.
Fix error from the last pull request. Making sure we shut the panel off
is more correct and saves power.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: musb: tusb6010: fix compile error with n8x0_defconfig
USB: FTDI: Add support for the RT System VX-7 radio programming cable
USB: add quirk for Broadcom BT dongle
USB: usb-storage: fix initializations of urb fields
USB: xhci: Set Mult field in endpoint context correctly.
USB: sisusbvga: Fix for USB 3.0
USB: adds Artisman USB dongle to list of quirky devices
USB: xhci: Set EP0 dequeue ptr after reset of configured device.
USB: Fix USB3.0 Port Speed Downgrade after port reset
USB: xHCI: Fix another bug in link TRB activation change.
USB: option: Add support for AMOI Skypephone S2
USB: New PIDs for Qualcomm gobi 2000 (qcserial)
USB: ftdi_sio: support for Signalyzer tools based on FTDI chips
USB: s3c2410_udc: be aware of connected gadget driver
USB: Expose vendor-specific ACM channel on Nokia 5230
USB: Add PID for Sierra 250U to drivers/usb/serial/sierra.c
USB: option: add support for 1da5:4518
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel:
drm/i915: add pipe A force quirks to i915 driver
drm/i915: Fix panel fitting regression since 734b4157
drm/i915: fix deadlock in fb teardown
drm/i915: don't free non-existent compressed llb on ILK+
agp/intel: Use the correct mask to detect i830 aperture size.
drm/i915: disable FBC when more than one pipe is active
drm/i915: Use the correct scanout alignment for fbcon.
drm/i915: make sure eDP panel is turned on
drm/i915: add PANEL_UNLOCK_REGS definition
drm/i915: Make G4X-style PLL search more permissive
drm/i915: Clear any existing dither mode prior to enabling spatial dithering
drm/i915: handle shared framebuffers when flipping
drm/i915: Explosion following OOM in do_execbuffer.
gpu/drm/i915: Add a blacklist to omit modeset on LID open
395913d0b1 ("[CPUFREQ] remove rwsem lock
from CPUFREQ_GOV_STOP call (second call site)") is not needed, because
there is no rwsem lock in cpufreq_ondemand and cpufreq_conservative
anymore. Lock should not be released until the work done.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=1594
Signed-off-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Drop the unnecessary empty stubs in tusb6010.c and avoid
a compile error when building kernel for n8x0.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
RT Systems has put out bunch of ham radio cables based on the FT232RL
chip. Each cable type has a unique PID, this adds one for the Yaesu VX-7
radios.
Signed-off-by: Corey Minyard <minyard@acm.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This device needs to be reset when resuming
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Commit 0ede76fcec, "USB: remove uses of
URB_NO_SETUP_DMA_MAP" introduced a regression by inadvertantly removing
initialization of the transfer flags. This caused initialization
failures in the ums-karma driver. Fix the regression by zeroing it.
While at it, as Alan Stern points out, the initializers for
actual_length and status are handled by the core and error_count
only matters for isochronous urbs, so they don't need to be set here.
Remove them.
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The bmAttributes field of the SuperSpeed Endpoint Companion Descriptor has
different meanings, depending on the endpoint type. If the endpoint is
isochronous, the bmAttributes field is the maximum number of packets
within a service interval that this endpoint supports. If the endpoint is
bulk, it's the number of stream IDs this endpoint supports.
Only set the Mult field of the xHCI endpoint context using the
bmAttributes field if the endpoint is isochronous, and the device is a
SuperSpeed device.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Super speed is also fast enough to let sisusbvga operate.
Therefor expand the checks.
Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
When an attempt is made to read the interface strings of the Artisman
Watchdog USB dongle (idVendor:idProduct 04b4:0526) an error is written
to the dmesg log (uhci_result_common: failed with status 440000) and the
dongle resets itself, resulting in a disconnect/reconnect loop.
Adding the dongle to the list of devices in quirks.c, with the same
quirk Alan Stern's previous patch for the Saitek Cyborg Gold 3D
joystick, stops the device from resetting and allows it to be used with
no problems.
Signed-off-by: Paul Mortier <mortier@btinternet.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
When a configured device is reset, the control endpoint's ring is reused.
If control transfers to the device were issued before the device is reset,
the dequeue pointer will be somewhere in the middle of the ring. If the
device is then issued an address with the set address command, the xHCI
driver must provide a valid input context for control endpoint zero.
The original code would give the hardware the original input context,
which had a dequeue pointer set to the top of the ring. This would cause
the host to re-execute any control transfers until it reached the ring's
enqueue pointer. When issuing a set address command for a device that has
just been configured and then reset, use the control endpoint's enqueue
pointer as the hardware's dequeue pointer.
Assumption: All control transfers will be completed or cancelled before
the set address command is issued to the device. If there are any
outstanding control transfers, this code will not work.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Without this fix, a USB 3.0 port is downgraded to full speed after a port
reset of a configured device. The USB 3.0 terminations will be disabled
permanently, and USB 3.0 devices will always enumerate as full speed
devices, until the host controller is unplugged (if it is an ExpressCard)
or the computer is rebooted.
Fajun Chen traced this traced the speed downgrade issue to the port reset
and the interpretation of port status in USB hub driver code. The hub
code was not testing for the port being a SuperSpeed port, and it fell
through to the else case of Full Speed.
The following patch adds SuperSpeed mapping from the port status, and
fixes the speed downgrade issue.
Reported-by: Fajun Chen <fajun.chen@seagate.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Commit 6c12db90f1 also seems to have
introduced a bug that is triggered when the command ring is about to wrap.
The inc_enq() function will not have moved the enqueue pointer past the
link TRB. It is supposed to be moved past the link TRB in prepare_ring(),
which should be called before a TD is enqueued. However, the
queue_command() function never calls the prepare_ring() function because
prepare_ring() is only supposed to be used for endpoint rings. That means
the enqueue pointer will not be moved past the link TRB, and will get
overwritten.
The fix is to make queue_command() call prepare_ring() with a fake
endpoint status (set to running). Then the enqueue pointer will get moved
past the link TRB.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
usbserial: Add AMOI Skypephone S2 support.
This patch adds support for the AMOI Skypephone S2 to the usbserial module.
Tested-by: Dennis Jansen <Dennis.Jansen@web.de>
Signed-off-by: Dennis Jansen <Dennis.Jansen@web.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adds support for the Generic Qualcomm Gobi 2000 WWAN UMTS/CDMA modem
Signed-off-by: Andrew Bird <ajb@spheresytems.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
ftdi_sio: support for Signalyzer tools based on FTDI chips
This patch adds support for the Xverve Signalyzers.
Signed-off-by: Colin Leitner <colin.leitner@googlemail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
To escape from data abort in interrupt handler, it is required to
check for a connected gadget before delivering control requests.
The change fixes the following panic, which occurs with no loaded
gadget driver and input USB_REQ_GET_DESCRIPTOR request:
Kernel panic - not syncing: Fatal exception in interrupt
[<c0025874>] (unwind_backtrace+0x0/0xd8) from [<c0253f14>] (panic+0x40/0x110)
[<c0253f14>] (panic+0x40/0x110) from [<c002470c>] (die+0x154/0x180)
[<c002470c>] (die+0x154/0x180) from [<c0026448>] (__do_kernel_fault+0x64/0x74)
[<c0026448>] (__do_kernel_fault+0x64/0x74) from [<c0026610>] (do_page_fault+0x1b8/0x1cc)
[<c0026610>] (do_page_fault+0x1b8/0x1cc) from [<c00202d4>] (do_DataAbort+0x34/0x94)
[<c00202d4>] (do_DataAbort+0x34/0x94) from [<c0020a60>] (__dabt_svc+0x40/0x60)
Exception stack(0xc0327ea8 to 0xc0327ef0)
7ea0: bf0026b0 c0327ef0 c0327ee4 00000000 bf002590 00000093
7ec0: 00000001 bf0026b0 bf002990 00000000 00000008 0000143d 00003f00 c0327ef0
7ee0: bf001364 bf001360 20000093 ffffffff
[<c0020a60>] (__dabt_svc+0x40/0x60) from [<bf001360>] (s3c2410_udc_irq+0x5b8/0x778 [s3c2410_udc])
[<bf001360>] (s3c2410_udc_irq+0x5b8/0x778 [s3c2410_udc]) from [<c0058aa0>] (handle_IRQ_event+0x3c/0x104)
[<c0058aa0>] (handle_IRQ_event+0x3c/0x104) from [<c005a428>] (handle_edge_irq+0x12c/0x164)
[<c005a428>] (handle_edge_irq+0x12c/0x164) from [<c0020068>] (asm_do_IRQ+0x68/0x88)
[<c0020068>] (asm_do_IRQ+0x68/0x88) from [<c0020aa4>] (__irq_svc+0x24/0xa0)
Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Nokia S60 phones expose two ACM channels. The first is
a modem, the second is 'vendor-specific' but is treated
as a serial device at the S60 end, so we want to expose
it on Linux too.
Signed-off-by: Przemo Firszt <przemo@firszt.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Add VID/PID for Sierra Wireless 250U USB dongle to sierra.c
Allows use of 3G radio only
Signed-off-by: August Huber <gus@pbx.org>
Cc: Elina Pasheva <epasheva@sierrawireless.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ported over from the old UMS list. Unfortunately they're still
necessary especially on older laptop platforms.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=22126.
Tested-by: Xavier <shiningxc@gmail.com>
Tested-by: Diego Escalante Urrelo <diegoe@gnome.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
The crtc mode fixup is run after the encoders adjust the mode to fit on
their output, so don't reset the mode!
Fixes:
Bug 29057 - display corruption under 800x600 on netbook
(1024x600) with 'Full Aspect' scaling
https://bugs.freedesktop.org/show_bug.cgi?id=29057
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Xun Fang <xunx.fang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
For edma, we should use DMA_BIDIRECTIONAL, or else use
DMA_FROM_DEVICE.
This is found to address "BUG at arch/x86/mm/physaddr.c:5"
as described here:
http://lkml.org/lkml/2010/7/14/21
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
At module unload time we'll tear down the fbdev state. We do so under
the struct mutex, so we shouldn't try to use the unlocked variant of
the GEM object unreference function or we may deadlock.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
We should only free the compressed llb if we allocated it in the first
place otherwise we'll panic at unload time.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
BugLink: https://bugs.launchpad.net/bugs/597075
commit f1befe71fa introduced a
regression when detecting aperture size of some i915 adapters, e.g.,
those on the Intel Q35 chipset.
The original report: https://bugzilla.kernel.org/show_bug.cgi?id=15733
The regression report: https://bugzilla.kernel.org/show_bug.cgi?id=16294
According to the specification found at
http://intellinuxgraphics.org/VOL_1_graphics_core.pdf, the PCI config
space register I830_GMCH_CTRL is a mirror of GMCH Graphics
Control. The correct macro for isolating the aperture size bits is
therefore I830_GMCH_GMS_MASK along with the attendant changes to the
case statement.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Tested-by: Kees Cook <kees.cook@canonical.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Eric Anholt <eric@anholt.net>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
We're really supposed to do this to avoid trouble with underflows when
multiple planes are active.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=26987.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: fangxun <xunx.fang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This fixes a potential modesetting error during boot with plymouth on
Broadwater and Crestline introduced with 9df47c. The framebuffer was
hard-coding an alignment of 64K, but the modesetting code required the
documented alignment of 128K. The result was that we would attempt to
unbind the pinned fbcon buffer, triggering an ERROR and ultimately
failing the mode change.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
When enabling the eDP port, we need to make sure the panel is turned on
after training the link. If we don't, it likely won't come back after
suspend or may not come up at all.
For unknown reasons, unlocking the panel regs before initiating a power
on sequence is necessary. There are known bugs in the PCH panel
sequencing logic, apparently this is one possible workaround.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28739.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: "Paulo J. S. Silva" <pjssilva@gmail.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
In some cases, unlocking the panel regs is safe and can help us avoid a
flickery, full mode set sequence. So define the unlock key and use it.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes an Ironlake laptop with a 68.940MHz 1280x800 panel and 120MHz SSC
reference clock.
More generally, the 0.488% tolerance used before is just too tight to
reliably find a PLL setting. I extracted the search algorithm and
modified it to find the dot clocks with maximum error over the valid
range for the given output type:
http://people.freedesktop.org/~ajax/intel_g4x_find_best_pll.c
This gave:
Worst dotclock for Ironlake DAC refclk is 350000kHz (error 0.00571)
Worst dotclock for Ironlake SL-LVDS refclk is 102321kHz (error 0.00524)
Worst dotclock for Ironlake DL-LVDS refclk is 219642kHz (error 0.00488)
Worst dotclock for Ironlake SL-LVDS SSC refclk is 84374kHz (error 0.00529)
Worst dotclock for Ironlake DL-LVDS SSC refclk is 183035kHz (error 0.00488)
Worst dotclock for G4X SDVO refclk is 267600kHz (error 0.00448)
Worst dotclock for G4X HDMI refclk is 334400kHz (error 0.00478)
Worst dotclock for G4X SL-LVDS refclk is 95571kHz (error 0.00449)
Worst dotclock for G4X DL-LVDS refclk is 224000kHz (error 0.00510)
Signed-off-by: Adam Jackson <ajax@redhat.com>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
WARNING: drivers/video/built-in.o(.data+0x360): Section mismatch in reference from the variable au1100fb_driver to the function .init.text:au1100fb_drv_probe()
The variable au1100fb_driver references
the function __init au1100fb_drv_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Fixing which triggers of a slew of further mismatches:
WARNING: drivers/video/built-in.o(.devinit.text+0xc0): Section mismatch in reference from the function au1100fb_drv_probe() to the variable .init.data:au1100fb_fix
The function __devinit au1100fb_drv_probe() references
a variable __initdata au1100fb_fix.
If au1100fb_fix is only used by au1100fb_drv_probe then
annotate au1100fb_fix with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x21c): Section mismatch in reference from the function au1100fb_drv_probe() to the variable .init.data:au1100fb_var
The function __devinit au1100fb_drv_probe() references
a variable __initdata au1100fb_var.
If au1100fb_var is only used by au1100fb_drv_probe then
annotate au1100fb_var with a matching annotation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
WARNING: drivers/built-in.o(.devinit.text+0xc0): Section mismatch in reference from the function pmagbafb_probe() to the variable .init.data:pmagbafb_fix
The function __devinit pmagbafb_probe() references
a variable __initdata pmagbafb_fix.
If pmagbafb_fix is only used by pmagbafb_probe then
annotate pmagbafb_fix with a matching annotation.
Fixing this one triggers a few more mismatches in order:
WARNING: drivers/video/built-in.o(.devinit.text+0x414): Section mismatch in reference from the function pmagbbfb_probe() to the variable .init.data:pmagbbfb_fix
The function __devinit pmagbbfb_probe() references
a variable __initdata pmagbbfb_fix.
If pmagbbfb_fix is only used by pmagbbfb_probe then
annotate pmagbbfb_fix with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x45c): Section mismatch in reference from the function pmagbbfb_probe() to the variable .init.data:pmagbbfb_defined
The function __devinit pmagbbfb_probe() references
a variable __initdata pmagbbfb_defined.
If pmagbbfb_defined is only used by pmagbbfb_probe then
annotate pmagbbfb_defined with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x5fc): Section mismatch in reference from the function pmagbbfb_probe() to the function .init.text:pmagbbfb_screen_setup()
The function __devinit pmagbbfb_probe() references
a function __init pmagbbfb_screen_setup().
If pmagbbfb_screen_setup is only used by pmagbbfb_probe then
annotate pmagbbfb_screen_setup with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x6f4): Section mismatch in reference from the function pmagbbfb_probe() to the function .init.text:pmagbbfb_osc_setup()
The function __devinit pmagbbfb_probe() references
a function __init pmagbbfb_osc_setup().
If pmagbbfb_osc_setup is only used by pmagbbfb_probe then
annotate pmagbbfb_osc_setup with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x5f8): Section mismatch in reference from the function pmagbbfb_osc_setup() to the variable .init.data:pmagbbfb_freqs.15993
The function __devinit pmagbbfb_osc_setup() references
a variable __initdata pmagbbfb_freqs.15993.
If pmagbbfb_freqs.15993 is only used by pmagbbfb_osc_setup then
annotate pmagbbfb_freqs.15993 with a matching annotation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
WARNING: drivers/video/built-in.o(.data+0x1e0): Section mismatch in reference fr
om the variable pmagbafb_driver to the function .init.text:pmagbafb_probe()
The variable pmagbafb_driver references
the function __init pmagbafb_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Fixing this one triggers 2 more:
WARNING: drivers/video/built-in.o(.devinit.text+0xc0): Section mismatch in reference from the function pmagbafb_probe() to the variable .init.data:pmagbafb_fix
The function __devinit pmagbafb_probe() references
a variable __initdata pmagbafb_fix.
If pmagbafb_fix is only used by pmagbafb_probe then
annotate pmagbafb_fix with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x108): Section mismatch in reference from the function pmagbafb_probe() to the variable .init.data:pmagbafb_defined
The function __devinit pmagbafb_probe() references
a variable __initdata pmagbafb_defined.
If pmagbafb_defined is only used by pmagbafb_probe then
annotate pmagbafb_defined with a matching annotation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
WARNING: drivers/net/built-in.o(.data+0x24): Section mismatch in reference from
the variable dec_lance_tc_driver to the function .init.text:dec_lance_tc_probe()
The variable dec_lance_tc_driver references
the function __init dec_lance_tc_probe()
If the reference is valid then annotate the
variable with __init* or __refdata (see linux/init.h) or name the variable:
*_template, *_timer, *_sht, *_ops, *_probe, *_probe_one, *_console,
Fixing this one results in a new mismatch:
WARNING: drivers/net/built-in.o(.devinit.text+0x14): Section mismatch in reference from the function dec_lance_tc_probe() to the function .init.text:dec_lance_probe()
The function __devinit dec_lance_tc_probe() references
a function __init dec_lance_probe().
If dec_lance_probe is only used by dec_lance_tc_probe then
annotate dec_lance_probe with a matching annotation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
WARNING: drivers/video/built-in.o(.devinit.text+0x54): Section mismatch in reference from the function gbefb_probe() to the function .init.text:gbefb_setup()
The function __devinit gbefb_probe() references
a function __init gbefb_setup().
If gbefb_setup is only used by gbefb_probe then
annotate gbefb_setup with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x208): Section mismatch in reference from the function gbefb_probe() to the variable .init.data:mode_option
The function __devinit gbefb_probe() references
a variable __initdata mode_option.
If mode_option is only used by gbefb_probe then
annotate mode_option with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x214): Section mismatch in reference from the function gbefb_probe() to the variable .init.data:default_mode
The function __devinit gbefb_probe() references
a variable __initdata default_mode.
If default_mode is only used by gbefb_probe then
annotate default_mode with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x23c): Section mismatch in reference from the function gbefb_probe() to the variable .init.data:default_var
The function __devinit gbefb_probe() references
a variable __initdata default_var.
If default_var is only used by gbefb_probe then
annotate default_var with a matching annotation.
Fixing these results in more mismatches:
WARNING: drivers/video/built-in.o(.devinit.text+0x3c): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_var_LCD
The function __devinit gbefb_setup() references
a variable __initdata default_var_LCD.
If default_var_LCD is only used by gbefb_setup then
annotate default_var_LCD with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x14c): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_mode_LCD
The function __devinit gbefb_setup() references
a variable __initdata default_mode_LCD.
If default_mode_LCD is only used by gbefb_setup then
annotate default_mode_LCD with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x150): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_var_CRT
The function __devinit gbefb_setup() references
a variable __initdata default_var_CRT.
If default_var_CRT is only used by gbefb_setup then
annotate default_var_CRT with a matching annotation.
WARNING: drivers/video/built-in.o(.devinit.text+0x154): Section mismatch in reference from the function gbefb_setup() to the variable .init.data:default_mode_CRT
The function __devinit gbefb_setup() references
a variable __initdata default_mode_CRT.
If default_mode_CRT is only used by gbefb_setup then
annotate default_mode_CRT with a matching annotation.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
We cannot the initial configuration set by the BIOS not to have a dither
mode enabled which conflicts with our enabling the Spatial Temporal 1
dither mode for PCH. In particular, the BIOS may either enable temporal
dithering or the Spatial Temporal 2 with the result that we enable pure
temporal dithering. Temporal dithering looks bad and is perceived as a
flicker.
Fixes:
Bug 29248 - [Arrandale] Annoying flicker on internal panel, goes away
after suspend to RAM
https://bugs.freedesktop.org/show_bug.cgi?id=29248
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>
If a framebuffer is shared across CRTCs, the x,y position of one of them
is likely to be something other than the origin (e.g. for extended
desktop configs). So calculate the offset at flip time so such
configurations can work.
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28518.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Thomas M. <tmezzadra@gmail.com>
Tested-by: fangxun <xunx.fang@intel.com>
Cc: stable@kernel.org
Signed-off-by: Eric Anholt <eric@anholt.net>
Don't print failure to detect Core i7 EDAC facilities to the console at
boot time, most often occurring on Core i7 desktops and laptops.
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI / Sleep: Allow the NVS saving to be skipped during suspend to RAM
ACPI: create "processor.bm_check_disable" boot param
ACPI: skip checking BM_STS if the BIOS doesn't ask for it
ACPI: fix unused function warning
ACPI: processor: fix processor_physically_present on UP
ACPI video: fix string mismatch for Sony SR290 laptop
ACPI battery: don't invoke power_supply_changed twice when battery is hot-added
ACPI: handle systems which asynchoronously enable ACPI mode
This fixes the regression in 2.6.35-rcX where bluetooth network devices
would fail to be deleted from sysfs, causing their destruction and
recreation to fail. In addition this fixes the mac80211_hwsim driver
where it would leave around sysfs files when the driver was removed.
This problem is discussed at
https://bugzilla.kernel.org/show_bug.cgi?id=16257
The reason for the regression is that the network namespace support
added to sysfs expects and requires that network devices be put in
directories that can contain only network devices.
Today get_device_parent almost provides that guarantee for all class
devices, except for a specific exception when the parent of a class
devices is a class device. It would be nice to simply remove that
arguably incorrect special case, but apparently the input devices depend
on it being there. So I have only removed it for class devices with
network namespace support. Which today are the network devices.
It has been suggested that a better fix would be to change the parent
device from a class device to a bus device, which in the case of the
bluetooth driver would change /sys/class/bluetooth to /sys/bus/bluetoth,
I can not see how we would avoid significant userspace breakage if we
were to make that change.
Adding an extra directory in the path to the device will also be
userspace visible but it is much less likely to break things.
Everything is still accessible from /sys/class (for example), and it
fixes two bugs. Adding an extra directory fixes a 3 year old regression
introduced with the new sysfs layout that makes it impossible to rename
bnep0 network devices to names that conflict with hci device attributes
like hci_revsion. Adding an additional directory removes the new
failure modes introduced by the network namespace code.
If it weren't for the regession in the renaming of network devices I
would figure out how to just make the sysfs code deal with this
configuration of devices.
In summary this patch fixes regressions by changing:
"/sys/class/bluetooth/hci0/bnep0" to "/sys/class/bluetooth/hci0/net/bnep0".
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reported-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
virtio ring was changed to return an error code on OOM,
but one caller was missed and still checks for vq->vring.num.
The fix is just to check for <0 error code.
Long term it might make sense to change goto add_head to
just return an error on oom instead, but let's apply
a minimal fix for 2.6.35.
Reported-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Tested-by: Chris Mason <chris.mason@oracle.com>
Cc: stable@kernel.org # .34.x
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix subsequent suspends by issuing tpm_continue_selftest during resume.
Otherwise, the tpm chip seems to be not fully initialized and will reject
the save state command during suspend, thus preventing the whole system
to suspend.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16256
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
Cc: James Morris <jmorris@namei.org>
Cc: Debora Velarde <debora@linux.vnet.ibm.com>
Cc: David Safford <safford@watson.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <jmorris@namei.org>
There are still some LRO cards that cause GSO errors in tun,
and BUG on this is an unfriendly way to tell the admin
to disable LRO.
Further, experience shows we might have more GSO bugs lurking.
See https://bugzilla.kernel.org/show_bug.cgi?id=16413
as a recent example.
dumping a packet will make it easier to figure it out.
Replace BUG with warning+dump+drop the packet to make
GSO errors in tun less critical and easier to debug.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Alex Unigovsky <unik@compot.ru>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
After:
commit 6146b1a4da
Author: Jay Vosburgh <fubar@us.ibm.com>
Date: Tue Nov 4 17:51:15 2008 -0800
bonding: Fix ALB mode to balance traffic on VLANs
the dev field in the RLB ARP packet handler was set to NULL to wildcard
and accommodate balancing VLANs on top of bonds.
This has the side-effect of the packet handler being called against
other, non RLB-enabled bonds, and a kernel oops results when it tries to
dereference rx_hashtbl in rlb_update_entry_from_arp(), which won't be
set for those bonds, e.g. active-backup.
With the __netif_receive_skb() changes from:
commit 1f3c8804ac
Author: Andy Gospodarek <andy@greyhouse.net>
Date: Mon Dec 14 10:48:58 2009 +0000
bonding: allow arp_ip_targets on separate vlans to use arp validation
frames received on VLANs correctly make their way to the bond's handler,
so we no longer need to wildcard the device.
The oops can be reproduced by:
modprobe bonding
echo active-backup > /sys/class/net/bond0/bonding/mode
echo 100 > /sys/class/net/bond0/bonding/miimon
ifconfig bond0 xxx.xxx.xxx.xxx netmask xxx.xxx.xxx.xxx
echo +eth0 > /sys/class/net/bond0/bonding/slaves
echo +eth1 > /sys/class/net/bond0/bonding/slaves
echo +bond1 > /sys/class/net/bonding_masters
echo balance-alb > /sys/class/net/bond1/bonding/mode
echo 100 > /sys/class/net/bond1/bonding/miimon
ifconfig bond1 xxx.xxx.xxx.xxx netmask xxx.xxx.xxx.xxx
echo +eth2 > /sys/class/net/bond1/bonding/slaves
echo +eth3 > /sys/class/net/bond1/bonding/slaves
Pass some traffic on bond0. Boom.
[ Tested, behaves as advertised. I do not believe a test of the bonding
mode is necessary, as there is no race between the packet handler and
the bonding mode changing (the mode can only change when the device is
closed). Also updated the log message to include the reproduction and
full commit ids. -J ]
Signed-off-by: Greg Edwards <greg.edwards@hp.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Acked-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 2a6b69765a
(ACPI: Store NVS state even when entering suspend to RAM) caused the
ACPI suspend code save the NVS area during suspend and restore it
during resume unconditionally, although it is known that some systems
need to use acpi_sleep=s4_nonvs for hibernation to work. To allow
the affected systems to avoid saving and restoring the NVS area
during suspend to RAM and resume, introduce kernel command line
option acpi_sleep=nonvs and make acpi_sleep=s4_nonvs work as its
alias temporarily (add acpi_sleep=s4_nonvs to the feature removal
file).
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=16396 .
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reported-and-tested-by: tomas m <tmezzadra@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
processor.bm_check_disable=1" prevents Linux from checking BM_STS
before entering C3-type cpu power states.
This may be useful for a system running acpi_idle
where the BIOS exports FADT C-states, _CST IO C-states,
or _CST FFH C-states with the BM_STS bit set;
while configuring the chipset to set BM_STS
more frequently than perhaps is optimal.
Note that such systems may have been developed
using a tickful OS that would quickly clear BM_STS,
rather than a tickless OS that may go for some time
between checking and clearing BM_STS.
Note also that an alternative for newer systems
is to use the intel_idle driver, which always
ignores BM_STS, relying Linux device drivers
to register constraints explicitly via PM_QOS.
https://bugzilla.kernel.org/show_bug.cgi?id=15886
Signed-off-by: Len Brown <len.brown@intel.com>
It turns out that there is a bit in the _CST for Intel FFH C3
that tells the OS if we should be checking BM_STS or not.
Linux has been unconditionally checking BM_STS.
If the chip-set is configured to enable BM_STS,
it can retard or completely prevent entry into
deep C-states -- as illustrated by turbostat:
http://userweb.kernel.org/~lenb/acpi/utils/pmtools/turbostat/
ref: Intel Processor Vendor-Specific ACPI Interface Specification
table 4 "_CST FFH GAS Field Encoding"
Bit 1: Set to 1 if OSPM should use Bus Master avoidance for this C-state
https://bugzilla.kernel.org/show_bug.cgi?id=15886
Signed-off-by: Len Brown <len.brown@intel.com>
Mark Wagner reported OOM symptoms when sending UDP traffic over
a macvtap link to a kvm receiver.
This appears to be caused by the fact that macvtap packet queues
are unlimited in length. This means that if the receiver can't
keep up with the rate of flow, then we will hit OOM. Of course
it gets worse if the OOM killer then decides to kill the receiver.
This patch imposes a cap on the packet queue length, in the same
way as the tuntap driver, using the device TX queue length.
Please note that macvtap currently has no way of giving congestion
notification, that means the software device TX queue cannot be
used and packets will always be dropped once the macvtap driver
queue fills up.
This shouldn't be a great problem for the scenario where macvtap
is used to feed a kvm receiver, as the traffic is most likely
external in origin so congestion notification can't be applied
anyway.
Of course, if anybody decides to complain about guest-to-guest
UDP packet loss down the track, then we may have to revisit this.
Incidentally, this patch also fixes a real memory leak when
macvtap_get_queue fails.
Chris Wright noticed that for this patch to work, we need a
non-zero TX queue length. This patch includes his work to change
the default macvtap TX queue length to 500.
Reported-by: Mark Wagner <mwagner@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: synaptics - relax capability ID checks on newer hardware
Input: twl40300-keypad - fix handling of "all ground" rows
Input: gamecon - reference correct pad in gc_psx_command()
Input: gamecon - reference correct input device in NES mode
Input: w90p910_keypad - change platfrom driver name to 'nuc900-kpi'
Input: i8042 - add Gigabyte Spring Peak to dmi_noloop_table
Input: qt2160 - rename kconfig symbol name
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon/kms: add quirk to make HP DV5000 laptop resume
drm/radeon/kms: fix RADEON_INFO_CRTC_FROM_ID info ioctl
Fix ttm_page_alloc.c build breakage
drm/radeon/kms: fix legacy LVDS dpms sequence
drm/radeon/kms: drop taking lock around crtc lookup.
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
sysrq,kdb: Use __handle_sysrq() for kdb's sysrq function
debug_core,kdb: fix kgdb_connected bit set in the wrong place
Fix merge regression from external kdb to upstream kdb
repair gdbstub to match the gdbserial protocol specification
kdb: break out of kdb_ll() when command is terminated
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=29062
Reported-by: Andres Cimmarusti <acimmarusti@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Older firmwares fixed the middle byte of the Synaptics capabilities
query to 0x47, but starting with firmware 7.5 the middle byte
represents submodel ID, sometimes also called "dash number".
Reported-and-tested-by: Miroslav Šulc <fordfrog@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
The kdb code should not toggle the sysrq state in case an end user
wants to try and resume the normal kernel execution.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Return the crtc_id, not the counter value. They are not
necessarily the same.
Cc: Jerome Glisse <glisse@freedesktop.org>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The commit 1e8655f873
drm/ttm: Fix build on architectures without AGP
looks at TTM_HAS_AGP before it has been set in ttm_bo_driver.h
Move the conditional inclusion of <asm/agp.h> *after* we have included
ttm_bo_driver.h
Signed-of-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add delay after turning off the LVDS encoder.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=16389
Tested-by: Jan Kreuzer <kontrollator@gmx.de>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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