Commit Graph

871 Commits

Author SHA1 Message Date
Andrew Lunn 1e7bad0f5b ARM: Orion: DTify the watchdog timer.
Add device tree support to the Orion watchdog timer, and enable its
use in the kirkwood devices using device tree.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@googlemail.com>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
2012-07-27 16:48:38 +02:00
Linus Torvalds 3539fc544f Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog changes from Wim Van Sebroeck:
 - conversion of iTCO_wdt and orion_wdt to the generic watchdog API
 - uses module_platform_driver() for s3c2410_wdt
 - Adds support for Jetway JNF99 Motherboard
 - various fixes

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: orion_wdt: Convert driver to watchdog core
  watchdog: s3c2410_wdt: Use module_platform_driver()
  watchdog: sch311x_wdt: Fix Polarity when starting watchdog
  Watchdog: OMAP: Fix the runtime pm code to avoid module getting stuck intransition state.
  watchdog: ie6xx_wdt: section mismatch in ie6xx_wdt_probe()
  watchdog: bcm63xx_wdt: fix driver section mismatch
  watchdog: iTCO_wdt.c: convert to watchdog core
  char/ipmi: remove local ioctl defines replaced by generic ones
  watchdog: xilinx: Read clock frequency directly from DT node
  watchdog: coh901327_wdt: use clk_prepare/unprepare
  watchdog: f71808e_wdt: Add support for Jetway JNF99 motherboard
2012-07-24 13:26:08 -07:00
Linus Torvalds 83c7f72259 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc updates from Benjamin Herrenschmidt:
 "Notable highlights:

   - iommu improvements from Anton removing the per-iommu global lock in
     favor of dividing the DMA space into pools, each with its own lock,
     and hashed on the CPU number.  Along with making the locking more
     fine grained, this gives significant improvements in multiqueue
     networking scalability.

   - Still from Anton, we know provide a vdso based variant of getcpu
     which makes sched_getcpu with the appropriate glibc patch something
     like 18 times faster.

   - More anton goodness (he's been busy !) in other areas such as a
     faster __clear_user and copy_page on P7, various perf fixes to
     improve sampling quality, etc...

   - One more step toward removing legacy i2c interfaces by using new
     device-tree based probing of platform devices for the AOA audio
     drivers

   - A nice series of patches from Michael Neuling that helps avoiding
     confusion between register numbers and litterals in assembly code,
     trying to enforce the use of "%rN" register names in gas rather
     than plain numbers.

   - A pile of FSL updates

   - The usual bunch of small fixes, cleanups etc...

  You may spot a change to drivers/char/mem.  The patch got no comment
  or ack from outside, it's a trivial patch to allow the architecture to
  skip creating /dev/port, which we use to disable it on ppc64 that
  don't have a legacy brige.  On those, IO ports 0...64K are not mapped
  in kernel space at all, so accesses to /dev/port cause oopses (and
  yes, distros -still- ship userspace that bangs hard coded ports such
  as kbdrate)."

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (106 commits)
  powerpc/mpic: Create a revmap with enough entries for IPIs and timers
  Remove stale .rej file
  powerpc/iommu: Fix iommu pool initialization
  powerpc/eeh: Check handle_eeh_events() return value
  powerpc/85xx: Add phy nodes in SGMII mode for MPC8536/44/72DS & P2020DS
  powerpc/e500: add paravirt QEMU platform
  powerpc/mpc85xx_ds: convert to unified PCI init
  powerpc/fsl-pci: get PCI init out of board files
  powerpc/85xx: Update corenet64_smp_defconfig
  powerpc/85xx: Update corenet32_smp_defconfig
  powerpc/85xx: Rename P1021RDB-PC device trees to be consistent
  powerpc/watchdog: move booke watchdog param related code to setup-common.c
  sound/aoa: Adapt to new i2c probing scheme
  i2c/powermac: Improve detection of devices from device-tree
  powerpc: Disable /dev/port interface on systems without an ISA bridge
  of: Improve prom_update_property() function
  powerpc: Add "memory" attribute for mfmsr()
  powerpc/ftrace: Fix assembly trampoline register usage
  powerpc/hw_breakpoints: Fix incorrect pointer access
  powerpc: Put the gpr save/restore functions in their own section
  ...
2012-07-23 18:54:23 -07:00
Axel Lin 0dd6e4847e watchdog: orion_wdt: Convert driver to watchdog core
Convert orion_wdt driver to use watchdog framework API.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:51:09 +02:00
Sachin Kamat 6b761b2902 watchdog: s3c2410_wdt: Use module_platform_driver()
module_platform_driver() replaces module_init() and module_exit()
and makes the code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:50:51 +02:00
Wim Van Sebroeck 7732c6b96f watchdog: sch311x_wdt: Fix Polarity when starting watchdog
Some motherboards like the Advantech ARK3400 documentation
use a non-inverted GPIO pin. We fix this by assuming that
the BIOS will set the Polarity bit for the GPIO correctly
at startup and we keep the Bit-setting intact when we start
and stop the watchdog.

Reported-by: Jean-François Deverge <jf.deverge@gmail.com>
Signed-off-by: Dave Mueller <d.mueller@elsoft.ch>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:50:30 +02:00
Lokesh Vutla 41814eed41 Watchdog: OMAP: Fix the runtime pm code to avoid module getting stuck intransition state.
OMAP watchdog driver is adapted to runtime PM like a general device
driver but it is not appropriate. It is causing couple of functional
issues.

1. On OMAP4 SYSCLK can't be gated, because of issue with WDTIMER2 module,
which constantly stays in "in transition" state. Value of register
CM_WKUP_WDTIMER2_CLKCTRL is always 0x00010000 in this case.
Issue occurs immediately after first idle, when hwmod framework tries
to disable WDTIMER2 functional clock - "wd_timer2_fck". After this
module falls to "in transition" state, and SYSCLK gating is blocked.

2. Due to runtime PM, watchdog timer may be completely disabled.
In current code base watchdog timer is not disabled only because of
issue 1. Otherwise state of WDTIMER2 module will be "Disabled", and there
will be no interrupts from omap_wdt. In other words watchdog will not
work at all.

Watchdong is a special IP and it should not be disabled otherwise
purpose of it itself is defeated. Watchdog functional clock should
never be disabled. This patch updates the runtime PM handling in
driver so that runtime PM is limited only during probe/shutdown
and suspend/resume.

The patch fixes issue 1 and 2

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:50:11 +02:00
Gerard Snitselaar 0402450f45 watchdog: ie6xx_wdt: section mismatch in ie6xx_wdt_probe()
ie6xx_wdt_probe() calls ie6xx_wdt_debugfs_exit() as part of
it's error cleanup path, and ie6xx_wdt_debugfs_exit() is
currently annotated __devexit.

Signed-off-by: Gerard Snitselaar <dev@snitselaar.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:49:44 +02:00
Florian Fainelli 5a135f3c72 watchdog: bcm63xx_wdt: fix driver section mismatch
bcm63xx_wdt was used as a platform_driver but was not suffixed with
_driver, thus causing section mismatches, fix that.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:49:24 +02:00
Wim Van Sebroeck bff23431fe watchdog: iTCO_wdt.c: convert to watchdog core
This patch converts the iTCO_wdt watchdog driver to use the
generic watchdog framework.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:48:41 +02:00
Michal Simek 90fe6c608f watchdog: xilinx: Read clock frequency directly from DT node
Do not use clock-frequency property from parent node.
Use it from watchdog node.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-By: Alejandro Cabrera <acabrera@udio.cujae.edu.cu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:47:00 +02:00
Linus Walleij c362cb597b watchdog: coh901327_wdt: use clk_prepare/unprepare
Make sure we prepare/unprepare the COH901327 watchdog timer
as is required by the clk API especially if you use common
clock.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by : Pankaj Jangra <jangra.pankaj9@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:46:49 +02:00
Justin Wheeler 3017020dc7 watchdog: f71808e_wdt: Add support for Jetway JNF99 motherboard
The Jetway JNF99 motherboard features a F71869 SuperIO chip, but its
watchdog chipset ID appears to be 1007 (as opposed to 0814).  Some testing
confirmed it behaves the exact same as 0814. So add this chipset ID to the
module's ID list so that the Fintek watchdog driver can correctly identify
and access it.

Signed-off-by: Justin Wheeler <jwheeler@datademons.com>
Acked-by: Giel van Schijndel <me@mortis.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-07-23 12:46:38 +02:00
Shaohui Xie be0884ce23 powerpc/watchdog: replace CONFIG_FSL_BOOKE with CONFIG_PPC_FSL_BOOK3E
CONFIG_FSL_BOOKE is only defined in 32-bit, CONFIG_PPC_FSL_BOOK3E is
defined in both 32-bit and 64-bit, so use CONFIG_PPC_FSL_BOOK3E to make
driver work in 32-bit & 64-bit.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-07-10 07:07:22 -05:00
Russell King 3169663ac5 ARM: sa11x0/pxa: convert OS timer registers to IOMEM
Make the OS timer registers have IOMEM like properities so they can
be passed to readl_relaxed/writel_relaxed() et.al. rather than being
straight volatile dereferences.  Add linux/io.h includes where
required.

linux/io.h includes added to arch/arm/mach-sa1100/cpu-sa1100.c,
 arch/arm/mach-sa1100/jornada720_ssp.c, arch/arm/mach-sa1100/leds-lart.c
 drivers/input/touchscreen/jornada720_ts.c, drivers/pcmcia/sa1100_shannon.c
from Arnd.

This fixes these warnings:

arch/arm/mach-sa1100/time.c: In function 'sa1100_timer_init':
arch/arm/mach-sa1100/time.c:104: warning: passing argument 1 of 'clocksource_mmio_init' discards qualifiers from pointer target type
arch/arm/mach-pxa/time.c: In function 'pxa_timer_init':
arch/arm/mach-pxa/time.c:126: warning: passing argument 1 of 'clocksource_mmio_init' discards qualifiers from pointer target type

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-07-09 17:37:35 +01:00
Xiao Jiang e6ca04eaab watchdog: omap_wdt: add device tree support
Add device table for omap_wdt to support dt.

Signed-off-by: Xiao Jiang <jgq516@gmail.com>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-07-09 01:56:05 -07:00
Wim Van Sebroeck 8b9468d496 watchdog: core: fix WDIOC_GETSTATUS return value
In commit 7a87982420 we added
a wrapper for the WDIOC_GETSTATUS ioctl call. The code results
however in a different behaviour: it returns an error if the
driver doesn't support the status operation. This is not
according to the API that says that when we don't support
the status operation, that we just should return a 0 value.
Only when the device isn't there anymore, we should return an
error.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-06-28 20:40:56 +02:00
Mingarelli, Thomas a089361cf5 watchdog: hpwdt: Unregister NMI events on exit.
This patch is to unregister for NMI events upon exit. Also we are now
making the default setting for allow_kdump enabled.

Signed-off-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-06-28 20:40:31 +02:00
Jan Beulich e5de32e3ec watchdog: iTCO_wdt: add platform driver module alias
The recent conversion of iTCO_wdt resulted in the driver no longer
getting loaded automatically, since it no longer has a
MODULE_DEVICE_TABLE() included. As the lpc_ich driver now creates a
platform device, auto-loading can easily be done by having a respective
module alias in place.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Aaron Sierra <asierra@xes-inc.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-06-28 20:40:10 +02:00
Viresh Kumar 10d8935f46 Viresh has moved
viresh.kumar@st.com email-id doesn't exist anymore as I have left the
company.  Replace ST's id with viresh.linux@gmail.com.

It also updates .mailmap file to fix address for 'git shortlog'

Signed-off-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-20 14:39:36 -07:00
Randy Dunlap 4b98b32aef watchdog: iTCO_wdt.c: fix printk format warnings
Fix printk format warnings:

drivers/watchdog/iTCO_wdt.c:577:3: warning: format '%04llx' expects type 'long long unsigned int', but argument 2 has type 'resource_size_t'
drivers/watchdog/iTCO_wdt.c:594:3: warning: format '%04llx' expects type 'long long unsigned int', but argument 2 has type 'resource_size_t'
drivers/watchdog/iTCO_wdt.c:600:2: warning: format '%04llx' expects type 'long long unsigned int', but argument 4 has type 'resource_size_t'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 08:16:48 +02:00
Viresh Kumar d9df0ef1eb watchdog: sp805_wdt: Add clk_{un}prepare support
clk_{un}prepare() routines are required for required on some platforms to run
part of clk enable/disable() routines from contexts that can schedule.

This patch adds support for these routines in sp805 driver.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:56:44 +02:00
Viresh Kumar 4a516539fa watchdog: sp805_wdt: convert to watchdog core
This patch converts existing sp805 watchdog driver to use already in place
common infrastructure present in watchdog core. With this lot of code goes away.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:56:41 +02:00
Ashish Jangam 664a0d7862 Watchdog: DA9052/53 PMIC watchdog support
This driver adds support for the watchdog functionality provided by
the Dialog Semiconductor DA9052 PMIC chip.

Tested on samsung smdkv6410 and i.mx53 QS boards.

Signed-off-by: Anthony Olech <Anthony.Olech@diasemi.com>
Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:56:12 +02:00
Hans de Goede e907df3272 watchdog: Add support for dynamically allocated watchdog_device structs
If a driver's watchdog_device struct is part of a dynamically allocated
struct (which it often will be), merely locking the module is not enough,
even with a drivers module locked, the driver can be unbound from the device,
examples:
1) The root user can unbind it through sysfd
2) The i2c bus master driver being unloaded for an i2c watchdog

I will gladly admit that these are corner cases, but we still need to handle
them correctly.

The fix for this consists of 2 parts:
1) Add ref / unref operations, so that the driver can refcount the struct
   holding the watchdog_device struct and delay freeing it until any
   open filehandles referring to it are closed
2) Most driver operations will do IO on the device and the driver should not
   do any IO on the device after it has been unbound. Rather then letting each
   driver deal with this internally, it is better to ensure at the watchdog
   core level that no operations (other then unref) will get called after
   the driver has called watchdog_unregister_device(). This actually is the
   bulk of this patch.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:55:31 +02:00
Hans de Goede f4e9c82f64 watchdog: Add Locking support
This patch fixes some potential multithreading issues, despite only
allowing one process to open the /dev/watchdog device, we can still get
called multiple times at the same time, since a program could be using thread,
or could share the fd after a fork.

This causes 2 potential problems:
1) watchdog_start / open do an unlocked test_n_set / test_n_clear,
   if these 2 race, the watchdog could be stopped while the active
   bit indicates it is running or visa versa.

2) Most watchdog_dev drivers probably assume that only one
   watchdog-op will get called at a time, this is not necessary
   true atm.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:55:23 +02:00
Hans de Goede 7a87982420 watchdog: watchdog_dev: Rewrite wrapper code
Rewrite and extend the wrapper code so that we can easily introduce
locking (this to be able to prevent potential multithreading issues).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:55:17 +02:00
Alan Cox 3dfd6218da watchdog: use dev_ functions
While they are registered all our watchdogs now have a valid device object
so we can in turn use that to report problems nicely.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:54:57 +02:00
Alan Cox d6b469d915 watchdog: create all the proper device files
Create the watchdog class and it's associated devices.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:54:46 +02:00
Alan Cox 45f5fed30a watchdog: Add multiple device support
We keep the old /dev/watchdog interface file for the first watchdog via
miscdev. This is basically a cut and paste of the relevant interface code
from the rtc driver layer tweaked for watchdog.

Revised to fix problems noted by Hans de Goede

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:54:25 +02:00
Wim Van Sebroeck fb5f665816 watchdog: watchdog_core.h: make functions extern
Make the functions in watchdog_core.h extern like it should.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:54:07 +02:00
Wim Van Sebroeck 6cfb5aa836 watchdog: correct the name of the watchdog_core inlude file
The watchdog_core include file should have been named
watchdog_core.h and not watchdog_dev.h . Correct this.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:54:03 +02:00
Viresh Kumar 257f8c4aae watchdog: Add watchdog_active() routine
Some watchdog may need to check if watchdog is ACTIVE or not, for example in
their suspend/resume hooks.

This patch adds this routine and changes the core drivers to use it.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:53:46 +02:00
H Hartley Sweeten 09a46e7397 watchdog: watchdog_dev: include private header to pickup global symbol prototypes
Include the private watchdog_dev.h header to pickup the prototypes for the
watchdog_dev_register/unregister functions.

This quiets the following sparse warnings:

warning: symbol 'watchdog_dev_register' was not declared. Should it be static?
warning: symbol 'watchdog_dev_unregister' was not declared. Should it be static?

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-30 07:53:28 +02:00
Linus Torvalds 7e5b2db77b Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "The whole series has been sitting in -next for quite a while with no
  complaints.  The last change to the series was before the weekend the
  removal of an SPI patch which Grant - even though previously acked by
  himself - appeared to raise objections.  So I removed it until the
  situation is clarified.  Other than that all the patches have the acks
  from their respective maintainers, all MIPS and x86 defconfigs are
  building fine and I'm not aware of any problems introduced by this
  series.

  Among the key features for this patch series is a sizable patchset for
  Lantiq which among other things introduces support for Lantiq's
  flagship product, the FALCON SOC.  It also means that the opensource
  developers behind this patchset have overtaken Lantiq's competing
  inhouse development team that was working behind closed doors.

  Less noteworthy the ath79 patchset which adds support for a few more
  chip variants, cleanups and fixes.  Finally the usual dose of tweaking
  of generic code."

Fix up trivial conflicts in arch/mips/lantiq/xway/gpio_{ebu,stp}.c where
printk spelling fixes clashed with file move and eventual removal of the
printk.

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (81 commits)
  MIPS: lantiq: remove orphaned code
  MIPS: Remove all -Wall and almost all -Werror usage from arch/mips.
  MIPS: lantiq: implement support for FALCON soc
  MTD: MIPS: lantiq: verify that the NOR interface is available on falcon soc
  MTD: MIPS: lantiq: implement OF support
  watchdog: MIPS: lantiq: implement OF support and minor fixes
  SERIAL: MIPS: lantiq: implement OF support
  GPIO: MIPS: lantiq: convert gpio-stp-xway to OF
  GPIO: MIPS: lantiq: convert gpio-mm-lantiq to OF and of_mm_gpio
  GPIO: MIPS: lantiq: move gpio-stp and gpio-ebu to the subsystem folder
  MIPS: pci: convert lantiq driver to OF
  MIPS: lantiq: convert dma to platform driver
  MIPS: lantiq: implement support for clkdev api
  MIPS: lantiq: drop ltq_gpio_request() and gpio_to_irq()
  OF: MIPS: lantiq: implement irq_domain support
  OF: MIPS: lantiq: implement OF support
  MIPS: lantiq: drop mips_machine support
  OF: PCI: const usage needed by MIPS
  MIPS: Cavium: Remove smp_reserve_lock.
  MIPS: Move cache setup to setup_arch().
  ...
2012-05-29 18:27:19 -07:00
Linus Torvalds 4b78147468 MFD changes for 3.5
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Merge tag 'mfd-3.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6

Pull MFD changes from Samuel Ortiz:
 "Besides the usual cleanups, this one brings:

   * Support for 5 new chipsets: Intel's ICH LPC and SCH Centerton,
     ST-E's STAX211, Samsung's MAX77693 and TI's LM3533.

   * Device tree support for the twl6040, tps65910, da9502 and ab8500
     drivers.

   * Fairly big tps56910, ab8500 and db8500 updates.

   * i2c support for mc13xxx.

   * Our regular update for the wm8xxx driver from Mark."

Fix up various conflicts with other trees, largely due to ab5500 removal
etc.

* tag 'mfd-3.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (106 commits)
  mfd: Fix build break of max77693 by adding REGMAP_I2C option
  mfd: Fix twl6040 build failure
  mfd: Fix max77693 build failure
  mfd: ab8500-core should depend on MFD_DB8500_PRCMU
  gpio: tps65910: dt: process gpio specific device node info
  mfd: Remove the parsing of dt info for tps65910 gpio
  mfd: Save device node parsed platform data for tps65910 sub devices
  mfd: Add r_select to lm3533 platform data
  gpio: Add Intel Centerton support to gpio-sch
  mfd: Emulate active low IRQs as well as active high IRQs for wm831x
  mfd: Mark two lm3533 zone registers as volatile
  mfd: Fix return type of lm533 attribute is_visible
  mfd: Enable Device Tree support in the ab8500-pwm driver
  mfd: Enable Device Tree support in the ab8500-sysctrl driver
  mfd: Add support for Device Tree to twl6040
  mfd: Register the twl6040 child for the ASoC codec unconditionally
  mfd: Allocate twl6040 IRQ numbers dynamically
  mfd: twl6040 code cleanup in interrupt initialization part
  mfd: Enable ab8500-gpadc driver for Device Tree
  mfd: Prevent unassigned pointer from being used in ab8500-gpadc driver
  ...
2012-05-29 11:53:11 -07:00
Linus Torvalds 2795343705 arm-soc: clock driver changes
The new clock subsystem was merged in linux-3.4 without any users, this
 now moves the first three platforms over to it: imx, mxs and spear.
 
 The series also contains the changes for the clock subsystem itself,
 since Mike preferred to have it together with the platforms that require
 these changes, in order to avoid interdependencies and conflicts.
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Merge tag 'clock' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm-soc clock driver changes from Olof Johansson:
 "The new clock subsystem was merged in linux-3.4 without any users,
  this now moves the first three platforms over to it: imx, mxs and
  spear.

  The series also contains the changes for the clock subsystem itself,
  since Mike preferred to have it together with the platforms that
  require these changes, in order to avoid interdependencies and
  conflicts."

Fix up trivial conflicts in arch/arm/mach-kirkwood/common.c (code
removed in one branch, added OF support in another) and
drivers/dma/imx-sdma.c (independent changes next to each other).

* tag 'clock' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (97 commits)
  clk: Fix CLK_SET_RATE_GATE flag validation in clk_set_rate().
  clk: Provide dummy clk_unregister()
  SPEAr: Update defconfigs
  SPEAr: Add SMI NOR partition info in dts files
  SPEAr: Switch to common clock framework
  SPEAr: Call clk_prepare() before calling clk_enable
  SPEAr: clk: Add General Purpose Timer Synthesizer clock
  SPEAr: clk: Add Fractional Synthesizer clock
  SPEAr: clk: Add Auxiliary Synthesizer clock
  SPEAr: clk: Add VCO-PLL Synthesizer clock
  SPEAr: Add DT bindings for SPEAr's timer
  ARM i.MX: remove now unused clock files
  ARM: i.MX6: implement clocks using common clock framework
  ARM i.MX35: implement clocks using common clock framework
  ARM i.MX5: implement clocks using common clock framework
  ARM: Kirkwood: Replace clock gating
  ARM: Orion: Audio: Add clk/clkdev support
  ARM: Orion: PCIE: Add support for clk
  ARM: Orion: XOR: Add support for clk
  ARM: Orion: CESA: Add support for clk
  ...
2012-05-26 12:42:29 -07:00
Linus Torvalds 0b87da68a0 Merge git://www.linux-watchdog.org/linux-watchdog
Pull first set of watchdog updates from Wim Van Sebroeck:
 "This pull contains:

   - The removal of ixp2000_wdt
   - The addition of ie6xx_wdt
   - Some documentation fixes
   - Small fixes and improvements

  (Note: Part 2 will contain generic watchdog core changes + conversion
  of some more drivers)"

* git://www.linux-watchdog.org/linux-watchdog:
  Documentation/watchdog: Fix the file descriptor leak when no cmdline arg given
  Documentation/watchdog: close the fd when cmdline arg given
  Documentation/watchdog: Fix a small typo
  watchdog: s3c2410_wdt: Set timeout to actually achieved timeout
  watchdog: wm831x: Convert to gpio_request_one()
  watchdog: via_wdt: depends on PCI
  watchdog: ie6xx_wdt needs io.h
  watchdog: ie6xx_wdt.c: fix printk format warning
  watchdog: Add watchdog driver for Intel Atom E6XX
  watchdog: it87_wdt: Add support for IT8728F watchdog.
  watchdog: i6300esb: don't depend on X86
  watchdog: Use module_pci_driver
  watchdog: sch311x_wdt.c: Remove RESGEN
  watchdog: s3c2410-wdt: Use of_match_ptr().
  watchdog: Device tree support for pnx4008-wdt
  watchdog: ar7_wdt.c: use devm_request_and_ioremap
  watchdog: remove ixp2000 driver
  watchdog: sp5100_tco.c: quiet sparse noise about using plain integer was NULL pointer
2012-05-23 15:42:42 -07:00
Linus Torvalds 1d767cae4d SuperH updates for 3.5-rc1 merge window
- New CPUs: SH7734 (SH-4A), SH7264 and SH7269 (SH-2A)
 - New boards: RSK2+SH7264, RSK2+SH7269
 - Unbreaking kgdb for SMP
 - Consolidation of _32/_64 page fault handling.
 - watchdog and legacy DMA chainsawing, part 1
 - Conversion to evt2irq() hwirq lookup, to support relocation
   of vectored IRQs for irqdomains.
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh

Pull SuperH updates from Paul Mundt:
 - New CPUs: SH7734 (SH-4A), SH7264 and SH7269 (SH-2A)
 - New boards: RSK2+SH7264, RSK2+SH7269
 - Unbreaking kgdb for SMP
 - Consolidation of _32/_64 page fault handling.
 - watchdog and legacy DMA chainsawing, part 1
 - Conversion to evt2irq() hwirq lookup, to support relocation of
   vectored IRQs for irqdomains.

* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: (98 commits)
  sh: intc: Kill off special reservation interface.
  sh: Enable PIO API for hp6xx and se770x.
  sh: Kill off machvec IRQ hinting.
  sh: dma: More legacy cpu dma chainsawing.
  sh: Kill off MAX_DMA_ADDRESS leftovers.
  sh: Tidy up some of the cpu legacy dma header mess.
  sh: Move sh4a dma header from cpu-sh4 to cpu-sh4a.
  sh64: Fix up vmalloc fault range check.
  Revert "sh: Ensure fixmap and store queue space can co-exist."
  serial: sh-sci: Fix for port types without BRI interrupts.
  sh: legacy PCI evt2irq migration.
  sh: cpu dma evt2irq migration.
  sh: sh7763rdp evt2irq migration.
  sh: sdk7780 evt2irq migration.
  sh: migor evt2irq migration.
  sh: landisk evt2irq migration.
  sh: kfr2r09 evt2irq migration.
  sh: ecovec24 evt2irq migration.
  sh: ap325rxa evt2irq migration.
  sh: urquell evt2irq migration.
  ...
2012-05-23 09:00:40 -07:00
Hans de Goede 5f2430f554 watchdog: s3c2410_wdt: Set timeout to actually achieved timeout
While rebasing my "watchdog_dev: Let the driver update the timeout field on
set_timeout success" patch (before I noticed it was already picked up by Wim),
I noticed that the s3c2410_wdt driver may not always have a 1 second
resolution, this patch changes s3c2410wdt_set_heartbeat to update the
timeout to the actually achieved timeout.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:26:20 +02:00
Mark Brown abcf834b80 watchdog: wm831x: Convert to gpio_request_one()
Use the more modern API.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:26:07 +02:00
Randy Dunlap 690e7a706d watchdog: via_wdt: depends on PCI
via_wdt is a PCI driver so it should depend on PCI so that
it will not cause build errors.

drivers/watchdog/via_wdt.c:256:1: warning: data definition has no type or storage class
drivers/watchdog/via_wdt.c:256:1: warning: type defaults to 'int' in declaration of 'module_pci_driver'
drivers/watchdog/via_wdt.c:256:1: warning: parameter names (without types) in function declaration

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:25:59 +02:00
Randy Dunlap 491d9e2a5f watchdog: ie6xx_wdt needs io.h
Fix build error by including <linux/io.h>:

drivers/watchdog/ie6xx_wdt.c:97:2: error: implicit declaration of function 'outb'
drivers/watchdog/ie6xx_wdt.c:133:2: error: implicit declaration of function 'outl'
drivers/watchdog/ie6xx_wdt.c:161:2: error: implicit declaration of function 'inb'
drivers/watchdog/ie6xx_wdt.c:199:3: error: implicit declaration of function 'inl'
drivers/watchdog/ie6xx_wdt.c:203:3: error: implicit declaration of function 'inw'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:25:33 +02:00
Randy Dunlap 744f6f4d3d watchdog: ie6xx_wdt.c: fix printk format warning
Fix printk format warning; use cast to u64 since resource_size_t can
be either u32 or u64.

drivers/watchdog/ie6xx_wdt.c:261:4: warning: format '%x' expects type 'unsigned int', but argument 3 has type 'resource_size_t'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:25:29 +02:00
Alexander Stein 101ce87b3b watchdog: Add watchdog driver for Intel Atom E6XX
Add driver for the watchdog timer built into the
Intel Atom E6XX (TunnelCreek) processor.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:25:13 +02:00
Diego Elio Pettenò 198ca01534 watchdog: it87_wdt: Add support for IT8728F watchdog.
This works the same way IT8721F works, but it supports WDT_PWROK
(checked on the datasheet).

Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:24:43 +02:00
Michael Olbrich 7050bd5499 watchdog: i6300esb: don't depend on X86
i6300esb is on of the watchdogs QEMU can emulate. It is also available
when emulating ARM. The driver works without problems and is quite
useful to test userspace dealing with /dev/watchdog.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:24:32 +02:00
Wim Van Sebroeck 5ce9c371c7 watchdog: Use module_pci_driver
This patch converts the PCI watchdog drivers so that they use the
module_pci_driver() macro. This makes the code smaller and simpler.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Thomas Mingarelli <thomas.mingarelli@hp.com>
Cc: Marc Vertes <marc.vertes@sigfox.com>
2012-05-23 16:23:53 +02:00
Dave Mueller 8f90a3ae8f watchdog: sch311x_wdt.c: Remove RESGEN
The SCH311x chip contains 2 watchdogs. One is the watchdog programmable
by the runtime register at address 0x65-0x68, the other is the watchdog
inside the power on reset generator. This second watchdog has a fixed
timeout value of ~1.6 seconds and is configurable only by the RESGEN
register.

The BIOS normally takes care of the RESGEN watchdog and disables it (at
least) before the OS is booted.

Unfortunately the sch311x_wdt driver clears bit 0 of the RESGEN register
which has the effect that at the latest 1.6 seconds later, a POR is
triggered.

The attached patch fixes this problem by completely removing any
reference to the RESGEN watchdog from the sch311x_wdt driver.

Signed-off-by: Dave Mueller <d.mueller@elsoft.ch>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:17:51 +02:00
Wim Van Sebroeck 3016a552a8 watchdog: s3c2410-wdt: Use of_match_ptr().
Use of_match_ptr definition for the of_match_table.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
2012-05-23 16:17:14 +02:00
Roland Stigge 3ba3774b8c watchdog: Device tree support for pnx4008-wdt
This patch adds device tree support to pnx4008-wdt.c

Signed-off-by: Roland Stigge <stigge@antcom.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:16:55 +02:00
Julia Lawall ae21cc20a6 watchdog: ar7_wdt.c: use devm_request_and_ioremap
Combine request_region and ioremap into devm_request_and_ioremap.  This has
the effect of fixing a missing iounmap on the failure of clk_get.

This also introduces a call to clk_put and clears the vbus_clk variable in
the case of failure or device removal.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:16:43 +02:00
Rob Herring 065e823830 watchdog: remove ixp2000 driver
The platform is removed, so there are no users of this driver.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:16:28 +02:00
H Hartley Sweeten 62a9aebc5b watchdog: sp5100_tco.c: quiet sparse noise about using plain integer was NULL pointer
Pointers should not be compared to plain integers.
Quiets the sparse warning:
warning: Using plain integer as NULL pointer

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-05-23 16:16:21 +02:00
Linus Torvalds e8650a0823 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina:
 "As usual, it's mostly typo fixes, redundant code elimination and some
  documentation updates."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (57 commits)
  edac, mips: don't change code that has been removed in edac/mips tree
  xtensa: Change mail addresses of Hannes Weiner and Oskar Schirmer
  lib: Change mail address of Oskar Schirmer
  net: Change mail address of Oskar Schirmer
  arm/m68k: Change mail address of Sebastian Hess
  i2c: Change mail address of Oskar Schirmer
  net: Fix tcp_build_and_update_options comment in struct tcp_sock
  atomic64_32.h: fix parameter naming mismatch
  Kconfig: replace "--- help ---" with "---help---"
  c2port: fix bogus Kconfig "default no"
  edac: Fix spelling errors.
  qla1280: Remove redundant NULL check before release_firmware() call
  remoteproc: remove redundant NULL check before release_firmware()
  qla2xxx: Remove redundant NULL check before release_firmware() call.
  aic94xx: Get rid of redundant NULL check before release_firmware() call
  tehuti: delete redundant NULL check before release_firmware()
  qlogic: get rid of a redundant test for NULL before call to release_firmware()
  bna: remove redundant NULL test before release_firmware()
  tg3: remove redundant NULL test before release_firmware() call
  typhoon: get rid of redundant conditional before all to release_firmware()
  ...
2012-05-22 19:22:50 -07:00
Linus Torvalds 5ec29e3149 Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core locking updates from Ingo Molnar:
 "This update:

   - extends and simplifies x86 NMI callback handling code to enhance
     and fix the HP hw-watchdog driver

   - simplifies the x86 NMI callback handling code to fix a kmemcheck
     bug.

   - enhances the hung-task debugger"

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/nmi: Fix the type of the nmiaction.flags field
  x86/nmi: Fix page faults by nmiaction if kmemcheck is enabled
  x86/nmi: Add new NMI queues to deal with IO_CHK and SERR
  watchdog, hpwdt: Remove priority option for NMI callback
  hung task debugging: Inject NMI when hung and going to panic
2012-05-21 19:25:14 -07:00
John Crispin cdb8612147 watchdog: MIPS: lantiq: implement OF support and minor fixes
Add support for OF. We also apply the following small fixes
* reduce boiler plate by using devm_request_and_ioremap
* sane error path for the clock
* move LTQ_RST_CAUSE_WDTRST to a soc specific header file
* add a message to show that the driver loaded

Signed-off-by: John Crispin <blogic@openwrt.org>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-watchdog@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/3810/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-05-21 14:31:54 +01:00
Arnd Bergmann 3c0dec5f58 Merge branch 'clk-next' of git://git.linaro.org/people/mturquette/linux into next/clock
* 'clk-next' of git://git.linaro.org/people/mturquette/linux:
  clk: Fix CLK_SET_RATE_GATE flag validation in clk_set_rate().
  clk: Provide dummy clk_unregister()
  ARM: Kirkwood: Replace clock gating
  ARM: Orion: Audio: Add clk/clkdev support
  ARM: Orion: PCIE: Add support for clk
  ARM: Orion: XOR: Add support for clk
  ARM: Orion: CESA: Add support for clk
  ARM: Orion: SDIO: Add support for clk.
  ARM: Orion: NAND: Add support for clk, if there is one.
  ARM: Orion: EHCI: Add support for enabling clocks
  ARM: Orion: SATA: Add per channel clk/clkdev support.
  ARM: Orion: UART: Get the clock rate via clk_get_rate().
  ARM: Orion: WDT: Add clk/clkdev support
  ARM: Orion: Eth: Add clk/clkdev support.
  ARM: Orion: SPI: Add clk/clkdev support.
  ARM: Orion: Add clocks using the generic clk infrastructure.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-16 16:35:25 +02:00
Arnd Bergmann 93c6d8927f Merge branch 'clk/mxs' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/clock
Shawn Guo <shawn.guo@linaro.org> writes:

  mxs common clk porting for v3.5.  It depends on the following two branches.

  [1] git://git.linaro.org/people/mturquette/linux.git clk-next
  [2] http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-arm.git clkdev

  As the mxs device tree conversion will constantly touch clock files,
  to save the conflicts, the updated mxs/dt branch coming later will
  based on this pull-request.

* 'clk/mxs' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mxs: remove now unused timer_clk argument from mxs_timer_init
  ARM: mxs: remove old clock support
  ARM: mxs: switch to common clk framework
  ARM: mxs: change the lookup name for fec phy clock
  ARM: mxs: request clock for timer
  clk: mxs: add clock support for imx28
  clk: mxs: add clock support for imx23
  clk: mxs: add mxs specific clocks

Includes an update to Linux 3.4-rc6

Conflicts:
	drivers/clk/Makefile

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-05-11 17:15:31 +02:00
Paul Mundt d42c97443d watchdog: shwdt: Use finer grained clock control.
The clk enable/disable pairs can be pushed down to start/stop rather than
probe/remove, along with the runtime PM callsites. This will allow us to
keep the block powered off until userspace comes along and decides to do
something with it.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-10 16:14:40 +09:00
Paul Mundt 8c013d964a watchdog: shwdt: Preliminary runtime PM support.
This plugs in some trivial runtime PM support in the probe/remove and
start/stop paths.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-10 16:08:35 +09:00
Paul Mundt 9ea6404691 watchdog: shwdt: Basic clock framework support.
This plugs in basic clock framework support for the watchdog. As it's an
optional MSTP bit, we don't particularly care if a platform has provided
it or not, though a valid clock will need to be available for the more
complex overflow period calculations found on newer parts -- this will be
addressed later.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-10 15:46:48 +09:00
Paul Mundt f9e2eae6c6 watchdog: shwdt: Trim down private data structure.
Now that we're using the generic watchdog core, kill off unused
elements from the private data structure.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-10 15:20:18 +09:00
Paul Mundt f9fb360cb3 watchdog: shwdt: Migrate to per-device locking.
Presently we've been using global locking for everything. Push the
locking down to the per-device level in preparation for per-CPU
watchdogs.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-10 15:15:08 +09:00
Paul Mundt 1950f499df watchdog: shwdt: Conversion to watchdog core.
Fairly straightforward conversion to utilize watchdog core support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-10 15:07:53 +09:00
Paul Mundt 4096812636 watchdog: shwdt: Migrate from reboot notifier to platform shutdown.
It's possible to do the same work via the platform driver shutdown
method, so wire that up and dump the reboot notifier.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2012-05-10 14:21:15 +09:00
Aaron Sierra 887c8ec721 watchdog: Convert iTCO_wdt driver to mfd model
This patch converts the iTCO_wdt driver to use the multi-function device
driver model. It uses resources discovered by the lpc_ich driver, so that
it no longer does its own PCI scanning.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-05-09 17:20:09 +02:00
Andrew Lunn 4f04be62af ARM: Orion: WDT: Add clk/clkdev support
Remove tclk from platform data.  This makes the platform data
structure empty, so remove it.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-05-08 16:33:57 -07:00
Mingarelli, Thomas d08c9a33b4 hpwdt: Only BYTE reads/writes to WD Timer port 0x72
This patch is to correct the use of the iLO port 0x72 usage.
The port 0x72 is a byte size write/read and hpwdt is currently
writing a WORD.

Signed-off by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-04-26 14:38:07 +02:00
Sascha Hauer 4e7b6c9a6b watchdog imx2: prepare clk before enabling it
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2012-04-25 17:03:42 +02:00
Don Zickus 553222f3e8 x86/nmi: Add new NMI queues to deal with IO_CHK and SERR
In discussions with Thomas Mingarelli about hpwdt, he explained
to me some issues they were some when using their virtual NMI
button to test the hpwdt driver.

It turns out the virtual NMI button used on HP's machines do no
send unknown NMIs but instead send IO_CHK NMIs.  The way the
kernel code is written, the hpwdt driver can not register itself
against that type of NMI and therefore can not successfully
capture system information before panic'ing.

To solve this I created two new NMI queues to allow driver to
register against the IO_CHK and SERR NMIs.  Or in the hpwdt all
three (if you include unknown NMIs too).

The change is straightforward and just mimics what the unknown
NMI does.

Reported-and-tested-by: Thomas Mingarelli <thomas.mingarelli@hp.com>
Signed-off-by: Don Zickus <dzickus@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1333051877-15755-3-git-send-email-dzickus@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-04-25 12:43:34 +02:00
Don Zickus 09ee101436 watchdog, hpwdt: Remove priority option for NMI callback
The NMI_UNKNOWN bucket only allows for one function to register
to it. The reason for that is because only functions which can
not determine if the NMI belongs to them or not should register
and would like to assume/swallow any NMI they see.

As a result it doesn't make sense to let more than one function
like this register.  In fact, letting a second function fail
allows us to know that more than one function is going to
swallow NMIs on the current system. This is better than silently
being ignored.

Therefore hpwdt's priority mechanism doesn't make sense any
more.  They will be always first on the NMI_UNKNOWN queue, if
they register.

Removing this parameter cleans up the code and simplifies things
for the next patch which changes how nmis are registered.

Signed-off-by: Don Zickus <dzickus@redhat.com>
Cc: Thomas Mingarelli <thomas.mingarelli@hp.com>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1333051877-15755-2-git-send-email-dzickus@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-04-25 12:43:33 +02:00
Masanari Iida 6b2aac42b2 Fix typo in various Kconfig file
Correct spelling typo in various Kconfig file.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-04-16 14:40:08 +02:00
Linus Torvalds 820d41cf0c ARM: cleanups of io includes
Rob Herring has done a sweeping change cleaning up all of the mach/io.h includes,
 moving some of the oft-repeated macros to a common location and removing a bunch of
 boiler plate. This is another step closer to a common zImage for multiple platforms.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: cleanups of io includes" from Olof Johansson:
 "Rob Herring has done a sweeping change cleaning up all of the
  mach/io.h includes, moving some of the oft-repeated macros to a common
  location and removing a bunch of boiler plate.  This is another step
  closer to a common zImage for multiple platforms."

Fix up various fairly trivial conflicts (<mach/io.h> removal vs changes
around it, tegra localtimer.o is *still* gone, yadda-yadda).

* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
  ARM: tegra: Include assembler.h in sleep.S to fix build break
  ARM: pxa: use common IOMEM definition
  ARM: dma-mapping: convert ARCH_HAS_DMA_SET_COHERENT_MASK to kconfig symbol
  ARM: __io abuse cleanup
  ARM: create a common IOMEM definition
  ARM: iop13xx: fix missing declaration of iop13xx_init_early
  ARM: fix ioremap/iounmap for !CONFIG_MMU
  ARM: kill off __mem_pci
  ARM: remove bunch of now unused mach/io.h files
  ARM: make mach/io.h include optional
  ARM: clps711x: remove unneeded include of mach/io.h
  ARM: dove: add explicit include of dove.h to addr-map.c
  ARM: at91: add explicit include of hardware.h to uncompressor
  ARM: ep93xx: clean-up mach/io.h
  ARM: tegra: clean-up mach/io.h
  ARM: orion5x: clean-up mach/io.h
  ARM: davinci: remove unneeded mach/io.h include
  [media] davinci: remove includes of mach/io.h
  ARM: OMAP: Remove remaining includes for mach/io.h
  ARM: msm: clean-up mach/io.h
  ...
2012-03-29 18:02:10 -07:00
Linus Torvalds 0195c00244 Disintegrate and delete asm/system.h
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Merge tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system

Pull "Disintegrate and delete asm/system.h" from David Howells:
 "Here are a bunch of patches to disintegrate asm/system.h into a set of
  separate bits to relieve the problem of circular inclusion
  dependencies.

  I've built all the working defconfigs from all the arches that I can
  and made sure that they don't break.

  The reason for these patches is that I recently encountered a circular
  dependency problem that came about when I produced some patches to
  optimise get_order() by rewriting it to use ilog2().

  This uses bitops - and on the SH arch asm/bitops.h drags in
  asm-generic/get_order.h by a circuituous route involving asm/system.h.

  The main difficulty seems to be asm/system.h.  It holds a number of
  low level bits with no/few dependencies that are commonly used (eg.
  memory barriers) and a number of bits with more dependencies that
  aren't used in many places (eg.  switch_to()).

  These patches break asm/system.h up into the following core pieces:

    (1) asm/barrier.h

        Move memory barriers here.  This already done for MIPS and Alpha.

    (2) asm/switch_to.h

        Move switch_to() and related stuff here.

    (3) asm/exec.h

        Move arch_align_stack() here.  Other process execution related bits
        could perhaps go here from asm/processor.h.

    (4) asm/cmpxchg.h

        Move xchg() and cmpxchg() here as they're full word atomic ops and
        frequently used by atomic_xchg() and atomic_cmpxchg().

    (5) asm/bug.h

        Move die() and related bits.

    (6) asm/auxvec.h

        Move AT_VECTOR_SIZE_ARCH here.

  Other arch headers are created as needed on a per-arch basis."

Fixed up some conflicts from other header file cleanups and moving code
around that has happened in the meantime, so David's testing is somewhat
weakened by that.  We'll find out anything that got broken and fix it..

* tag 'split-asm_system_h-for-linus-20120328' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-asm_system: (38 commits)
  Delete all instances of asm/system.h
  Remove all #inclusions of asm/system.h
  Add #includes needed to permit the removal of asm/system.h
  Move all declarations of free_initmem() to linux/mm.h
  Disintegrate asm/system.h for OpenRISC
  Split arch_align_stack() out from asm-generic/system.h
  Split the switch_to() wrapper out of asm-generic/system.h
  Move the asm-generic/system.h xchg() implementation to asm-generic/cmpxchg.h
  Create asm-generic/barrier.h
  Make asm-generic/cmpxchg.h #include asm-generic/cmpxchg-local.h
  Disintegrate asm/system.h for Xtensa
  Disintegrate asm/system.h for Unicore32 [based on ver #3, changed by gxt]
  Disintegrate asm/system.h for Tile
  Disintegrate asm/system.h for Sparc
  Disintegrate asm/system.h for SH
  Disintegrate asm/system.h for Score
  Disintegrate asm/system.h for S390
  Disintegrate asm/system.h for PowerPC
  Disintegrate asm/system.h for PA-RISC
  Disintegrate asm/system.h for MN10300
  ...
2012-03-28 15:58:21 -07:00
Linus Torvalds 750f77064a Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
 - Removal of the Documentation/watchdog/00-INDEX file
 - Fix boot status reporting for imx2_wdt
 - clean-up sp805_wdt, pnx4008_wdt and mpcore_wdt
 - convert printk in watchdog drivers to pr_ functions
 - change nowayout module parameter to bool for every watchdog device
 - conversion of jz4740_wdt, pnx4008_wdt, max63xx_wdt, softdog,
   ep93xx_wdt, coh901327 and txx9wdt to new watchdog API
 - Add support for the WDIOC_GETTIMELEFT ioctl call to the new watchdog
   API
 - Change the new watchdog API so that the driver updates the timeout
   value
 - two fixes for the xen_wdt driver

Fix up conflicts in ep93xx driver due to the same patches being merged
through separate branches.

* git://www.linux-watchdog.org/linux-watchdog: (33 commits)
  watchdog: txx9wdt: fix timeout
  watchdog: Convert txx9wdt driver to watchdog framework
  watchdog: coh901327_wdt.c: fix timeout
  watchdog: coh901327: convert to use watchdog core
  watchdog: Add support for WDIOC_GETTIMELEFT IOCTL in watchdog core
  watchdog: ep93xx_wdt: timeout is an unsigned int value.
  watchdog: ep93xx_wdt: Fix timeout after conversion to watchdog core
  watchdog: Convert ep93xx driver to watchdog core
  watchdog: sp805: Use devm routines
  watchdog: sp805: replace readl/writel with lighter _relaxed variants
  watchdog: sp805: Fix documentation style comment
  watchdog: mpcore_wdt: Allow platform_get_irq() to fail
  watchdog: mpcore_wdt: Use devm routines
  watchdog: mpcore_wdt: Rename dev to pdev for pointing to struct platform_device
  watchdog: xen: don't clear is_active when xen_wdt_stop() failed
  watchdog: xen: don't unconditionally enable the watchdog during resume
  watchdog: fix compiler error for missing parenthesis
  watchdog: ep93xx_wdt.c: fix platform probe
  watchdog: ep93xx: Convert the watchdog driver into a platform device.
  watchdog: fix set_timeout operations
  ...
2012-03-28 13:03:26 -07:00
Linus Torvalds 09893ee845 ARM: More device tree support updates
This branch contains a number of updates for device tree support on
 several ARM platforms, in particular:
 
 * AT91 continues the device tree conversion adding support for a number of
   on-chip drivers and other functionality
 * ux500 adds probing of some of the core SoC blocks through device tree
 * Initial device tree support for ST SPEAr600 platforms
 * kirkwood continues the conversion to device-tree probing
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Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: More device tree support updates" from Olof Johansson:
 "This branch contains a number of updates for device tree support on
  several ARM platforms, in particular:

   * AT91 continues the device tree conversion adding support for a
     number of on-chip drivers and other functionality
   * ux500 adds probing of some of the core SoC blocks through device
     tree
   * Initial device tree support for ST SPEAr600 platforms
   * kirkwood continues the conversion to device-tree probing"

Manually merge arch/arm/mach-ux500/Kconfig due to MACH_U8500 rename, and
drivers/usb/gadget/at91_udc.c due to header file include cleanups.

Also do an "evil merge" for the MACH_U8500 config option rename that the
affected RMI4 touchscreen driver in staging.  It's called MACH_MOP500
now, and it was missed during previous merges.

* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
  ARM: SPEAr600: Add device-tree support to SPEAr600 boards
  ARM: ux500: Provide local timer support for Device Tree
  ARM: ux500: Enable PL022 SSP Controller in Device Tree
  ARM: ux500: Enable PL310 Level 2 Cache Controller in Device Tree
  ARM: ux500: Enable PL011 AMBA UART Controller for Device Tree
  ARM: ux500: Enable Cortex-A9 GIC (Generic Interrupt Controller) in Device Tree
  ARM: ux500: db8500: list most devices in the snowball device tree
  ARM: ux500: split dts file for snowball into generic part
  ARM: ux500: combine the board init functions for DT boot
  ARM: ux500: Initial Device Tree support for Snowball
  ARM: ux500: CONFIG: Enable Device Tree support for future endeavours
  ARM: kirkwood: use devicetree for rtc-mv
  ARM: kirkwood: rtc-mv devicetree bindings
  ARM: kirkwood: fdt: define uart[01] as disabled, enable uart0
  ARM: kirkwood: fdt: facilitate new boards during fdt migration
  ARM: kirkwood: fdt: absorb kirkwood_init()
  ARM: kirkwood: fdt: use mrvl ticker symbol
  ARM: orion: wdt: use resource vice direct access
  ARM: Kirkwood: Remove tclk from kirkwood_asoc_platform_data.
  ARM: orion: spi: remove enable_clock_fix which is not used
  ...
2012-03-28 12:34:33 -07:00
David Howells 9ffc93f203 Remove all #inclusions of asm/system.h
Remove all #inclusions of asm/system.h preparatory to splitting and killing
it.  Performed with the following command:

perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`

Signed-off-by: David Howells <dhowells@redhat.com>
2012-03-28 18:30:03 +01:00
David Howells 9f97da78bf Disintegrate asm/system.h for ARM
Disintegrate asm/system.h for ARM.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Russell King <linux@arm.linux.org.uk>
cc: linux-arm-kernel@lists.infradead.org
2012-03-28 18:30:01 +01:00
Linus Torvalds 66f03c614c ARM: device tree work
Most of these patches convert code from using static platform data to
 describing the hardware in the device tree. This is only the first
 half of the changes for v3.4 because a lot of patches for this topic
 came in the last week before the merge window.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: device tree work" from Arnd Bergmann:
 "Most of these patches convert code from using static platform data to
  describing the hardware in the device tree.  This is only the first
  half of the changes for v3.4 because a lot of patches for this topic
  came in the last week before the merge window.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

Fix up trivial conflicts in arch/arm/mach-vexpress/{Kconfig,core.h}

* tag 'dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (86 commits)
  Document: devicetree: add OF documents for arch-mmp
  ARM: dts: append DTS file of pxa168
  ARM: mmp: append OF support on pxa168
  ARM: mmp: enable rtc clk in pxa168
  i2c: pxa: add OF support
  serial: pxa: add OF support
  arm/dts: mt_ventoux: very basic support for TeeJet Mt.Ventoux board
  ARM: OMAP2+: Remove extra ifdefs for board-generic
  ARM: OMAP2+: Fix build error when only ARCH_OMAP2/3 or 4 is selected
  ASoC: DT: Add digital microphone binding to PAZ00 board.
  ARM: dt: Add ARM PMU to tegra*.dtsi
  ARM: at91: at91sam9x5cm/dt: add leds support
  ARM: at91: usb_a9g20/dt: add gpio-keys support
  ARM: at91: at91sam9m10g45ek/dt: add gpio-keys support
  ARM: at91: at91sam9m10g45ek/dt: add leds support
  ARM: at91: usb_a9g20/dt: add leds support
  ARM: at91/pio: add new PIO3 features
  ARM: at91: add sam9_smc.o to at91sam9x5 build
  ARM: at91/tc/clocksource: Add 32 bit variant to Timer Counter
  ARM: at91/tc: add device tree support to atmel_tclib
  ...
2012-03-27 16:47:35 -07:00
Linus Torvalds d61b7a572b ARM: global cleanups
Quite a bit of code gets removed, and some stuff moved around, mostly
 the old samsung s3c24xx stuff. There should be no functional changes
 in this series otherwise. Some cleanups have dependencies on other
 arm-soc branches and will be sent in the second round.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: global cleanups" from Arnd Bergmann:
 "Quite a bit of code gets removed, and some stuff moved around, mostly
  the old samsung s3c24xx stuff.  There should be no functional changes
  in this series otherwise.  Some cleanups have dependencies on other
  arm-soc branches and will be sent in the second round.

  Signed-off-by: Arnd Bergmann <arnd@arndb.de>"

Fixed up trivial conflicts mainly due to #include's being changes on
both sides.

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (121 commits)
  ep93xx: Remove unnecessary includes of ep93xx-regs.h
  ep93xx: Move EP93XX_SYSCON defines to SoC private header
  ep93xx: Move crunch code to mach-ep93xx directory
  ep93xx: Make syscon access functions private to SoC
  ep93xx: Configure GPIO ports in core code
  ep93xx: Move peripheral defines to local SoC header
  ep93xx: Convert the watchdog driver into a platform device.
  ep93xx: Use ioremap for backlight driver
  ep93xx: Move GPIO defines to gpio-ep93xx.h
  ep93xx: Don't use system controller defines in audio drivers
  ep93xx: Move PHYS_BASE defines to local SoC header file
  ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver
  ARM: EXYNOS: add clock registers for exynos4x12-cpufreq
  PM / devfreq: update the name of EXYNOS clock registers that were omitted
  PM / devfreq: update the name of EXYNOS clock register
  ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock
  ARM: EXYNOS: use static declaration on regarding clock
  ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs
  ARM: OMAP2+: Fix build error after merge
  ARM: S3C24XX: remove call to s3c24xx_setup_clocks
  ...
2012-03-27 16:03:32 -07:00
Wim Van Sebroeck b92c803ec6 watchdog: txx9wdt: fix timeout
timeout should be an unsigned int.
Set the timeout value properly in the watchdog_device struct so that
we don't get an faulty values for the WDIOC_GETTIMEOUT ioctl call.
Add check to see that timeout is a valid parameter after it is loaded
as a module.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
2012-03-27 20:16:13 +02:00
Axel Lin d624584238 watchdog: Convert txx9wdt driver to watchdog framework
This patch converts txx9wdt driver to watchdog framework.
Also use devm_* APIs to save a few error handling code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:16:07 +02:00
Wim Van Sebroeck dddbc6a051 watchdog: coh901327_wdt.c: fix timeout
Set the timeout value properly so that we don't get faulty values
for the WDIOC_GETTIMEOUT iotcl. 'margin' should be an unsigned int.
Also add a check to see if margin is a valid parameter after it is
loaded as a module.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
2012-03-27 20:15:57 +02:00
Linus Walleij 15b25701b2 watchdog: coh901327: convert to use watchdog core
This converts the COH901327 watchdog to use the watchdog core.
I followed Wolframs document, looked at some other drivers and
tested it on the U300.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:15:47 +02:00
Viresh Kumar fd7b673c92 watchdog: Add support for WDIOC_GETTIMELEFT IOCTL in watchdog core
This patch adds support for WDIOC_GETTIMELEFT IOCTL in watchdog core. So, there
is another function pointer added to struct watchdog_ops, which can be passed by
drivers to support this IOCTL.

Related documentation is updated too.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:15:37 +02:00
Wim Van Sebroeck 2ca1606359 watchdog: ep93xx_wdt: timeout is an unsigned int value.
the timeout is a positive thus unsigned int value.
Also re-add the comment about the actual heartbeat.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:15:24 +02:00
Mika Westerberg 59dcf1eb1a watchdog: ep93xx_wdt: Fix timeout after conversion to watchdog core
After the conversion of this driver to the watchdog core, I noticed that we
miss setting the initial timeout of the wdt device.
This results in a failure of the WDIOC_GETTIMEOUT ioctl call.

Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi>
Tested-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:15:17 +02:00
H Hartley Sweeten e12a679dde watchdog: Convert ep93xx driver to watchdog core
Convert the ep93xx_wdt driver to the watchdog framework API.

Also, use the dev_<fmt> functions instead of pr_<fmt> for logging.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:15:02 +02:00
Viresh Kumar fb35a5ad5b watchdog: sp805: Use devm routines
sp805 driver currently uses normal kzalloc, ioremap, etc routines. This patch
replaces these routines with devm_kzalloc and devm_request_mem_region etc, so
that we don't need to handle freeing of resources for error cases and module
removal routine.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:14:34 +02:00
Viresh Kumar d2e8919bcf watchdog: sp805: replace readl/writel with lighter _relaxed variants
readl/writel versions for ARM contain memory barrier instruction for
synchronizing DMA buffers.  These are not required at least on this
module.  So use lighter _relaxed variants.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:14:31 +02:00
Viresh Kumar bfae14b679 watchdog: sp805: Fix documentation style comment
@ was missing before variables names, in their description. Also adev is
mentioned as dev in comment. Fix both these issues.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:14:28 +02:00
Viresh Kumar 60a1aa50b2 watchdog: mpcore_wdt: Allow platform_get_irq() to fail
irq is not necessary for mpcore wdt. Don't return error if it is not passed. But
if it is passed, then request_irq must pass.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:14:20 +02:00
Viresh Kumar 75f5a536c0 watchdog: mpcore_wdt: Use devm routines
mpcore_wdt driver currently uses normal kzalloc, request_irq, ioremap, etc
routines. This patch replaces these routines with devm_kzalloc and
devm_request_mem_region etc, so that we don't need to handle freeing of
resources for error cases and module removal routine.

Also, request_irq is moved before registering misc device, so that we are ready
for irq as soon as device is registered.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:14:15 +02:00
Viresh Kumar aa065770f5 watchdog: mpcore_wdt: Rename dev to pdev for pointing to struct platform_device
Pointer to struct platform_device is named as dev, which makes it confusing when
we write statements like dev->dev to access struct device within it.

This patch renames such names to pdev.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:14:11 +02:00
Jan Beulich 38c484fa13 watchdog: xen: don't clear is_active when xen_wdt_stop() failed
xen_wdt_release() shouldn't clear is_active even when the watchdog
didn't get stopped (which by itself shouldn't happen, but let's return
a proper error in this case rather than adding a BUG() upon hypercall
failure).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:13:55 +02:00
Jan Beulich 83448bf786 watchdog: xen: don't unconditionally enable the watchdog during resume
This was found to be a problem particularly after guest migration.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reported-by: Wouter de Geus <benv-xensource.com@junerules.com>
Reported-by: Ian Campbell <Ian.Campbell@citrix.com>
Tested-by: Wouter de Geus <benv-xensource.com@junerules.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:13:43 +02:00
Jaehoon Chung ccd4144dd4 watchdog: fix compiler error for missing parenthesis
Joe's patch(watchdog: Use pr_<fmt> and pr_<level>) missed parenthesis in s3c2410_wdt.c.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:09:13 +02:00
Wim Van Sebroeck 697b41e4d4 watchdog: ep93xx_wdt.c: fix platform probe
Fix the device/driver init so that the misc_register
happens as last (since this opens userspace access to
the device).

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:08:48 +02:00
H Hartley Sweeten 3e0113a896 watchdog: ep93xx: Convert the watchdog driver into a platform device.
Convert the ep93xx watchdog driver into a platform device and
remove it's dependency on <mach/hardware.h>.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-03-27 20:08:34 +02:00
Wim Van Sebroeck 0197c1c49e watchdog: fix set_timeout operations
Since we changed the behaviour of the set_timeout operation in the
watchdog API, we need to change the allready converted drivers so
that they update the timeout field at the end of the set_timeout
operation.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:08:09 +02:00
Hans de Goede b10f7c12e0 watchdog: watchdog_dev: Let the driver update the timeout field on set_timeout success
When a set_timeout operation succeeds this does not necessarily mean that
the exact timeout requested has been achieved, because the watchdog does not
necessarily have a 1 second resolution. So rather then have the core set
the timeout member of the watchdog_device struct to the exact requested
value, instead the driver should set it to the actually achieved timeout value.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:07:43 +02:00
Alan Cox a5132cafc0 watchdog: softdog: convert to watchdog core
Convert softdog.c to the new watchdog API.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:07:21 +02:00
Axel Lin a0f3683365 watchdog: Convert max63xx_wdt driver to watchdog framework
This patch converts max63xx_wdt driver to watchdog framework.
Also use devm_* APIs to save a few error handling code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:06:59 +02:00
Wolfram Sang 6b1e83869d watchdog: pnx4008: convert driver to use the watchdog framework
Make this driver a user of the watchdog framework and remove parts now handled
by the core. Tested on a custom lpc32xx-board.

[wim@iguana.be: Added set_timeout operation]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:06:37 +02:00
Axel Lin 2e51d90f4d watchdog: Convert wm8350_wdt driver to watchdog core
This patch converts wm8350_wdt driver to use watchdog core APIs.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:06:22 +02:00
Axel Lin 85f6df1492 watchdog: Convert jz4740_wdt driver to watchdog core
This patch converts jz4740_wdt driver to use watchdog core APIs.
Also use devm_* APIs to save a few error handling code.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:06:16 +02:00
Wim Van Sebroeck 86a1e1896c watchdog: nowayout is bool
nowayout is actually a boolean value.
So make it bool for all watchdog device drivers.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 20:06:02 +02:00
Joe Perches 27c766aaac watchdog: Use pr_<fmt> and pr_<level>
Use the current logging styles.

Make sure all output has a prefix.
Add missing newlines.
Remove now unnecessary PFX, NAME, and miscellaneous other #defines.
Coalesce formats.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 19:59:26 +02:00
Wolfram Sang 7cbc353540 watchdog: pnx4008: don't use __raw_-accessors
__raw_readl/__raw_writel are not meant for drivers [1].

[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/117626

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 19:59:09 +02:00
Wolfram Sang 19f505f09c watchdog: pnx4008: cleanup resource handling using managed devices
The resource handling in this driver was flaky: IO_ADDRESS instead of
ioremap (and no unmapping), an unneeded static resource, no central exit
path for error cases. Fix this by converting the driver to use managed
resources. Also use dev_*-messages instead of pr_* while we are here.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 19:59:03 +02:00
Viresh Kumar 16ac4abe0d watchdog: sp805_wdt: add pm callbacks to support standby/S2R/hibernation
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 19:58:45 +02:00
Oskar Schirmer 474ef12100 watchdog: make imx2_wdt report boot status correctly
Ioctl WDIOC_GETBOOTSTATUS is supposed to return some information
on why the system did (re)boot recently, value WDIOF_CARDRESET
being used to indicate watchdog induced reboot.

Up to now, imx2_wdt did not provide a value here, always returning
zero to indicate normal boot.

Do evaluate the IMX Watchdog Reset Status Register and
produce WDIOF_CARDRESET with WDIOC_GETBOOTSTATUS in case
of a watchdog induced reset.

Signed-off-by: Oskar Schirmer <oskar@scara.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-03-27 19:58:30 +02:00
Rob Herring 23019a733b ARM: pxa: use common IOMEM definition
pxa was missed in the moving of IOMEM to a common definition, so lots of
IOMEM redefined warnings were introduced. So remove pxa IOMEM definition
and fix all the fallout.

Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Haojian Zhuang <haojian.zhuang@marvell.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: rtc-linux@googlegroups.com
Cc: alsa-devel@alsa-project.org
2012-03-25 14:36:31 -05:00
Arnd Bergmann 7d1206bc28 Merge branch 'kirkwood/dt' into next/dt2
This was part of the for-next branch earlier but for some reasons
a rebuild of the tree missed it, so I'm putting it back in now.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2012-03-24 19:16:04 +00:00
Linus Torvalds 0d19eac120 Merge branch 'amba' of git://git.linaro.org/people/rmk/linux-arm
Pull #2 ARM updates from Russell King:
 "Further ARM AMBA primecell updates which aren't included directly in
  the previous commit.  I wanted to keep these separate as they're
  touching stuff outside arch/arm/."

* 'amba' of git://git.linaro.org/people/rmk/linux-arm:
  ARM: 7362/1: AMBA: Add module_amba_driver() helper macro for amba_driver
  ARM: 7335/1: mach-u300: do away with MMC config files
  ARM: 7280/1: mmc: mmci: Cache MMCICLOCK and MMCIPOWER register
  ARM: 7309/1: realview: fix unconnected interrupts on EB11MP
  ARM: 7230/1: mmc: mmci: Fix PIO read for small SDIO packets
  ARM: 7227/1: mmc: mmci: Prepare for SDIO before setting up DMA job
  ARM: 7223/1: mmc: mmci: Fixup use of runtime PM and use autosuspend
  ARM: 7221/1: mmc: mmci: Change from using legacy suspend
  ARM: 7219/1: mmc: mmci: Change vdd_handler to a generic ios_handler
  ARM: 7218/1: mmc: mmci: Provide option to configure bus signal direction
  ARM: 7217/1: mmc: mmci: Put power register deviations in variant data
  ARM: 7216/1: mmc: mmci: Do not release spinlock in request_end
  ARM: 7215/1: mmc: mmci: Increase max_segs from 16 to 128
2012-03-23 17:36:29 -07:00
Linus Torvalds 5375871d43 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
Pull powerpc merge from Benjamin Herrenschmidt:
 "Here's the powerpc batch for this merge window.  It is going to be a
  bit more nasty than usual as in touching things outside of
  arch/powerpc mostly due to the big iSeriesectomy :-) We finally got
  rid of the bugger (legacy iSeries support) which was a PITA to
  maintain and that nobody really used anymore.

  Here are some of the highlights:

   - Legacy iSeries is gone.  Thanks Stephen ! There's still some bits
     and pieces remaining if you do a grep -ir series arch/powerpc but
     they are harmless and will be removed in the next few weeks
     hopefully.

   - The 'fadump' functionality (Firmware Assisted Dump) replaces the
     previous (equivalent) "pHyp assisted dump"...  it's a rewrite of a
     mechanism to get the hypervisor to do crash dumps on pSeries, the
     new implementation hopefully being much more reliable.  Thanks
     Mahesh Salgaonkar.

   - The "EEH" code (pSeries PCI error handling & recovery) got a big
     spring cleaning, motivated by the need to be able to implement a
     new backend for it on top of some new different type of firwmare.

     The work isn't complete yet, but a good chunk of the cleanups is
     there.  Note that this adds a field to struct device_node which is
     not very nice and which Grant objects to.  I will have a patch soon
     that moves that to a powerpc private data structure (hopefully
     before rc1) and we'll improve things further later on (hopefully
     getting rid of the need for that pointer completely).  Thanks Gavin
     Shan.

   - I dug into our exception & interrupt handling code to improve the
     way we do lazy interrupt handling (and make it work properly with
     "edge" triggered interrupt sources), and while at it found & fixed
     a wagon of issues in those areas, including adding support for page
     fault retry & fatal signals on page faults.

   - Your usual random batch of small fixes & updates, including a bunch
     of new embedded boards, both Freescale and APM based ones, etc..."

I fixed up some conflicts with the generalized irq-domain changes from
Grant Likely, hopefully correctly.

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (141 commits)
  powerpc/ps3: Do not adjust the wrapper load address
  powerpc: Remove the rest of the legacy iSeries include files
  powerpc: Remove the remaining CONFIG_PPC_ISERIES pieces
  init: Remove CONFIG_PPC_ISERIES
  powerpc: Remove FW_FEATURE ISERIES from arch code
  tty/hvc_vio: FW_FEATURE_ISERIES is no longer selectable
  powerpc/spufs: Fix double unlocks
  powerpc/5200: convert mpc5200 to use of_platform_populate()
  powerpc/mpc5200: add options to mpc5200_defconfig
  powerpc/mpc52xx: add a4m072 board support
  powerpc/mpc5200: update mpc5200_defconfig to fit for charon board
  Documentation/powerpc/mpc52xx.txt: Checkpatch cleanup
  powerpc/44x: Add additional device support for APM821xx SoC and Bluestone board
  powerpc/44x: Add support PCI-E for APM821xx SoC and Bluestone board
  MAINTAINERS: Update PowerPC 4xx tree
  powerpc/44x: The bug fixed support for APM821xx SoC and Bluestone board
  powerpc: document the FSL MPIC message register binding
  powerpc: add support for MPIC message register API
  powerpc/fsl: Added aliased MSIIR register address to MSI node in dts
  powerpc/85xx: mpc8548cds - add 36-bit dts
  ...
2012-03-21 18:55:10 -07:00
viresh kumar 9e5ed094c8 ARM: 7362/1: AMBA: Add module_amba_driver() helper macro for amba_driver
For simple modules that contain a single amba_driver without any
additional setup code then ends up being a block of duplicated
boilerplate. This patch adds a new macro, module_amba_driver(),
which replaces the module_init()/module_exit() registrations with
template functions.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-16 23:32:35 +00:00
Arnd Bergmann c899445f97 Merge branch 'kirkwood_dt_for_3.4_v3' of git://git.infradead.org/users/jcooper/linux-kirkwood into kirkwood/dt
* 'kirkwood_dt_for_3.4_v3' of git://git.infradead.org/users/jcooper/linux-kirkwood:
  ARM: kirkwood: use devicetree for rtc-mv
  ARM: kirkwood: rtc-mv devicetree bindings
  ARM: kirkwood: fdt: define uart[01] as disabled, enable uart0
  ARM: kirkwood: fdt: facilitate new boards during fdt migration
  ARM: kirkwood: fdt: absorb kirkwood_init()
  ARM: kirkwood: fdt: use mrvl ticker symbol
  ARM: orion: wdt: use resource vice direct access
  ARM: Kirkwood: Remove tclk from kirkwood_asoc_platform_data.
  ARM: orion: spi: remove enable_clock_fix which is not used
2012-03-16 20:13:43 +00:00
Martyn Welch 330bbf4854 powerpc: Add GE FPGA config option
This patch adds the GE_FPGA configuration option. This is being carried
out as ground work to allow the PIC and GPIO drivers to be move from the
powerpc 86xx platform directory to more general locations to allow them to
be used on non-86xx boards and to reduce churn when further boards using
these drivers are added.

Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
2012-03-16 11:08:05 -05:00
Jason Cooper a855a7ced4 ARM: orion: wdt: use resource vice direct access
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-03-16 04:28:41 +00:00
Arnd Bergmann f4e2467bad Merge branch 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6 into next/cleanup
* 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6:
  ep93xx: Remove unnecessary includes of ep93xx-regs.h
  ep93xx: Move EP93XX_SYSCON defines to SoC private header
  ep93xx: Move crunch code to mach-ep93xx directory
  ep93xx: Make syscon access functions private to SoC
  ep93xx: Configure GPIO ports in core code
  ep93xx: Move peripheral defines to local SoC header
  ep93xx: Convert the watchdog driver into a platform device.
  ep93xx: Use ioremap for backlight driver
  ep93xx: Move GPIO defines to gpio-ep93xx.h
  ep93xx: Don't use system controller defines in audio drivers
  ep93xx: Move PHYS_BASE defines to local SoC header file

(update to v3.3-rc7)

Conflicts:
	arch/arm/mach-s3c2440/common.h
2012-03-15 15:20:07 +00:00
H Hartley Sweeten 73303d1292 ep93xx: Convert the watchdog driver into a platform device.
Convert the ep93xx watchdog driver into a platform device and
remove it's dependency on <mach/hardware.h>.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Ryan Mallon <rmallon@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Reviewed-by: Mika Westerberg <mika.westerberg@iki.fi>
Acked-by: Arnd Bergmann <arnd@arndb.de>
2012-03-14 11:41:11 +11:00
Olof Johansson e3643b77de Merge branch 'next/cleanup-exynos-clock' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
* 'next/cleanup-exynos-clock' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver
  ARM: EXYNOS: add clock registers for exynos4x12-cpufreq
  PM / devfreq: update the name of EXYNOS clock registers that were omitted
  PM / devfreq: update the name of EXYNOS clock register
  ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock
  ARM: EXYNOS: use static declaration on regarding clock
  ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs
  (includes an update to v3.3-rc6)
2012-03-13 16:08:06 -07:00
Olof Johansson a58f67e70a Merge branch 'dt' of git://github.com/hzhuang1/linux into next/dt
* 'dt' of git://github.com/hzhuang1/linux: (6 commits)
  Document: devicetree: add OF documents for arch-mmp
  ARM: dts: append DTS file of pxa168
  ARM: mmp: append OF support on pxa168
  ARM: mmp: enable rtc clk in pxa168
  i2c: pxa: add OF support
  serial: pxa: add OF support

  (plus update to v3.3-rc6)
2012-03-08 09:27:07 -08:00
Kukjin Kim 880bcd4a83 Merge branch 'topic/cleanup-s3c24xx' into next/cleanup-s3c24xx
Conflicts:
	arch/arm/mach-s3c24xx/include/mach/system.h
2012-03-07 01:36:33 -08:00
Kukjin Kim b130d5c295 ARM: S3C24XX: change the ARCH_S3C2410 to ARCH_S3C24XX
This patch changes the ARCH name to "ARCH_S3C24XX" for Samsung
S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443,
and S3C2450 SoCs so that we can merge the mach-xxx directories
and plat-s3c24xx dir. to just one mach-s3c24xx for them.

I think this should be sent to upstream via samsung tree because
this touches many samsung stuff.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
[for the gadget part:]
Acked-by: Felipe Balbi <balbi@ti.com>
[for the framebuffer (video) part:]
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
[For the watchdog-part:]
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Sangbeom Kim <sbkim73@samsung.com>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-03-03 07:44:51 +09:00
Dmitry Artamonow 741b9c7da1 watchdog: fix GETTIMEOUT ioctl in booke_wdt
Commit dcfb748422 ([WATCHDOG] fix book E watchdog to take
WDIOC_SETTIMEOUT arg in seconds) fixed SETTIMEOUT ioctl
to use seconds as a parameter instead of some hardware-specific
"period", but missed to apply similar changes to GETTIMEOUT,
so it still returns "period" value. Let's fix it!
Also, while at it, make SETTIMEOUT ioctl return real timeout
value as it should do according to the documentation.

Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-02-29 09:46:13 +01:00
Masanari Iida 7ec0f040cf watchdog: Fix typo in pnx4008_wdt.c
Correct spelling "resouce" to "resource" in
drivers/watchdog/pnx4008_wdt.c

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-02-28 17:08:52 +01:00
Masanari Iida e1d1d68aae watchdog: Fix typo in Kconfig
Correct spelling "overidden" to "overridden" in
drivers/watchdog/Kconfig

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-02-28 17:08:48 +01:00
MyungJoo Ham 78d3e00bb0 watchdog: fix error in probe() of s3c2410_wdt (reset at booting)
Probe function of s3c2410 watchdog calls request_irq before initializing
required value (wdt_count). This incurs resetting watchdog counter value
and watchdog-reboot during booting up.

This patch addresses such an issue by calling request_irq later.

Error handling in probe function and calling oder in remove function are
also revised accordingly.

Reported-by: Chanwoo Park <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: Wim Van Sebroeck <wim@iguana.be>
2012-02-28 17:08:42 +01:00
Maxim Uvarov 97d2a10d58 watchdog: hpwdt: clean up set_memory_x call for 32 bit
1. address has to be page aligned.
2. set_memory_x uses page size argument, not size.
Bug causes with following commit:
	commit da28179b4e90dda56912ee825c7eaa62fc103797
	Author: Mingarelli, Thomas <Thomas.Mingarelli@hp.com>
	Date:   Mon Nov 7 10:59:00 2011 +0100

     watchdog: hpwdt: Changes to handle NX secure bit in 32bit path

    commit e67d668e14 upstream.

    This patch makes use of the set_memory_x() kernel API in order
    to make necessary BIOS calls to source NMIs.

Signed-off-by: Maxim Uvarov <maxim.uvarov@oracle.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: stable <stable@vger.kernel.org>
2012-02-28 17:08:36 +01:00
Jean-Christophe PLAGNIOL-VILLARD 5e9cf5e18d ARM: at91: make ST (System Timer) soc independent
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reviewed-by: Ryan Mallon <rmallon@gmail.com>
2012-02-23 09:26:01 +01:00
Seth Heasley 84e83c2846 watchdog: iTCO_wdt: add Intel Lynx Point DeviceIDs
This patch adds the TCO Watchdog DeviceIDs for the Intel Lynx Point PCH.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 10:01:16 +01:00
Axel Lin f6dd94f819 watchdog: via_wdt: Set min_timeout and max_timeout for wdt_dev
Let the watchdog core to check the valid value range of min_timeout/max_timeout.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 10:00:53 +01:00
Masanari Iida b1785dfd4f watchdog: Fix typo "unexpectdly"
Correct typo "unexpectdly" to "unexpectedly" in pnx4008_wdt.c
and stmp3xxx_wdt.c

Signed-off-by: Masanari Iida<standby24x7@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 10:00:15 +01:00
Axel Lin 8a062ac693 watchdog: wafer5823wdt: Fix handling WDIOS_DISABLECARD/WDIOS_ENABLECARD options
While receiving WDIOS_DISABLECARD option for WDIOC_SETOPTIONS command,
call wafwdt_stop() to disable watchdog.
Call wafwdt_start() while receiving WDIOS_ENABLECARD option.

Current code has reverse behavior.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:55:13 +01:00
Axel Lin ebe06e826f watchdog: wm8350_wdt: Fix handling WDIOS_DISABLECARD/WDIOS_ENABLECARD options
While receiving WDIOS_DISABLECARD option for WDIOC_SETOPTIONS command,
call wm8350_wdt_stop() to disable watchdog.
Call wm8350_wdt_start() while receiving WDIOS_ENABLECARD option.

Current code has reverse behavior.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:55:04 +01:00
Axel Lin 2865e770c9 watchdog: Return proper error in nuc900wdt_probe if misc_register fails
Return proper error instead of 0 if misc_register fails

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:54:51 +01:00
Axel Lin e352829a67 watchdog: Staticise nuc900_wdt
It is only used in this driver, so no need to make the symbol global.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:54:41 +01:00
Axel Lin 0318e286f9 watchdog: via_wdt: Staticise wdt_pci_table
It is only used in this driver, so no need to make the symbol global.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Marc Vertes <marc.vertes@sigfox.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:54:12 +01:00
Shubhrajyoti D 12c583d8dc watchdog: omap_wdt.c: Fix the mismatch of pm_runtime enable and disable
Currently the watchdog driver calls the pm_runtime_enable and never
the disable. This may cause a warning when pm_runtime_enable
checks for the count match.

Also fixes the error

/build/watchdog # insmod omap_wdt.ko
[   44.999389] omap_wdt omap_wdt: Unbalanced pm_runtime_enable!
[   45.011047] OMAP Watchdog Timer Rev 0x00: initial timeout 60 sec
/build/watchdog #

Attempting to fix the same by calling pm_runtime_disable.

Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:53:53 +01:00
Julia Lawall 52ea9a7d79 watchdog: dw_wdt.c: use devm_request_and_ioremap
Reimplement a call to devm_request_mem_region followed by a call to ioremap
or ioremap_nocache by a call to devm_request_and_ioremap.

The semantic patch that makes this transformation is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@nm@
expression myname;
identifier i;
@@

struct platform_driver i = { .driver = { .name = myname } };

@@
expression dev,res,size;
expression nm.myname;
@@

-if (!devm_request_mem_region(dev, res->start, size,
-                              \(res->name\|dev_name(dev)\|myname\))) {
-   ...
-   return ...;
-}
... when != res->start
(
-devm_ioremap(dev,res->start,size)
+devm_request_and_ioremap(dev,res)
|
-devm_ioremap_nocache(dev,res->start,size)
+devm_request_and_ioremap(dev,res)
)
... when any
    when != res->start
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:53:28 +01:00
Julia Lawall 5d32d4868a watchdog: imx2_wdt.c: use devm_request_and_ioremap
Reimplement a call to devm_request_mem_region followed by a call to ioremap
or ioremap_nocache by a call to devm_request_and_ioremap.

The variable res_size is then no longer needed.

The semantic patch that makes this transformation is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@nm@
expression myname;
identifier i;
@@

struct platform_driver i = { .driver = { .name = myname } };

@@
expression dev,res,size;
expression nm.myname;
@@

-if (!devm_request_mem_region(dev, res->start, size,
-                              \(res->name\|dev_name(dev)\|myname\))) {
-   ...
-   return ...;
-}
... when != res->start
(
-devm_ioremap(dev,res->start,size)
+devm_request_and_ioremap(dev,res)
|
-devm_ioremap_nocache(dev,res->start,size)
+devm_request_and_ioremap(dev,res)
)
... when any
    when != res->start
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2012-01-27 09:53:19 +01:00
Rusty Russell 90ab5ee941 module_param: make bool parameters really bool (drivers & misc)
module_param(bool) used to counter-intuitively take an int.  In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.

It's time to remove the int/unsigned int option.  For this version
it'll simply give a warning, but it'll break next kernel version.

Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-01-13 09:32:20 +10:30
Linus Torvalds 88266917b5 Merge git://www.linux-watchdog.org/linux-watchdog
* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: omap_wdt.c: fix the WDIOC_GETBOOTSTATUS ioctl if not implemented.
  watchdog: new driver for VIA chipsets
  watchdog: ath79_wdt: flush register writes
  drivers/watchdog/lantiq_wdt.c: drop iounmap for devm_ allocated data
  watchdog: documentation: describe nowayout in coversion-guide
  watchdog: documentation: update index file
  watchdog: Convert wm831x driver to devm_kzalloc()
  watchdog: add nowayout helpers to Watchdog Timer Driver Kernel API
  watchdog: convert drivers/watchdog/* to use module_platform_driver()
  watchdog: Use DEFINE_SPINLOCK() for static spinlocks
  watchdog: Convert Wolfson drivers to module_platform_driver
2012-01-10 10:29:23 -08:00
Linus Torvalds acc952c1f3 Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated
 drivers, the bulk of these is for mach-91.
 
 I ended up pulling in the restart branch from Russell in order to
 fix up some simple but annoying merge conflicts.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Cleanups on various subarchitectures

Cleanup patches for various ARM platforms and some of their associated
drivers, the bulk of these is for mach-91.

Arnd ended up pulling in the restart branch from Russell in order to
fix up some simple but annoying merge conflicts.

* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
  arm/at91: fix build of stamp9g20
  ARM: u300: delete memory.h
  MAINTAINERS: add maintainer entry for Picochip picoxcell
  ARM: picoxcell: move io mappings to common.c
  ARM: picoxcell: don't reserve irq_descs
  ARM: picoxcell: remove mach/memory.h
  ARM: at91: delete the pcontrol_g20_defconfig
  arm/tegra: Remove code that's ifndef CONFIG_ARM_GIC
  arm/tegra: remove unused defines
  arm/tegra: fix variable formatting in makefile
  ARM: davinci: vpif: move code to driver core header from platform
  ARM: at91/gpio: fix display of number of irq setuped
  ARM: at91/gpio: drop PIN_BASE
  ARM: at91/udc: use gpio_is_valid to check the gpio
  ARM: at91/ohci: use gpio_is_valid to check the gpio
  ARM: at91/nand: use gpio_is_valid to check the gpio
  ARM: at91/mmc: use gpio_is_valid to check the gpio
  ARM: at91/ide: use gpio_is_valid to check the gpio
  ARM: at91/pata: use gpio_is_valid to check the gpio
  ARM: at91/soc: use gpio_is_valid to check the gpio
  ...
2012-01-09 14:21:03 -08:00
Linus Torvalds 98793265b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
  Kconfig: acpi: Fix typo in comment.
  misc latin1 to utf8 conversions
  devres: Fix a typo in devm_kfree comment
  btrfs: free-space-cache.c: remove extra semicolon.
  fat: Spelling s/obsolate/obsolete/g
  SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
  tools/power turbostat: update fields in manpage
  mac80211: drop spelling fix
  types.h: fix comment spelling for 'architectures'
  typo fixes: aera -> area, exntension -> extension
  devices.txt: Fix typo of 'VMware'.
  sis900: Fix enum typo 'sis900_rx_bufer_status'
  decompress_bunzip2: remove invalid vi modeline
  treewide: Fix comment and string typo 'bufer'
  hyper-v: Update MAINTAINERS
  treewide: Fix typos in various parts of the kernel, and fix some comments.
  clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
  gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
  leds: Kconfig: Fix typo 'D2NET_V2'
  sound: Kconfig: drop unknown symbol ARCH_CLPS7500
  ...

Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
2012-01-08 13:21:22 -08:00
Linus Torvalds 7affca3537 Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
* 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (73 commits)
  arm: fix up some samsung merge sysdev conversion problems
  firmware: Fix an oops on reading fw_priv->fw in sysfs loading file
  Drivers:hv: Fix a bug in vmbus_driver_unregister()
  driver core: remove __must_check from device_create_file
  debugfs: add missing #ifdef HAS_IOMEM
  arm: time.h: remove device.h #include
  driver-core: remove sysdev.h usage.
  clockevents: remove sysdev.h
  arm: convert sysdev_class to a regular subsystem
  arm: leds: convert sysdev_class to a regular subsystem
  kobject: remove kset_find_obj_hinted()
  m86k: gpio - convert sysdev_class to a regular subsystem
  mips: txx9_sram - convert sysdev_class to a regular subsystem
  mips: 7segled - convert sysdev_class to a regular subsystem
  sh: dma - convert sysdev_class to a regular subsystem
  sh: intc - convert sysdev_class to a regular subsystem
  power: suspend - convert sysdev_class to a regular subsystem
  power: qe_ic - convert sysdev_class to a regular subsystem
  power: cmm - convert sysdev_class to a regular subsystem
  s390: time - convert sysdev_class to a regular subsystem
  ...

Fix up conflicts with 'struct sysdev' removal from various platform
drivers that got changed:
 - arch/arm/mach-exynos/cpu.c
 - arch/arm/mach-exynos/irq-eint.c
 - arch/arm/mach-s3c64xx/common.c
 - arch/arm/mach-s3c64xx/cpu.c
 - arch/arm/mach-s5p64x0/cpu.c
 - arch/arm/mach-s5pv210/common.c
 - arch/arm/plat-samsung/include/plat/cpu.h
 - arch/powerpc/kernel/sysfs.c
and fix up cpu_is_hotpluggable() as per Greg in include/linux/cpu.h
2012-01-07 12:03:30 -08:00
Linus Torvalds d3d0b02434 Merge branch 'amba-modalias' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'amba-modalias' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm:
  sound: aaci: Enable module alias autogeneration for AMBA drivers
  watchdog: sp805: Enable module alias autogeneration for AMBA drivers
  fbdev: amba: Enable module alias autogeneration for AMBA drivers
  serial: pl011: Enable module alias autogeneration for AMBA drivers
  serial: pl010: Enable module alias autogeneration for AMBA drivers
  spi: pl022: Enable module alias autogeneration for AMBA drivers
  rtc: pl031: Enable module alias autogeneration for AMBA drivers
  rtc: pl030: Enable module alias autogeneration for AMBA drivers
  mmc: mmci: Enable module alias autogeneration for AMBA drivers
  input: ambakmi: Enable module alias autogeneration for AMBA drivers
  gpio: pl061: Enable module alias autogeneration for AMBA drivers
  dmaengine: pl330: Enable module alias autogeneration for AMBA drivers
  dmaengine: pl08x: Enable module alias autogeneration for AMBA drivers
  hwrng: nomadik: Enable module alias autogeneration for AMBA drivers
  ARM: amba: Auto-generate AMBA driver module aliases during modpost
  ARM: amba: Move definition of struct amba_id to mod_devicetable.h
2012-01-06 18:03:30 -08:00