arm registered cpufreq transition notifier to recalculate it.
Signed-off-by: Richard Zhao richard.zhao@linaro.org --- drivers/cpufreq/omap-cpufreq.c | 36 ------------------------------------ 1 files changed, 0 insertions(+), 36 deletions(-)
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c index 5d04c57..17da4c4 100644 --- a/drivers/cpufreq/omap-cpufreq.c +++ b/drivers/cpufreq/omap-cpufreq.c @@ -37,16 +37,6 @@
#include <mach/hardware.h>
-#ifdef CONFIG_SMP -struct lpj_info { - unsigned long ref; - unsigned int freq; -}; - -static DEFINE_PER_CPU(struct lpj_info, lpj_ref); -static struct lpj_info global_lpj_ref; -#endif - static struct cpufreq_frequency_table *freq_table; static atomic_t freq_table_users = ATOMIC_INIT(0); static struct clk *mpu_clk; @@ -118,32 +108,6 @@ static int omap_target(struct cpufreq_policy *policy, ret = clk_set_rate(mpu_clk, freqs.new * 1000); freqs.new = omap_getspeed(policy->cpu);
-#ifdef 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. - */ - for_each_cpu(i, policy->cpus) { - struct lpj_info *lpj = &per_cpu(lpj_ref, i); - if (!lpj->freq) { - lpj->ref = per_cpu(cpu_data, i).loops_per_jiffy; - lpj->freq = freqs.old; - } - - per_cpu(cpu_data, i).loops_per_jiffy = - cpufreq_scale(lpj->ref, lpj->freq, freqs.new); - } - - /* And don't forget to adjust the global one */ - if (!global_lpj_ref.freq) { - global_lpj_ref.ref = loops_per_jiffy; - global_lpj_ref.freq = freqs.old; - } - loops_per_jiffy = cpufreq_scale(global_lpj_ref.ref, global_lpj_ref.freq, - freqs.new); -#endif - /* notifiers */ for_each_cpu(i, policy->cpus) { freqs.cpu = i;