Re: [PATCH 03/13] cpufreq: davinci: call CPUFREQ_POSTCHANGE notfierin error cases
From: Sekhar Nori
Date: Wed Jun 19 2013 - 04:58:49 EST
On 6/19/2013 2:22 PM, Viresh Kumar wrote:
> PRECHANGE and POSTCHANGE notifiers must be called in groups, i.e either both
> should be called or both shouldn't be.
> In case we have started PRECHANGE notifier and found an error, we must call
> POSTCHANGE notifier with freqs.new = freqs.old to guarantee that sequence of
> calling notifiers is complete.
> Davinci driver was taking care of it but frequency isn't restored to freqs.old.
> This patch fixes it.
> Cc: Sekhar Nori <nsekhar@xxxxxx>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Looks good to me.
Acked-by: Sekhar Nori <nsekhar@xxxxxx>
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