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[CPUFREQ][1/6] cpufreq: Add cpu number parameter to __cpufreq_driver_getavg()

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Add a cpu parameter to __cpufreq_driver_getavg(). This is needed for software
cpufreq coordination where policy->cpu may not be same as the CPU on which we
want to getavg frequency.

A follow-on patch will use this parameter to getavg freq from all cpus
in policy->cpus.

Change since last patch. Fix the offline/online and suspend/resume
oops reported by Youquan Song <youquan.song@intel.com>

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
venkatesh.pallipadi@intel.com 2008-08-04 11:59:07 -07:00 • committed by Dave Jones
parent 8217e4f4c9
commit bf0b90e357
4 changed files with 12 additions and 8 deletions
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7
include/linux/cpufreq.h
View file

@ -187,7 +187,8 @@ extern int __cpufreq_driver_target(struct cpufreq_policy *policy,
unsigned int relation);
extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy);
extern int __cpufreq_driver_getavg(struct cpufreq_policy *policy,
unsigned int cpu);
int cpufreq_register_governor(struct cpufreq_governor *governor);
void cpufreq_unregister_governor(struct cpufreq_governor *governor);
@ -226,7 +227,9 @@ struct cpufreq_driver {
unsigned int (*get) (unsigned int cpu);
/* optional */
unsigned int (*getavg) (unsigned int cpu);
unsigned int (*getavg) (struct cpufreq_policy *policy,
unsigned int cpu);
int (*exit) (struct cpufreq_policy *policy);
int (*suspend) (struct cpufreq_policy *policy, pm_message_t pmsg);
int (*resume) (struct cpufreq_policy *policy);