shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 11:50:43 +09:00
Code Issues Packages Projects Releases Wiki Activity

rk30: cpufreq: update per cpu loops_per_jiffy on SMP system

Browse Source
This commit is contained in:
黄涛
2012-04-02 19:44:35 +08:00
parent 4ec8369de2
commit bdd70d29c0
1 changed files with 7 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm/mach-rk30/cpufreq.c
View File

@@ -329,6 +329,7 @@ static unsigned int cpufreq_scale_limt(unsigned int target_freq,struct cpufreq_p
int cpufreq_scale_rate_for_dvfs(struct clk * clk,unsigned long rate,dvfs_set_rate_callback set_rate)
{
unsigned int i;
int ret=-EINVAL;
struct cpufreq_freqs freqs;
@@ -341,15 +342,14 @@ int cpufreq_scale_rate_for_dvfs(struct clk * clk,unsigned long rate,dvfs_set_rat
FREQ_PRINTK_DBG("cpufreq_scale_rate_for_dvfs(%lu)\n",rate);
ret = set_rate(clk,rate);
#if 0//CONFIG_SMP
#if CONFIG_SMP
/*
* Note that loops_per_jiffy is not updated on SMP systems in
* cpufreq driver. So, update the per-CPU loops_per_jiffy value
* on frequency transition. We need to update all dependent CPUs.
*/
* Note that loops_per_jiffy is not updated on SMP systems in
* cpufreq driver. So, update the per-CPU loops_per_jiffy value
* on frequency transition. We need to update all dependent CPUs.
*/
for_each_possible_cpu(i) {
per_cpu(cpu_data, i).loops_per_jiffy =
cpufreq_scale(lpj->ref, lpj->freq, freqs.new);
per_cpu(cpu_data, i).loops_per_jiffy = loops_per_jiffy;
}
#endif