linux-toradex.git/drivers/watchdog, branch v4.10

Merge tag 'watchdog-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

2016-12-24T19:27:45+00:00

Pull watchdog updates from Wim Van Sebroeck and Guenter Roeck:

 - new driver for Add Loongson1 SoC

 - minor cleanup and fixes in various drivers

* tag 'watchdog-for-linus-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  watchdog: it87_wdt: add IT8620E ID
  watchdog: mpc8xxx: Remove unneeded linux/miscdevice.h include
  watchdog: octeon: Remove unneeded linux/miscdevice.h include
  watchdog: bcm2835_wdt: set WDOG_HW_RUNNING bit when appropriate
  watchdog: loongson1: Add Loongson1 SoC watchdog driver
  watchdog: cpwd: remove memory allocate failure message
  watchdog: da9062/61: watchdog driver
  intel-mid_wdt: Error code is just an integer
  intel-mid_wdt: make sure watchdog is not running at startup
  watchdog: mei_wdt: request stop on reboot to prevent false positive event
  watchdog: hpwdt: changed maintainer information
  watchdog: jz4740: Fix modular build
  watchdog: qcom: fix kernel panic due to external abort on non-linefetch
  watchdog: davinci: add support for deferred probing
  watchdog: meson: Remove unneeded platform MODULE_ALIAS
  watchdog: Standardize leading tabs and spaces in Kconfig file
  watchdog: max77620_wdt: fix module autoload
  watchdog: bcm7038_wdt: fix module autoload

watchdog: it87_wdt: add IT8620E ID

2016-12-16T14:53:56+00:00

This adds IT8620E chip ID to it87_wdt driver.
Such chip is often found on current Gigabyte motherboards, it is allegedly
custom made for this manufacturer.

Upon testing it looks like it has a 16-bit timer and cannot be reset via
game port (only via CIR), so it is similar to IT87{18,20,21,28,83} chips.

Tested on GA-F2A88XM-HD3P board.

Signed-off-by: Maciej S. Szmigiero 
Reviewed-by: Guenter Roeck 
Signed-off-by: Guenter Roeck

watchdog: mpc8xxx: Remove unneeded linux/miscdevice.h include

2016-12-16T14:53:55+00:00

watchdog/mpc8xxx_wdt.c does not use any miscdevice so this patch remove
this unnecessary inclusion.

Signed-off-by: Corentin Labbe 
Reviewed-by: Guenter Roeck 
Signed-off-by: Guenter Roeck

watchdog: octeon: Remove unneeded linux/miscdevice.h include

2016-12-16T14:53:55+00:00

watchdog/octeon-wdt-main.c does not use any miscdevice so this patch
remove this unnecessary inclusion.

Signed-off-by: Corentin Labbe 
Reviewed-by: Guenter Roeck 
Signed-off-by: Guenter Roeck

watchdog: bcm2835_wdt: set WDOG_HW_RUNNING bit when appropriate

2016-12-16T14:53:55+00:00

A bootloader may start the watchdog device before handing control to
the kernel - in that case, we should tell the kernel about it so the
watchdog framework can keep it alive until userspace opens
/dev/watchdog0.

Signed-off-by: Rasmus Villemoes 
Reviewed-by: Guenter Roeck 
Acked-by: Eric Anholt 
Signed-off-by: Guenter Roeck

watchdog: loongson1: Add Loongson1 SoC watchdog driver

2016-12-16T14:53:55+00:00

Add watchdog timer specific driver for Loongson1 SoC.

Signed-off-by: Yang Ling 
Reviewed-by: Guenter Roeck 
Signed-off-by: Guenter Roeck

watchdog: cpwd: remove memory allocate failure message

2016-12-16T14:53:55+00:00

Replaced goto with a return statement and dropped the kfree()
calls because memory allocated with devm_kzalloc() is
automatically freed on driver detach

Signed-off-by: Amit Kushwaha 
Reviewed-by: Guenter Roeck 
Signed-off-by: Guenter Roeck

watchdog: da9062/61: watchdog driver

2016-12-16T14:53:55+00:00

The of_device_id match array is added to support "dlg,da9062-watchdog"
as a valid .compatible string. A MODULE_DEVICE_TABLE() macro is added.

This patch assumes the use of a DA9062 fallback compatible string for the
DTS to pick up the DA9062 device driver for use with the DA9061 watchdog
hardware

Copyright header is updated to add DA9061 in its description and the module
description macro is extended to include DA9061.

Kconfig is updated to reflect support for DA9061/62.

Reviewed-by: Guenter Roeck 
Signed-off-by: Steve Twiss 
Signed-off-by: Guenter Roeck

intel-mid_wdt: Error code is just an integer

2016-12-16T14:53:54+00:00

Error code when printed is more readable if it's represented as plain decimal
integer. Otherwise user will see something like
	intel_mid_wdt: Error stopping watchdog: 0xffffffed
which is not quite understandable ("Should I interpret it as a bitfield?").

Make it clear to use plaint integer specifier.

While here, move struct device *dev local variable definition to the top of
functions.

Signed-off-by: Andy Shevchenko 
Reviewed-by: Guenter Roeck 
Signed-off-by: Guenter Roeck

intel-mid_wdt: make sure watchdog is not running at startup

2016-12-16T14:53:54+00:00

Make sure that the watchdog is not running after loading
and before it is started by opening /dev/watchdog.

Signed-off-by: Andy Shevchenko 
Reviewed-by: Guenter Roeck 
Signed-off-by: Guenter Roeck