watchdog: sch56xx: Remove unnecessary checks for register changes
Since the watchdog core keeps track of the watchdog's active state, start/stop will never get called when no changes are necessary. So we can remove the check for the output_enable register changing before writing it (which is an expensive operation). Signed-off-by: NHans de Goede <hdegoede@redhat.com> Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
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