Commit ff8c288d authored Mar 10, 2006 by Eric Piel Committed by Dominik Brodowski Mar 26, 2006

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

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>

parent a159b827

drivers/cpufreq/cpufreq_ondemand.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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;