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rk30: cpufreq: code cleanup

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黄涛
2012-04-19 19:40:10 +08:00
parent 368fd1a457
commit ce1f7440d8
1 changed files with 5 additions and 32 deletions
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37
arch/arm/mach-rk30/cpufreq.c
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@@ -49,11 +49,10 @@ static unsigned int suspend_freq = 816 * 1000;
#define NUM_CPUS 2
static struct workqueue_struct *freq_wq;
static struct clk *cpu_clk;
static struct clk *gpu_clk;
static struct clk *ddr_clk;
static DEFINE_PER_CPU(unsigned int, target_rate);
static DEFINE_MUTEX(cpufreq_mutex);
//static struct clk *gpu_clk;
//static struct clk *ddr_clk;
//static DEFINE_PER_CPU(unsigned int, target_rate);
static DEFINE_MUTEX(cpufreq_mutex);
static int cpufreq_scale_rate_for_dvfs(struct clk * clk,unsigned long rate,dvfs_set_rate_callback set_rate);
@@ -98,7 +97,7 @@ unsigned int get_detect_temp_dly(int temp)
//FREQ_PRINTK_DBG("cpu_thermal delay(%d)\n",dly);
return dly;
}
int rk30_tsadc_get_temp(unsigned int chn);
extern int rk30_tsadc_get_temp(unsigned int chn);
#define get_cpu_thermal() rk30_tsadc_get_temp(0)
static void rk30_cpufreq_temp_limit_work_func(struct work_struct *work)
@@ -201,16 +200,6 @@ static int rk30_verify_speed(struct cpufreq_policy *policy)
return cpufreq_frequency_table_verify(policy, freq_table);
}
static unsigned long _clk_loops_rate_ref;
static void calc_lpj_ref_get(int kmz)
{
clk_set_rate(cpu_clk,kmz*1000);
calibrate_delay();
_clk_loops_rate_ref=clk_get_rate(cpu_clk);
FREQ_PRINTK_DBG("****loops_per_jiffy=%lu,rate=%lu\n",loops_per_jiffy,_clk_loops_rate_ref);
}
static int rk30_cpu_init(struct cpufreq_policy *policy)
{
if (policy->cpu == 0) {
@@ -256,16 +245,8 @@ static int rk30_cpu_init(struct cpufreq_policy *policy)
* interface to handle this scenario. Additional is_smp() check
* is to keep SMP_ON_UP build working.
*/
#if 0
policy->shared_type = CPUFREQ_SHARED_TYPE_ALL;
cpumask_copy(policy->related_cpus, cpu_possible_mask);
#else
if (is_smp())
{
//policy->shared_type = CPUFREQ_SHARED_TYPE_ANY;
cpumask_setall(policy->cpus);
}
#endif
return 0;
}
@@ -279,7 +260,7 @@ static int rk30_cpu_exit(struct cpufreq_policy *policy)
#ifdef CONFIG_RK30_CPU_FREQ_LIMIT_BY_TEMP
cpufreq_unregister_notifier(&notifier_policy_block, CPUFREQ_POLICY_NOTIFIER);
if (freq_wq)
cancel_delayed_work(&rk30_cpufreq_temp_limit_work);
cancel_delayed_work(&rk30_cpufreq_temp_limit_work);
#endif
if (freq_wq) {
flush_workqueue(freq_wq);
@@ -295,14 +276,6 @@ static struct freq_attr *rk30_cpufreq_attr[] = {
};
/**************************target freq******************************/
int rk30_board_update_cpufreq_table(struct cpufreq_frequency_table *table)
{
mutex_lock(&cpufreq_mutex);
freq_table = table;
mutex_unlock(&cpufreq_mutex);
return 0;
}
static unsigned int cpufreq_scale_limt(unsigned int target_freq,struct cpufreq_policy *policy)
{
/*