diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2006-08-30 23:30:38 +0100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2006-08-30 23:30:38 +0100 |
| commit | 0a7d5f8ce960e74fa22986bda4af488539796e49 (patch) | |
| tree | e29ad17808a5c3410518e22dae8dfe94801b59f3 /drivers/cpufreq/cpufreq_userspace.c | |
| parent | 0165508c80a2b5d5268d9c5dfa9b30c534a33693 (diff) | |
| parent | dc709bd190c130b299ac19d596594256265c042a (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/cpufreq/cpufreq_userspace.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_userspace.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c index 44ae5e5b94c..a06c204589c 100644 --- a/drivers/cpufreq/cpufreq_userspace.c +++ b/drivers/cpufreq/cpufreq_userspace.c @@ -18,6 +18,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/cpufreq.h> +#include <linux/cpu.h> #include <linux/types.h> #include <linux/fs.h> #include <linux/sysfs.h> @@ -70,6 +71,7 @@ static int cpufreq_set(unsigned int freq, struct cpufreq_policy *policy) dprintk("cpufreq_set for cpu %u, freq %u kHz\n", policy->cpu, freq); + lock_cpu_hotplug(); mutex_lock(&userspace_mutex); if (!cpu_is_managed[policy->cpu]) goto err; @@ -92,6 +94,7 @@ static int cpufreq_set(unsigned int freq, struct cpufreq_policy *policy) err: mutex_unlock(&userspace_mutex); + unlock_cpu_hotplug(); return ret; } |