watchdog: Make stop function optional

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Not all hardware watchdogs can be stopped. The driver for
such watchdogs would typically only set the WATCHDOG_HW_RUNNING
flag in its stop function. Make the stop function optional and set
WATCHDOG_HW_RUNNING in the watchdog core if it is not provided.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

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This commit is contained in:

Guenter Roeck 2016-02-28 13:12:17 -08:00 • committed by Wim Van Sebroeck

parent ee142889e3

commit d0684c8a93

3 changed files with 18 additions and 10 deletions

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20

Documentation/watchdog/watchdog-kernel-api.txt

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2

drivers/watchdog/watchdog_core.c

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6

drivers/watchdog/watchdog_dev.c

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