watchdog: core: add option to avoid early handling of watchdog

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On some systems its desirable to have watchdog reboot the system
when it does not come up fast enough. This adds a kernel parameter
to disable the auto-update of watchdog before userspace takes over
and a kernel option to set the default. The info messages were
added to shorten error searching on misconfigured systems.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

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Sebastian Reichel 2017-05-12 14:05:32 +02:00 • committed by Wim Van Sebroeck

parent 166fbcf88f

commit 2501b01531

2 changed files with 27 additions and 3 deletions

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11

drivers/watchdog/Kconfig

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19

drivers/watchdog/watchdog_dev.c

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