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rk29: cpufreq: print freq change

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黄涛
2011-07-11 20:13:46 +08:00
parent dc8a912413
commit 1f0cff26a3
1 changed files with 9 additions and 2 deletions
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11
arch/arm/mach-rk29/cpufreq.c
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@@ -16,7 +16,7 @@
#ifdef CONFIG_CPU_FREQ_DEBUG
#define DEBUG
#endif
#define pr_fmt(fmt) "cpufreq: %s: " fmt, __func__
#define pr_fmt(fmt) "%s: " fmt, __func__
#include <linux/clk.h>
#include <linux/cpufreq.h>
@@ -26,6 +26,8 @@
#include <linux/suspend.h>
#include <mach/cpufreq.h>
#define dprintk(fmt, ...) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
#define SLEEP_FREQ (800 * 1000) /* Use 800MHz when entering sleep */
static int no_cpufreq_access;
@@ -100,7 +102,9 @@ static int rk29_cpufreq_target(struct cpufreq_policy *policy, unsigned int targe
freqs.old = policy->cur;
freqs.new = freq->frequency;
freqs.cpu = 0;
pr_debug("%d r %d (%d-%d) selected %d (%duV)\n", target_freq, relation, policy->min, policy->max, freq->frequency, freq->index);
dprintk("%dHz r %d(%c) selected %dHz (%duV)\n",
target_freq, relation, relation == CPUFREQ_RELATION_L ? 'L' : 'H',
freq->frequency, freq->index);
#ifdef CONFIG_REGULATOR
if (vcore && freqs.new > freqs.old && vcore_uV != freq->index) {
@@ -115,7 +119,9 @@ static int rk29_cpufreq_target(struct cpufreq_policy *policy, unsigned int targe
#endif
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
dprintk("pre change\n");
clk_set_rate(arm_clk, freqs.new * 1000);
dprintk("post change\n");
freqs.new = clk_get_rate(arm_clk) / 1000;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
@@ -129,6 +135,7 @@ static int rk29_cpufreq_target(struct cpufreq_policy *policy, unsigned int targe
vcore_uV = freq->index;
}
#endif
dprintk("ok, got %dkHz\n", freqs.new);
err_vol:
return err;