Commit Graph

52362 Commits

Author SHA1 Message Date
Kim, Milo 6029719f08 lp8727_charger: Clean up lp8727 definitions
All definitions should be unique, since they're in the gloabl namespace.
So the prefix LP8727_ are added. Additionally, use BIT() macro for bit
masks. Remove unnecessary definitions such as SW_DM1_U1 and SW_DP2_U2.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:01:33 -07:00
Kim, Milo 60fd57e06e lp8727_charger: Add configurable debouce timer
Debounce time is configurable in the platform side. If it is not defined,
the default value is 270ms.

Platform data is msec unit, and this time is converted to jiffies
internally. The workqueue uses this jiffies time in the interrupt
handling. So debounce_jiffies is added in the private data.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:57:12 -07:00
Kim, Milo 318cb389d0 lp8727_charger: Fix buggy code of NULL pdata
LP8727 platform data is optional, so the driver should work even the
platform data is NULL.

To check the platform data, charging parameter data should be changed to
the pointer type.

Fix NULL point access problem when getting the battery properties. When
the data is NULL, just return as invalid value.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:56:49 -07:00
Jett.Zhou a830d28b48 power_supply: Enable battery-charger for 88pm860x
There are charger and battery measurement feature for 88pm860x PMIC.

For charger, it can support pre-charge with small current when battery is
nearly exausted and then changed into fast-charge with CC&CV mode.

For battery monitor, it can support battery measurement such as
vbat,vsys,vchg and ibat etc,it can aslo accumulating the Coulomb value
charged or discharged from battery based on Conlomb Counter, we use it
to estimate battery capacity.

Signed-off-by: Jett.Zhou <jtzhou@marvell.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 15:32:55 -07:00
Ramakrishna Pallala 2815b786c3 power_supply: Add new power supply properties CHARGE_CURRENT/VOLTAGE_MAX
There are different types of chargers avalibale like AC, Solar, USB,
etc..  Even in USB we have different types SDP/DCP/CDP/ACA and all these
chargers have different o/p ratings. For example SDP supports only 500mA
of charge current whereas AC charger can support upto 8A or more.

Similarly batteries also come with charge current and voltage ratings
and these ratings vary depending on its capacity and the technology
used.

This patch adds two new power supply properties
CONSTANT_CHARGE_CURRENT_MAX and CONSTANT_CHARGE_CURRENT_MAX.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-08-22 21:59:15 -07:00
Anton Vorontsov c6b2744c5d charger-manager: Fix struct charger_desc's misleading comment
The comment says that charger_regulators is an array of
regulator_bulk_data, which is not true, since it's actually a pointer
to 'struct charger_regulator'.

Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-08-22 21:49:35 -07:00
Chanwoo Choi fd65ee5f1c charger-manager: Use replacement variable to check state of battery
This patch remove unnecessary variable(cm->fullbatt_vchk_uV) by using
'desc->fullbatt_uV' field directly in fullbatt_handler() function
to check the state of battery.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Myungjoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-08-22 20:09:08 -07:00
Ramakrishna Pallala b1b56872be power_supply: Add new power supply AUTHENTIC property
It is possible that users can use non-standard chargers or use invalid
batteries especially with mobile devices.

This patch adds a new power supply property called 'AUTHENTIC' to
indicate this to the user(user space).

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-08-22 19:56:37 -07:00
Linus Torvalds 63ca5f1d17 VFIO for v3.6-rc1
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Merge tag 'vfio-for-v3.6-rc1' of git://github.com/awilliam/linux-vfio

Pull VFIO fix from Alex Williamson:
 "Just a trivial patch to include vfio.h in the installed headers so we
  can complete userspace integration into QEMU."

* tag 'vfio-for-v3.6-rc1' of git://github.com/awilliam/linux-vfio:
  vfio: Include vfio.h in installed headers
2012-08-16 11:47:42 -07:00
Linus Torvalds 2eac9eb8a2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: verify all ioctl retry iov elements
  fuse: add missing INIT flag descriptions
  fuse: add missing INIT flags
  fuse: update attributes on aio_read
  fuse: invalidate inode mapping if mtime changes
  fuse: add FUSE_AUTO_INVAL_DATA init flag
2012-08-16 11:46:31 -07:00
Linus Torvalds 930a93a5ef Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Radeon and intel fixes mostly, one fix to the mgag200 driver to not
  hang on certain server variants."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (32 commits)
  drm/radeon: fix typo in function header comment
  drm/radeon/kms: implement timestamp userspace query (v2)
  drm/radeon/kms: add MSAA texture support for r600-evergreen
  drm/radeon/kms: reorder code in r600_check_texture_resource
  drm/radeon: fence virtual address and free it once idle v4
  drm/radeon: fix some missing parens in asic macros
  drm/radeon: add some new SI pci ids
  drm/radeon: fix ordering in pll picking on dce4+
  drm/radeon: do not reenable crtc after moving vram start address
  drm/radeon: fix bank tiling parameters on cayman
  drm/radeon: fix bank tiling parameters on evergreen
  drm/radeon: fix bank tiling parameters on SI
  drm/radeon: properly handle crtc powergating
  drm/radeon: properly handle SS overrides on TN (v2)
  drm/radeon/dce4+: set a more reasonable cursor watermark
  drm/radeon: fix handling for ddc type 5 on combios
  drm/mgag200: fix G200ER pll picking algorithm
  drm/edid: Fix potential memory leak in edid_load()
  drm/udl: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(.. [1]
  drm/radeon/kms: allow "invalid" DB formats as a means to disable DB
  ...
2012-08-14 07:52:41 +03:00
Marek Olšák 6759a0a7a0 drm/radeon/kms: implement timestamp userspace query (v2)
Returns a snapshot of the GPU clock counter.  Needed
for certain OpenGL extensions.

v2: agd5f
- address Jerome's comments
- add function documentation

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-08-13 10:50:56 -04:00
Alex Deucher 2f292004dd drm/radeon: add some new SI pci ids
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
2012-08-13 10:50:53 -04:00
Linus Torvalds 1c212c65b2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking changes from David Miller:
 "Most importantly this should cure the ipv4-mapped ipv6 socket TCP
  crashes some people were seeing, otherwise:

   1) Fix e1000e autonegotiation handling regression, from Tushar Dave.

   2) Fix TX data corruption race on e1000e down, also from Tushar Dave.

   3) Fix bfin_sir IRDA driver build, from Sonic Zhang.

   4) AF_PACKET mmap() tests a flag in the TX ring shared between
      userspace and the kernel for an internal consistency check.  It
      really shouldn't do this to validate the kernel's own behavior
      because the user can corrupt it to be any value at all.  From
      Daniel Borkmann.

   5) Fix TCP metrics leak on netns dismantle, from Eric Dumazet.

   6) Orphan the anonymous TCP socket from the SKB in
      ip_send_unicast_reply() so that the rest of the stack needn't see
      it.  Otherwise we get selinux problems of all sorts, from Eric
      Dumazet.

      This is the best way to fix this since the socket is just a place
      holder for sending packets in a context where we have no real
      socket at all.

   7) Fix TUN detach crashes, from Stanislav Kinsbursky.

   8) dev_set_alias() leaks memory on krealloc() failure, from Alexey
      Khoroshilov.

   9) FIB trie must use call_rcu() not call_rcu_bh(), because this code
      is not universally invoked from software interrupts.  From Eric
      Dumazet.

  10) PPTP looks up ipv4 routes with the wrong network namespace, fix
      from Gao Feng."

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (33 commits)
  bnx2x: Fix compiler warnings
  af_packet: remove BUG statement in tpacket_destruct_skb
  macvtap: rcu_dereference outside read-lock section
  codel: refine one condition to avoid a nul rec_inv_sqrt
  ixgbe: add missing braces
  ipv4: fix ip_send_skb()
  net: tcp: ipv6_mapped needs sk_rx_dst_set method
  ipv4: tcp: unicast_sock should not land outside of TCP stack
  bnx2x: Fix recovery flow cleanup during probe
  bnx2x: fix unload previous driver flow when flr-capable
  tun: don't zeroize sock->file on detach
  igb: Fix register defines for all non-82575 hardware
  e1000e: fix panic while dumping packets on Tx hang with IOMMU
  igb: fix panic while dumping packets on Tx hang with IOMMU
  tcp: must free metrics at net dismantle
  net/stmmac: mark probe function as __devinit
  lpc_eth: remove obsolete ifdefs
  net/core: Fix potential memory leak in dev_set_alias()
  cdc-phonet: Don't leak in usbpn_open
  batman-adv: Fix mem leak in the batadv_tt_local_event() function
  ...
2012-08-13 09:18:19 +03:00
Linus Torvalds c8dfbf48d3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull a security subsystem fix from James Morris
 "This fixes an issue in the Yama LSM"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  Yama: higher restrictions should block PTRACE_TRACEME
2012-08-12 21:36:13 +03:00
Linus Torvalds e4e139bebd Power management fixes for 3.6-rc2
* Fix for two recent regressions in the generic PM domains framework.
 * Revert of a commit that introduced a resume regression and is conceptually
   incorrect in my opinion.
 * Fix for a return value in pcc-cpufreq.c from Julia Lawall.
 * RTC wakeup signaling fix from Neil Brown.
 * Suppression of compiler warnings for CONFIG_PM_SLEEP unset in ACPI,
   platform/x86 and TPM drivers.
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Merge tag 'pm-for-3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael J. Wysocki:

 - Fix for two recent regressions in the generic PM domains framework.

 - Revert of a commit that introduced a resume regression and is
   conceptually incorrect in my opinion.

 - Fix for a return value in pcc-cpufreq.c from Julia Lawall.

 - RTC wakeup signaling fix from Neil Brown.

 - Suppression of compiler warnings for CONFIG_PM_SLEEP unset in ACPI,
   platform/x86 and TPM drivers.

* tag 'pm-for-3.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  tpm_tis / PM: Fix unused function warning for CONFIG_PM_SLEEP
  platform / x86 / PM: Fix unused function warnings for CONFIG_PM_SLEEP
  ACPI / PM: Fix unused function warnings for CONFIG_PM_SLEEP
  Revert "NMI watchdog: fix for lockup detector breakage on resume"
  PM: Make dev_pm_get_subsys_data() always return 0 on success
  drivers/cpufreq/pcc-cpufreq.c: fix error return code
  RTC: Avoid races between RTC alarm wakeup and suspend.
2012-08-12 21:34:09 +03:00
Linus Torvalds 88de3d0d71 arm-soc: bug fixes for v3.6-rc2
These are a bunch of bug fixes that came in after the merge window and
 one update for the MAINTAINERS file. The largest part of the fixes
 are patches that address bugs found by building all the ARM defconfig
 files. There are a lot more warnings that we have patches for, but
 the others are either still under discussion or are harmless and
 do not cause actual problems besides making the build slightly noisy.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc bug fixes from Arnd Bergmann:
 "These are a bunch of bug fixes that came in after the merge window and
  one update for the MAINTAINERS file.

  The largest part of the fixes are patches that address bugs found by
  building all the ARM defconfig files.  There are a lot more warnings
  that we have patches for, but the others are either still under
  discussion or are harmless and do not cause actual problems besides
  making the build slightly noisy."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (30 commits)
  ARM: davinci: remove broken ntosd2_init_i2c
  ARM: s3c24xx: enable CONFIG_BUG for tct_hammer
  omap-rng: fix use of SIMPLE_DEV_PM_OPS
  spi/s3c64xx: improve error handling
  mtd/omap2: fix dmaengine_slave_config error handling
  gpio: em: do not discard em_gio_irq_domain_cleanup
  ARM: exynos: exynos_pm_add_dev_to_genpd may be unused
  ARM: imx: gpmi-nand depends on mxs-dma
  ARM: integrator: include <linux/export.h>
  ARM: s3c24xx: use new PWM driver
  ARM: sa1100: include linux/io.h in hackkit leds code
  Input: eeti_ts: pass gpio value instead of IRQ
  ARM: pxa: remove irq_to_gpio from ezx-pcap driver
  ARM: tegra: more regulator fixes for Harmony
  usb/ohci-omap: remove unused variable
  mfd/asic3: fix asic3_mfd_probe return value
  ARM: kirkwood: fix typo in Makefile.boot
  i.MX27: Fix emma-prp and csi clocks.
  ARM: integrator: use clk_prepare_enable() for timer
  MAINTAINERS: update entry for Linus Walleij
  ...
2012-08-12 21:31:44 +03:00
Eric Dumazet 2359a47671 codel: refine one condition to avoid a nul rec_inv_sqrt
One condition before codel_Newton_step() was not good if
we never left the dropping state for a flow. As a result
rec_inv_sqrt was 0, instead of the ~0 initial value.

codel control law was then set to a very aggressive mode, dropping
many packets before reaching 'target' and recovering from this problem.

To keep codel_vars_init() as efficient as possible, refine
the condition to make sure rec_inv_sqrt initial value is correct

Many thanks to Anton Mich for discovering the issue and suggesting
a fix.

Reported-by: Anton Mich <lp2s1h@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-10 16:52:54 -07:00
Eric Dumazet b5ec8eeac4 ipv4: fix ip_send_skb()
ip_send_skb() can send orphaned skb, so we must pass the net pointer to
avoid possible NULL dereference in error path.

Bug added by commit 3a7c384ffd (ipv4: tcp: unicast_sock should not
land outside of TCP stack)

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-10 14:08:57 -07:00
Kees Cook 9d8dad742a Yama: higher restrictions should block PTRACE_TRACEME
The higher ptrace restriction levels should be blocking even
PTRACE_TRACEME requests. The comments in the LSM documentation are
misleading about when the checks happen (the parent does not go through
security_ptrace_access_check() on a PTRACE_TRACEME call).

Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@vger.kernel.org # 3.5.x and later
Signed-off-by: James Morris <james.l.morris@oracle.com>
2012-08-10 19:58:07 +10:00
Eric Dumazet 63d02d157e net: tcp: ipv6_mapped needs sk_rx_dst_set method
commit 5d299f3d3c (net: ipv6: fix TCP early demux) added a
regression for ipv6_mapped case.

[   67.422369] SELinux: initialized (dev autofs, type autofs), uses
genfs_contexts
[   67.449678] SELinux: initialized (dev autofs, type autofs), uses
genfs_contexts
[   92.631060] BUG: unable to handle kernel NULL pointer dereference at
(null)
[   92.631435] IP: [<          (null)>]           (null)
[   92.631645] PGD 0
[   92.631846] Oops: 0010 [#1] SMP
[   92.632095] Modules linked in: autofs4 sunrpc ipv6 dm_mirror
dm_region_hash dm_log dm_multipath dm_mod video sbs sbshc battery ac lp
parport sg snd_hda_intel snd_hda_codec snd_seq_oss snd_seq_midi_event
snd_seq snd_seq_device pcspkr snd_pcm_oss snd_mixer_oss snd_pcm
snd_timer serio_raw button floppy snd i2c_i801 i2c_core soundcore
snd_page_alloc shpchp ide_cd_mod cdrom microcode ehci_hcd ohci_hcd
uhci_hcd
[   92.634294] CPU 0
[   92.634294] Pid: 4469, comm: sendmail Not tainted 3.6.0-rc1 #3
[   92.634294] RIP: 0010:[<0000000000000000>]  [<          (null)>]
(null)
[   92.634294] RSP: 0018:ffff880245fc7cb0  EFLAGS: 00010282
[   92.634294] RAX: ffffffffa01985f0 RBX: ffff88024827ad00 RCX:
0000000000000000
[   92.634294] RDX: 0000000000000218 RSI: ffff880254735380 RDI:
ffff88024827ad00
[   92.634294] RBP: ffff880245fc7cc8 R08: 0000000000000001 R09:
0000000000000000
[   92.634294] R10: 0000000000000000 R11: ffff880245fc7bf8 R12:
ffff880254735380
[   92.634294] R13: ffff880254735380 R14: 0000000000000000 R15:
7fffffffffff0218
[   92.634294] FS:  00007f4516ccd6f0(0000) GS:ffff880256600000(0000)
knlGS:0000000000000000
[   92.634294] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[   92.634294] CR2: 0000000000000000 CR3: 0000000245ed1000 CR4:
00000000000007f0
[   92.634294] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   92.634294] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[   92.634294] Process sendmail (pid: 4469, threadinfo ffff880245fc6000,
task ffff880254b8cac0)
[   92.634294] Stack:
[   92.634294]  ffffffff813837a7 ffff88024827ad00 ffff880254b6b0e8
ffff880245fc7d68
[   92.634294]  ffffffff81385083 00000000001d2680 ffff8802547353a8
ffff880245fc7d18
[   92.634294]  ffffffff8105903a ffff88024827ad60 0000000000000002
00000000000000ff
[   92.634294] Call Trace:
[   92.634294]  [<ffffffff813837a7>] ? tcp_finish_connect+0x2c/0xfa
[   92.634294]  [<ffffffff81385083>] tcp_rcv_state_process+0x2b6/0x9c6
[   92.634294]  [<ffffffff8105903a>] ? sched_clock_cpu+0xc3/0xd1
[   92.634294]  [<ffffffff81059073>] ? local_clock+0x2b/0x3c
[   92.634294]  [<ffffffff8138caf3>] tcp_v4_do_rcv+0x63a/0x670
[   92.634294]  [<ffffffff8133278e>] release_sock+0x128/0x1bd
[   92.634294]  [<ffffffff8139f060>] __inet_stream_connect+0x1b1/0x352
[   92.634294]  [<ffffffff813325f5>] ? lock_sock_nested+0x74/0x7f
[   92.634294]  [<ffffffff8104b333>] ? wake_up_bit+0x25/0x25
[   92.634294]  [<ffffffff813325f5>] ? lock_sock_nested+0x74/0x7f
[   92.634294]  [<ffffffff8139f223>] ? inet_stream_connect+0x22/0x4b
[   92.634294]  [<ffffffff8139f234>] inet_stream_connect+0x33/0x4b
[   92.634294]  [<ffffffff8132e8cf>] sys_connect+0x78/0x9e
[   92.634294]  [<ffffffff813fd407>] ? sysret_check+0x1b/0x56
[   92.634294]  [<ffffffff81088503>] ? __audit_syscall_entry+0x195/0x1c8
[   92.634294]  [<ffffffff811cc26e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[   92.634294]  [<ffffffff813fd3e2>] system_call_fastpath+0x16/0x1b
[   92.634294] Code:  Bad RIP value.
[   92.634294] RIP  [<          (null)>]           (null)
[   92.634294]  RSP <ffff880245fc7cb0>
[   92.634294] CR2: 0000000000000000
[   92.648982] ---[ end trace 24e2bed94314c8d9 ]---
[   92.649146] Kernel panic - not syncing: Fatal exception in interrupt

Fix this using inet_sk_rx_dst_set(), and export this function in case
IPv6 is modular.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-09 20:56:09 -07:00
Arnd Bergmann 4eef6cbfcc Input: eeti_ts: pass gpio value instead of IRQ
The EETI touchscreen asserts its IRQ line as soon as it has data in its
internal buffers. The line is automatically deasserted once all data has
been read via I2C. Hence, the driver has to monitor the GPIO line and
cannot simply rely on the interrupt handler reception.

In the current implementation of the driver, irq_to_gpio() is used to
determine the GPIO number from the i2c_client's IRQ value.

As irq_to_gpio() is not available on all platforms, this patch changes
this and makes the driver ignore the passed in IRQ. Instead, a GPIO is
added to the platform_data struct and gpio_to_irq is used to derive the
IRQ from that GPIO. If this fails, bail out. The driver is only able to
work in environments where the touchscreen GPIO can be mapped to an
IRQ.

Without this patch, building raumfeld_defconfig results in:

drivers/input/touchscreen/eeti_ts.c: In function 'eeti_ts_irq_active':
drivers/input/touchscreen/eeti_ts.c:65:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]

Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: stable@vger.kernel.org (v3.2+)
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Sven Neumann <s.neumann@raumfeld.com>
Cc: linux-input@vger.kernel.org
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
2012-08-09 15:16:41 +02:00
Arnd Bergmann 59ee93a528 ARM: pxa: remove irq_to_gpio from ezx-pcap driver
The irq_to_gpio function was removed from the pxa platform
in linux-3.2, and this driver has been broken since.

There is actually no in-tree user of this driver that adds
this platform device, but the driver can and does get enabled
on some platforms.

Without this patch, building ezx_defconfig results in:

drivers/mfd/ezx-pcap.c: In function 'pcap_isr_work':
drivers/mfd/ezx-pcap.c:205:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: stable@vger.kernel.org (v3.2+)
Cc: Samuel Ortiz <sameo@linux.intel.com>
Cc: Daniel Ribeiro <drwyrm@gmail.com>
2012-08-09 15:16:41 +02:00
Eric Dumazet a37e6e3449 net: force dst_default_metrics to const section
While investigating on network performance problems, I found this little
gem :

$ nm -v vmlinux | grep -1 dst_default_metrics
ffffffff82736540 b busy.46605
ffffffff82736560 B dst_default_metrics
ffffffff82736598 b dst_busy_list

Apparently, declaring a const array without initializer put it in
(writeable) bss section, in middle of possibly often dirtied cache
lines.

Since we really want dst_default_metrics be const to avoid any possible
false sharing and catch any buggy writes, I force a null initializer.

ffffffff818a4c20 R dst_default_metrics

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-08 16:00:28 -07:00
David S. Miller d933d2beb1 Merge branch 'fixes-for-3.6' of git://gitorious.org/linux-can/linux-can
Marc Kleine-Budde says:

====================
here's a fix intended for the v3.6 release cycle. Oliver noticed and
fixed that the flags definition for the new canfd_frame contains
redundant and confusing information.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-08 15:55:02 -07:00
Rafael J. Wysocki 300d3739e8 Revert "NMI watchdog: fix for lockup detector breakage on resume"
Revert commit 45226e9 (NMI watchdog: fix for lockup detector breakage
on resume) which breaks resume from system suspend on my SH7372
Mackerel board (by causing a NULL pointer dereference to happen) and
is generally wrong, because it abuses the CPU hotplug functionality
in a shamelessly blatant way.

The original issue should be addressed through appropriate syscore
resume callback instead.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-08-08 20:49:45 +02:00
Linus Torvalds f4ba394c1b Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Missed rcu_assign_pointer() in mac80211 scanning, from Johannes
    Berg.

 2) Allow devices to limit the number of segments that an individual
    TCP TSO packet can use at a time, to deal with device and/or driver
    specific limitations.  From Ben Hutchings.

 3) Fix unexpected hard IPSEC expiration after setting the date.  From
    Fan Du.

 4) Memory leak fix in bxn2x driver, from Jesper Juhl.

 5) Fix two memory leaks in libertas driver, from Daniel Drake.

 6) Fix deref of out-of-range array index in packet scheduler generic
    actions layer.  From Hiroaki SHIMODA.

 7) Fix TX flow control errors in mlx4 driver, from Yevgeny Petrilin.

 8) Fix CRIS eth_v10.c driver build, from Randy Dunlap.

 9) Fix wrong SKB freeing in LLC protocol layer, from Sorin Dumitru.

10) The IP output path checks neigh lookup errors incorrectly, it needs
    to use IS_ERR().  From Vasiliy Kulikov.

11) An estimator leak leads to deref of freed memory in timer handler,
    fix from Hiroaki SHIMODA.

12) TCP early demux in ipv6 needs to use DST cookies in order to
    validate the RX route properly.  Fix from Eric Dumazet.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
  net: ipv6: fix TCP early demux
  net: Use PTR_RET rather than if(IS_ERR(.. [1]
  net_sched: act: Delete estimator in error path.
  ip: fix error handling in ip_finish_output2()
  llc: free the right skb
  ixp4xx_eth: fix ptp_ixp46x build failure
  drivers/atm/iphase.c: fix error return code
  tcp_output: fix sparse warning for tcp_wfree
  drivers/net/phy/mdio-mux-gpio.c: drop devm_kfree of devm_kzalloc'd data
  batman-adv: select an internet gateway if none was chosen
  mISDN: Bugfix for layer2 fixed TEI mode
  igb: don't break user visible strings over multiple lines in igb_ethtool.c
  igb: correct hardware type (i210/i211) check in igb_loopback_test()
  igb: Fix for failure to init on some 82576 devices.
  cris: fix eth_v10.c build error
  cdc-ncm: tag Ericsson WWAN devices (eg F5521gw) with FLAG_WWAN
  isdnloop: fix and simplify isdnloop_init()
  hyperv: Move wait completion msg code into rndis_filter_halt_device()
  net/mlx4_core: Remove port type restrictions
  net/mlx4_en: Fixing TX queue stop/wake flow
  ...
2012-08-08 20:06:43 +03:00
Linus Torvalds 7f46f9c130 IOMMU fixes for Linux v3.6-rc1
These patches fix a couple of issues. First of all a few problems with
 ACS on x86 introduced in the last merge window, where ACS did not work
 on AMD and a NULL pointer dereference when there ran against SR-IOV
 devices.
 The patches fallen out of coccinelle checks fix a possible invalid
 memory reference and a possible memory leak. The other patches mostly
 fix build errors and warnings and a wrong return value.
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Merge tag 'iommu-fixes-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:
 "These patches fix a couple of issues.  First of all a few problems
  with ACS on x86 introduced in the last merge window, where ACS did not
  work on AMD and a NULL pointer dereference when there ran against
  SR-IOV devices.

  The patches fallen out of coccinelle checks fix a possible invalid
  memory reference and a possible memory leak.  The other patches mostly
  fix build errors and warnings and a wrong return value."

* tag 'iommu-fixes-v3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/amd: Fix ACS path checking
  iommu/intel: Fix ACS path checking
  iommu/amd: Fix pci_request_acs() call-place
  iommu/exynos: Fix build error
  iommu/tegra: smmu: Fix error initial value at domain_init
  iommu/tegra: smmu: Cleanup with lesser nest
  iommu: Add missing forward declaration in include file
  iommu: Include linux/types.h
  iommu/intel: add missing free_domain_mem
  iommu/tegra: remove invalid reference to list iterator variable
2012-08-08 20:01:45 +03:00
Alex Williamson 817fea2df3 vfio: Include vfio.h in installed headers
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2012-08-07 11:48:33 -06:00
Oliver Hartkopp 035534ed33 canfd: remove redundant CAN FD flag
The first idea of the CAN FD implementation started with a new struct
canfd_frame to be used for both CAN FD frames and legacy CAN frames.
The now mainlined implementation supports both CAN frame types simultaneously
and distinguishes them only by their required sizes: CAN_MTU and CANFD_MTU.

Only the struct canfd_frame contains a flags element which is needed for the
additional CAN FD information. As CAN FD implicitly means that the 'Extened
Data Length' mode is enabled the formerly defined CANFD_EDL bit became
redundant and also confusing as an unset bit would be an error and would
always need to be tested.

This patch removes the obsolete CANFD_EDL bit and clarifies the documentation
for the use of struct canfd_frame and the CAN FD relevant flags.

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2012-08-07 10:10:57 +02:00
Eric Dumazet 5d299f3d3c net: ipv6: fix TCP early demux
IPv6 needs a cookie in dst_check() call.

We need to add rx_dst_cookie and provide a family independent
sk_rx_dst_set(sk, skb) method to properly support IPv6 TCP early demux.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-06 13:33:21 -07:00
Linus Torvalds e7882d6c40 Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS fixes and cleanups from Al Viro.

Most of this is the series to remove sync_supers() and the
->write_supers VFS callback from Artem Bityutskiy.  One commit to do the
actual removal work, a whole series of commits to fix up stale comments
etc all over the tree.

There's also a regression fix for an incorrect use of mnt_drop_write()
in do_dentry_open().

* 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  missed mnt_drop_write() in do_dentry_open()
  UBIFS: nuke pdflush from comments
  gfs2: nuke pdflush from comments
  drbd: nuke pdflush from comments
  nilfs2: nuke write_super from comments
  hfs: nuke write_super from comments
  vfs: nuke pdflush from comments
  jbd/jbd2: nuke write_super from comments
  btrfs: nuke pdflush from comments
  btrfs: nuke write_super from comments
  ext4: nuke pdflush from comments
  ext4: nuke write_super from comments
  ext3: nuke write_super from comments
  Documentation: fix the VM knobs descritpion WRT pdflush
  Documentation: get rid of write_super
  vfs: kill write_super and sync_supers
2012-08-04 08:32:46 -07:00
Artem Bityutskiy 0d5c3eba2e vfs: nuke pdflush from comments
The pdflush thread is long gone, so this patch removes references to pdflush
from vfs comments.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-08-04 12:15:37 +04:00
Artem Bityutskiy f0cd2dbb6c vfs: kill write_super and sync_supers
Finally we can kill the 'sync_supers' kernel thread along with the
'->write_super()' superblock operation because all the users are gone.
Now every file-system is supposed to self-manage own superblock and
its dirty state.

The nice thing about killing this thread is that it improves power management.
Indeed, 'sync_supers' is a source of monotonic system wake-ups - it woke up
every 5 seconds no matter what - even if there were no dirty superblocks and
even if there were no file-systems using this service (e.g., btrfs and
journalled ext4 do not need it). So it was wasting power most of the time. And
because the thread was in the core of the kernel, all systems had to have it.
So I am quite happy to make it go away.

Interestingly, this thread is a left-over from the pdflush kernel thread which
was a self-forking kernel thread responsible for all the write-back in old
Linux kernels. It was turned into per-block device BDI threads, and
'sync_supers' was a left-over. Thus, R.I.P, pdflush as well.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-08-04 01:24:44 +04:00
Linus Torvalds d8579fd834 Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI and power management fixes from Len Brown:
 "A 3.3 sleep regression fixed, numa bugfix, plus some minor cleanups"

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  ACPI processor: Fix tick_broadcast_mask online/offline regression
  ACPI: Only count valid srat memory structures
  ACPI: Untangle a return statement for better readability
  ACPI / PCI: Do not try to acquire _OSC control if that is hopeless
  ACPI: delete _GTS/_BFS support
  ACPI/x86: revert 'x86, acpi: Call acpi_enter_sleep_state via an asmlinkage C function from assembler'
  ACPI: replace strlen("string") with sizeof("string") -1
  ACPI / PM: Fix build warning in sleep.c for CONFIG_ACPI_SLEEP unset
2012-08-03 14:10:00 -07:00
Linus Torvalds ddc5057c1c Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
 "One regression fix, and a couple of cleanups that clean up the code
  flow in areas that had high-profile bugs recently."

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time: Remove all direct references to timekeeper
  time: Clean up offs_real/wall_to_mono and offs_boot/total_sleep_time updates
  time: Clean up stray newlines
  time/jiffies: Rename ACTHZ to SHIFTED_HZ
  time/jiffies: Allow CLOCK_TICK_RATE to be undefined
  time: Fix casting issue in tk_set_xtime and tk_xtime_add
2012-08-03 10:58:57 -07:00
Linus Torvalds fcc1d2a9ce Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
 "Fixes and two late cleanups"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/cleanups: Add load balance cpumask pointer to 'struct lb_env'
  sched: Fix comment about PREEMPT_ACTIVE bit location
  sched: Fix minor code style issues
  sched: Use task_rq_unlock() in __sched_setscheduler()
  sched/numa: Add SD_PERFER_SIBLING to CPU domain
2012-08-03 10:58:13 -07:00
Linus Torvalds bd463a0606 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
 "Fix merge window fallout and fix sleep profiling (this was always
  broken, so it's not a fix for the merge window - we can skip this one
  from the head of the tree)."

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/trace: Add ability to set a target task for events
  perf/x86: Fix USER/KERNEL tagging of samples properly
  perf/x86/intel/uncore: Make UNCORE_PMU_HRTIMER_INTERVAL 64-bit
2012-08-03 10:57:20 -07:00
Linus Torvalds 148311d2ad Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Ingo Molnar.

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq: Allow irq chips to mark themself oneshot safe
2012-08-03 10:56:44 -07:00
Linus Torvalds d97e1dcde5 KGDB/KDB/usb-dbgp fixes and cleanups
usb-dbgp - increase the controller wait time to come out of halt.
    kdb - Remove unused KDB_FLAG_ONLY_DO_DUMP code and cpu in more prompt
    debug core - pass NMI type on archs that provide NMI types
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Merge tag 'for_linux-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb

Pull KGDB/KDB/usb-dbgp fixes and cleanups from Jason Wessel:
 "There are no new features, those will be delayed to the 3.7 window.
  There are only fixes/cleanup against the usual kernel churn and we are
  removing more lines than we add:

   - usb-dbgp - increase the controller wait time to come out of halt.
   - kdb - Remove unused KDB_FLAG_ONLY_DO_DUMP code and cpu in more prompt
   - debug core - pass NMI type on archs that provide NMI types"

* tag 'for_linux-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb:
  USB: echi-dbgp: increase the controller wait time to come out of halt.
  kernel/debug: Make use of KGDB_REASON_NMI
  kdb: Remove cpu from the more prompt
  kdb: Remove unused KDB_FLAG_ONLY_DO_DUMP
2012-08-03 10:53:47 -07:00
Joerg Roedel ba1eabfade iommu: Add missing forward declaration in include file
The 'struct notifier_block' is not used in linux/iommu.h but
not declared anywhere. Add a forward declaration for it.

Reported-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-08-03 16:04:43 +02:00
Thierry Reding 76582d0a68 iommu: Include linux/types.h
The linux/iommu.h header uses types defined in linux/types.h but doesn't
include it.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
2012-08-03 16:04:43 +02:00
Len Brown 9d0b01a1bb Merge branches 'delete-gts-bfs', 'misc', 'novell-bugzilla-757888-numa' and 'osc-pcie' into base 2012-08-03 00:31:23 -04:00
Thomas Renninger 095adbb644 ACPI: Only count valid srat memory structures
Otherwise you could run into:
WARN_ON in numa_register_memblks(), because node_possible_map is zero

References: https://bugzilla.novell.com/show_bug.cgi?id=757888

On this machine (ProLiant ML570 G3) the SRAT table contains:
  - No processor affinities
  - One memory affinity structure (which is set disabled)

CC: Per Jessen <per@opensuse.org>
CC: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-08-03 00:15:53 -04:00
Linus Torvalds fc6bdb59a5 Merge branch 'for-linus-3.6' of git://dev.laptop.org/users/dilinger/linux-olpc
Pull OLPC platform updates from Andres Salomon:
 "These move the OLPC Embedded Controller driver out of
  arch/x86/platform and into drivers/platform/olpc.

  OLPC machines are now ARM-based (which means lots of x86 and ARM
  changes), but are typically pretty self-contained..  so it makes more
  sense to go through a separate OLPC tree after getting the appropriate
  review/ACKs."

* 'for-linus-3.6' of git://dev.laptop.org/users/dilinger/linux-olpc:
  x86: OLPC: move s/r-related EC cmds to EC driver
  Platform: OLPC: move global variables into priv struct
  Platform: OLPC: move debugfs support from x86 EC driver
  x86: OLPC: switch over to using new EC driver on x86
  Platform: OLPC: add a suspended flag to the EC driver
  Platform: OLPC: turn EC driver into a platform_driver
  Platform: OLPC: allow EC cmd to be overridden, and create a workqueue to call it
  drivers: OLPC: update various drivers to include olpc-ec.h
  Platform: OLPC: add a stub to drivers/platform/ for the OLPC EC driver
2012-08-02 11:52:39 -07:00
Linus Torvalds 0a276d1675 SuperH fixes for 3.6-rc1 merge window
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH fixes from Paul Mundt.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (24 commits)
  sh: explicitly include sh_dma.h in setup-sh7722.c
  sh: ecovec: care CN5 VBUS if USB host mode
  sh: sh7724: fixup renesas_usbhs clock settings
  sh: intc: initial irqdomain support.
  sh: pfc: Fix up init ordering mess.
  serial: sh-sci: fix compilation breakage, when DMA is enabled
  dmaengine: shdma: restore partial transfer calculation
  sh: modify the sh_dmae_slave_config for RSPI in setup-sh7757
  sh: Fix up recursive fault in oops with unset TTB.
  sh: pfc: Build fix for pinctrl_remove_gpio_range() changes.
  sh: select the fixed regulator driver on several boards
  sh: ecovec: switch MMC power control to regulators
  sh: add fixed voltage regulators to se7724
  sh: add fixed voltage regulators to sdk7786
  sh: add fixed voltage regulators to rsk
  sh: add fixed voltage regulators to migor
  sh: add fixed voltage regulators to kfr2r09
  sh: add fixed voltage regulators to ap325rxa
  sh: add fixed voltage regulators to sh7757lcr
  sh: add fixed voltage regulators to sh2007
  ...
2012-08-02 11:45:42 -07:00
Rafał Miłecki c263c2c1ad bcma: BCM43228 support
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-08-02 13:51:46 -04:00
John W. Linville 1a26904eb6 Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 2012-08-02 13:49:38 -04:00
Seth Forshee 03f6b0843a cfg80211: add channel flag to prohibit OFDM operation
Currently the only way for wireless drivers to tell whether or not OFDM
is allowed on the current channel is to check the regulatory
information. However, this requires hodling cfg80211_mutex, which is not
visible to the drivers.

Other regulatory restrictions are provided as flags in the channel
definition, so let's do similarly with OFDM. This patch adds a new flag,
IEEE80211_CHAN_NO_OFDM, to tell drivers that OFDM on a channel is not
allowed. This flag is set on any channels for which regulatory indicates
that OFDM is prohibited.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2012-08-02 15:30:49 +02:00
Fan Du e3c0d04750 Fix unexpected SA hard expiration after changing date
After SA is setup, one timer is armed to detect soft/hard expiration,
however the timer handler uses xtime to do the math. This makes hard
expiration occurs first before soft expiration after setting new date
with big interval. As a result new child SA is deleted before rekeying
the new one.

Signed-off-by: Fan Du <fdu@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-02 00:19:17 -07:00