[PATCH 2.5] cpufreq: minor cleanups

Dominik Brodowski (linux@brodo.de)
Sat, 21 Dec 2002 21:25:09 +0100


Get rid of CPUFREQ_ALL_CPUS codepaths not used anymore.

Dominik

diff -ruN linux-original/kernel/cpufreq.c linux/kernel/cpufreq.c
--- linux-original/kernel/cpufreq.c 2002-12-21 21:21:57.000000000 +0100
+++ linux/kernel/cpufreq.c 2002-12-21 21:21:46.000000000 +0100
@@ -365,7 +365,7 @@
{
struct cpufreq_policy policy;
down(&cpufreq_driver_sem);
- if (!cpufreq_driver || !cpu_max_freq) {
+ if (!cpufreq_driver || !cpu_max_freq || (cpu > NR_CPUS)) {
up(&cpufreq_driver_sem);
return -EINVAL;
}
@@ -377,7 +377,20 @@

up(&cpufreq_driver_sem);

- return cpufreq_set_policy(&policy);
+ if (policy.cpu == CPUFREQ_ALL_CPUS)
+ {
+ unsigned int i;
+ unsigned int ret = 0;
+ for (i=0; i<NR_CPUS; i++)
+ {
+ policy.cpu = i;
+ if (cpu_online(i))
+ ret |= cpufreq_set_policy(&policy);
+ }
+ return ret;
+ }
+ else
+ return cpufreq_set_policy(&policy);
}
EXPORT_SYMBOL_GPL(cpufreq_set);

@@ -842,7 +855,6 @@
*/
int cpufreq_set_policy(struct cpufreq_policy *policy)
{
- unsigned int i;
int ret;

down(&cpufreq_driver_sem);
@@ -889,24 +901,12 @@

up(&cpufreq_notifier_sem);

- if (policy->cpu == CPUFREQ_ALL_CPUS) {
- for (i=0;i<NR_CPUS;i++) {
- cpufreq_driver->policy[i].min = policy->min;
- cpufreq_driver->policy[i].max = policy->max;
- cpufreq_driver->policy[i].policy = policy->policy;
- }
- } else {
- cpufreq_driver->policy[policy->cpu].min = policy->min;
- cpufreq_driver->policy[policy->cpu].max = policy->max;
- cpufreq_driver->policy[policy->cpu].policy = policy->policy;
- }
+ cpufreq_driver->policy[policy->cpu].min = policy->min;
+ cpufreq_driver->policy[policy->cpu].max = policy->max;
+ cpufreq_driver->policy[policy->cpu].policy = policy->policy;

#ifdef CONFIG_CPU_FREQ_24_API
- if (policy->cpu == CPUFREQ_ALL_CPUS) {
- for (i=0;i<NR_CPUS;i++)
- cpu_cur_freq[i] = policy->max;
- } else
- cpu_cur_freq[policy->cpu] = policy->max;
+ cpu_cur_freq[policy->cpu] = policy->max;
#endif

ret = cpufreq_driver->setpolicy(policy);
@@ -920,15 +920,6 @@


/*********************************************************************
- * DYNAMIC CPUFREQ SWITCHING *
- *********************************************************************/
-#ifdef CONFIG_CPU_FREQ_DYNAMIC
-/* TBD */
-#endif /* CONFIG_CPU_FREQ_DYNAMIC */
-
-
-
-/*********************************************************************
* EXTERNALLY AFFECTING FREQUENCY CHANGES *
*********************************************************************/

@@ -973,12 +964,7 @@
adjust_jiffies(CPUFREQ_POSTCHANGE, freqs);
notifier_call_chain(&cpufreq_transition_notifier_list, CPUFREQ_POSTCHANGE, freqs);
#ifdef CONFIG_CPU_FREQ_24_API
- if (freqs->cpu == CPUFREQ_ALL_CPUS) {
- int i;
- for (i=0;i<NR_CPUS;i++)
- cpu_cur_freq[i] = freqs->new;
- } else
- cpu_cur_freq[freqs->cpu] = freqs->new;
+ cpu_cur_freq[freqs->cpu] = freqs->new;
#endif
break;
}

-
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