[PATCH] watchdog: bcm2835_wdt: set WDOG_HW_RUNNING bit when appropriate

[Eric Anholt]

Rasmus Villemoes <rasmus.villemoes at prevas.dk> writes:

> 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.

I don't believe our current bootloaders (the closed firmware or u-boot)
set up the watchdog, but this seems reasonable since they might want to
later.

Acked-by: Eric Anholt <eric at anholt.net>
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