From: Hans de Goede <hdegoede@redhat.com>
Date: Tue, 22 May 2012 09:40:25 +0000 (+0200)
Subject: watchdog: sch56xx: Remove unnecessary checks for register changes
X-Git-Tag: v3.5-rc1~39^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85a2e40cb5053574cd3b1f33c00194309ce3704c;p=pandora-kernel.git

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: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
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