Re: [RFC PATCH] cpufreq: cpufreq-cpu0: do not allow transitions withregulators suspended
From: viresh kumar
Date: Wed Nov 13 2013 - 20:25:26 EST
On Wednesday 13 November 2013 08:46 PM, Nishanth Menon wrote:
> arrgh, my bad.. Apologies for the bad one.. I missed it :( Does the following
> look equivalent?
yes.
> With this, I now see:
> [ 43.212714] cpufreq: cpufreq_add_policy_cpu: Failed to stop governor
> ^^^ ??
Ahh, I missed this part. I thought it will fail at some other place where there
is no error checking :), but that's not true.
Following should fix it for you and looks to be the right way as well.
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index dc67fa0..30b09d3 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1530,6 +1530,14 @@ static void cpufreq_bp_resume(void)
}
}
+ if (has_target()) {
+ if ((ret = __cpufreq_governor(policy, CPUFREQ_GOV_START)) ||
+ (ret = __cpufreq_governor(policy, CPUFREQ_GOV_LIMITS))) {
+ pr_err("%s: Failed to start governor\n", __func__);
+ goto fail;
+ }
+ }
+
schedule_work(&policy->update);
fail:
--
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