diff options
| author | Amerigo Wang <amwang@redhat.com> | 2010-03-04 03:23:36 -0500 |
|---|---|---|
| committer | Dave Jones <davej@redhat.com> | 2010-08-03 13:47:04 -0400 |
| commit | 226528c6100e4191842e61997110c8ace40605f7 (patch) | |
| tree | a731b7e1755db2eeb4322e23ef7f9c8cff21dda6 | |
| parent | 00e299fff3cc2745847b03eebcc9e9362db9366d (diff) | |
| download | lwn-226528c6100e4191842e61997110c8ace40605f7.tar.gz lwn-226528c6100e4191842e61997110c8ace40605f7.zip | |
[CPUFREQ] unexport (un)lock_policy_rwsem* functions
lock_policy_rwsem_* and unlock_policy_rwsem_* functions are scheduled
to be unexported when 2.6.33. Now there are no other callers of them
out of cpufreq.c, unexport them and make them static.
Signed-off-by: WANG Cong <amwang@redhat.com>
Cc: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 10 | ||||
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 10 | ||||
| -rw-r--r-- | include/linux/cpufreq.h | 5 |
3 files changed, 3 insertions, 22 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 1571c0c83dba..182bbe49429b 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -377,16 +377,6 @@ Who: Eric Paris <eparis@redhat.com> ---------------------------- -What: lock_policy_rwsem_* and unlock_policy_rwsem_* will not be - exported interface anymore. -When: 2.6.33 -Why: cpu_policy_rwsem has a new cleaner definition making it local to - cpufreq core and contained inside cpufreq.c. Other dependent - drivers should not use it in order to safely avoid lockdep issues. -Who: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> - ----------------------------- - What: sound-slot/service-* module aliases and related clutters in sound/sound_core.c When: August 2010 diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 938b74ea9ffb..40877d219081 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -68,7 +68,7 @@ static DEFINE_PER_CPU(int, cpufreq_policy_cpu); static DEFINE_PER_CPU(struct rw_semaphore, cpu_policy_rwsem); #define lock_policy_rwsem(mode, cpu) \ -int lock_policy_rwsem_##mode \ +static int lock_policy_rwsem_##mode \ (int cpu) \ { \ int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); \ @@ -83,26 +83,22 @@ int lock_policy_rwsem_##mode \ } lock_policy_rwsem(read, cpu); -EXPORT_SYMBOL_GPL(lock_policy_rwsem_read); lock_policy_rwsem(write, cpu); -EXPORT_SYMBOL_GPL(lock_policy_rwsem_write); -void unlock_policy_rwsem_read(int cpu) +static void unlock_policy_rwsem_read(int cpu) { int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); BUG_ON(policy_cpu == -1); up_read(&per_cpu(cpu_policy_rwsem, policy_cpu)); } -EXPORT_SYMBOL_GPL(unlock_policy_rwsem_read); -void unlock_policy_rwsem_write(int cpu) +static void unlock_policy_rwsem_write(int cpu) { int policy_cpu = per_cpu(cpufreq_policy_cpu, cpu); BUG_ON(policy_cpu == -1); up_write(&per_cpu(cpu_policy_rwsem, policy_cpu)); } -EXPORT_SYMBOL_GPL(unlock_policy_rwsem_write); /* internal prototypes */ diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 9f15150ce8d6..c3e9de8321c6 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -196,11 +196,6 @@ extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy, int cpufreq_register_governor(struct cpufreq_governor *governor); void cpufreq_unregister_governor(struct cpufreq_governor *governor); -int lock_policy_rwsem_read(int cpu); -int lock_policy_rwsem_write(int cpu); -void unlock_policy_rwsem_read(int cpu); -void unlock_policy_rwsem_write(int cpu); - /********************************************************************* * CPUFREQ DRIVER INTERFACE * |