From mboxrd@z Thu Jan  1 00:00:00 1970
From: ben@trinity.fluff.org (Ben Dooks)
Date: Tue, 26 Nov 2013 00:08:31 +0000
Subject: [PATCH] watchdog: s3c2410_wdt: Only register for cpufreq on
 CPU_FREQ_S3C24XX
In-Reply-To: <1385420137-32725-1-git-send-email-dianders@chromium.org>
References: <1385420137-32725-1-git-send-email-dianders@chromium.org>
Message-ID: <20131126000831.GW12108@trinity.fluff.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Mon, Nov 25, 2013 at 02:55:37PM -0800, Doug Anderson wrote:
> On modern SoCs the watchdog timer is parented on a clock that doesn't
> change every time we have a cpufreq change.  That means we don't need
> to constantly adjust the watchdog timer, so avoid registering for and
> dealing with cpufreq transitions unless we've actually got
> CPU_FREQ_S3C24XX defined.

The S3C2410 to at-least S3C2440 there is only one PLL/clock-divider
set so changing any part of that can change frequency supplied to
the watchdog.