Messages in this thread | | | Date | Tue, 26 Nov 2013 00:08:31 +0000 | From | Ben Dooks <> | Subject | Re: [PATCH] watchdog: s3c2410_wdt: Only register for cpufreq on CPU_FREQ_S3C24XX |
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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.
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