lkml.org 
[lkml]   [2013]   [Nov]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [RFC PATCH] cpufreq: cpufreq-cpu0: do not allow transitions with regulators suspended
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:


\
 
 \ /
  Last update: 2013-11-14 02:41    [W:2.153 / U:0.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site