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[PATCH] cpufreq_ondemand: Warn if it cannot run due to too long transition latency

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Display a warning if the ondemand governor can not be selected due to a
transition latency of the cpufreq driver which is too long.

Signed-off-by: Eric Piel <eric.piel@tremplin-utc.net>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Eric Piel 2006-03-10 11:34:16 +02:00 committed by Dominik Brodowski
parent a159b82770
commit ff8c288d7d
1 changed files with 4 additions and 1 deletions
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5
drivers/cpufreq/cpufreq_ondemand.c
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@ -395,8 +395,11 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
return -EINVAL;
if (policy->cpuinfo.transition_latency >
(TRANSITION_LATENCY_LIMIT * 1000))
(TRANSITION_LATENCY_LIMIT * 1000)) {
printk(KERN_WARNING "ondemand governor failed to load "
"due to too long transition latency\n");
return -EINVAL;
}
if (this_dbs_info->enable) /* Already enabled */
break;