watchdog: s3c2410: add restart handler
On a lot of Samsung systems the watchdog is responsible for restarting the system and until now this code was contained in plat-samsung/watchdog-reset.c. With the introduction of the restart handlers, this code can now move into driver itself, removing the need for arch-specific code. Tested on a S3C2442 based GTA02 Signed-off-by: NHeiko Stuebner <heiko@sntech.de> Signed-off-by: NGuenter Roeck <linux@roeck-us.net> Signed-off-by: NWim Van Sebroeck <wim@iguana.be> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
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