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| author |   Eric Piel <Eric.Piel@tremplin-utc.net> | 2006-03-10 11:34:16 +0200 |
|---|---|---|
| committer |   Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-26 10:43:06 +0200 |
| commit | ff8c288d7d1a368b663058cdee1ea0adcdef2fa2 (patch) | |
| tree | 04de5f31a6773e1663a521c1217cb494c18dfa0e /drivers/cpufreq | |
| parent | [PATCH] cpufreq_conservative: alternative initialise approach (diff) | |
| download | linux-dev-ff8c288d7d1a368b663058cdee1ea0adcdef2fa2.tar.xz linux-dev-ff8c288d7d1a368b663058cdee1ea0adcdef2fa2.zip | |
[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>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 69aa1db8336c..6430489db6f4 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -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; |