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| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-26 13:11:03 +0400 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2006-03-26 13:11:03 +0400 |
| commit | 7c9d8c0e84d395a01289ebd1597758939a875a86 (patch) | |
| tree | 7cdb1540d4e791d6e2e0a63c9a62ecf8ceccd0f9 /drivers/cpufreq | |
| parent | 9cbad61b41f0b6f0a4c600fe96d8292ffd592b50 (diff) | |
| download | linux-7c9d8c0e84d395a01289ebd1597758939a875a86.tar.xz | |
[PATCH] cpufreq_ondemand: add range check
Assert that cpufreq_target is, at least, called with the minimum frequency
allowed by this policy, not something lower. It triggered problems on ARM.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index cd846f57147e..956d121cb161 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -351,6 +351,9 @@ static void dbs_check_cpu(int cpu) freq_next = (freq_next * policy->cur) / (dbs_tuners_ins.up_threshold - 10); + if (freq_next < policy->min) + freq_next = policy->min; + if (freq_next <= ((policy->cur * 95) / 100)) __cpufreq_driver_target(policy, freq_next, CPUFREQ_RELATION_L); } |