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path: root/drivers/cpufreq/s3c24xx-cpufreq.c
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Diffstat (limited to 'drivers/cpufreq/s3c24xx-cpufreq.c')
-rw-r--r--drivers/cpufreq/s3c24xx-cpufreq.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c
index 48508825335..227ebf7c1ee 100644
--- a/drivers/cpufreq/s3c24xx-cpufreq.c
+++ b/drivers/cpufreq/s3c24xx-cpufreq.c
@@ -141,6 +141,7 @@ static int s3c_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg)
static void s3c_cpufreq_setfvco(struct s3c_cpufreq_config *cfg)
{
+ cfg->mpll = _clk_mpll;
(cfg->info->set_fvco)(cfg);
}
@@ -217,7 +218,7 @@ static int s3c_cpufreq_settarget(struct cpufreq_policy *policy,
s3c_cpufreq_updateclk(clk_pclk, cpu_new.freq.pclk);
/* start the frequency change */
- cpufreq_notify_transition(policy, &freqs.freqs, CPUFREQ_PRECHANGE);
+ cpufreq_freq_transition_begin(policy, &freqs.freqs);
/* If hclk is staying the same, then we do not need to
* re-write the IO or the refresh timings whilst we are changing
@@ -261,7 +262,7 @@ static int s3c_cpufreq_settarget(struct cpufreq_policy *policy,
local_irq_restore(flags);
/* notify everyone we've done this */
- cpufreq_notify_transition(policy, &freqs.freqs, CPUFREQ_POSTCHANGE);
+ cpufreq_freq_transition_end(policy, &freqs.freqs, 0);
s3c_freq_dbg("%s: finished\n", __func__);
return 0;
@@ -355,11 +356,6 @@ static int s3c_cpufreq_target(struct cpufreq_policy *policy,
return -EINVAL;
}
-static unsigned int s3c_cpufreq_get(unsigned int cpu)
-{
- return clk_get_rate(clk_arm) / 1000;
-}
-
struct clk *s3c_cpufreq_clk_get(struct device *dev, const char *name)
{
struct clk *clk;
@@ -373,6 +369,7 @@ struct clk *s3c_cpufreq_clk_get(struct device *dev, const char *name)
static int s3c_cpufreq_init(struct cpufreq_policy *policy)
{
+ policy->clk = clk_arm;
return cpufreq_generic_init(policy, ftab, cpu_cur.info->latency);
}
@@ -408,7 +405,7 @@ static int s3c_cpufreq_suspend(struct cpufreq_policy *policy)
{
suspend_pll.frequency = clk_get_rate(_clk_mpll);
suspend_pll.driver_data = __raw_readl(S3C2410_MPLLCON);
- suspend_freq = s3c_cpufreq_get(0) * 1000;
+ suspend_freq = clk_get_rate(clk_arm);
return 0;
}
@@ -448,9 +445,9 @@ static int s3c_cpufreq_resume(struct cpufreq_policy *policy)
#endif
static struct cpufreq_driver s3c24xx_driver = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.target = s3c_cpufreq_target,
- .get = s3c_cpufreq_get,
+ .get = cpufreq_generic_get,
.init = s3c_cpufreq_init,
.suspend = s3c_cpufreq_suspend,
.resume = s3c_cpufreq_resume,
@@ -509,7 +506,7 @@ int __init s3c_cpufreq_setboard(struct s3c_cpufreq_board *board)
return 0;
}
-int __init s3c_cpufreq_auto_io(void)
+static int __init s3c_cpufreq_auto_io(void)
{
int ret;
@@ -590,7 +587,7 @@ static int s3c_cpufreq_build_freq(void)
size = cpu_cur.info->calc_freqtable(&cpu_cur, NULL, 0);
size++;
- ftab = kmalloc(sizeof(*ftab) * size, GFP_KERNEL);
+ ftab = kzalloc(sizeof(*ftab) * size, GFP_KERNEL);
if (!ftab) {
printk(KERN_ERR "%s: no memory for tables\n", __func__);
return -ENOMEM;
@@ -668,7 +665,7 @@ int __init s3c_plltab_register(struct cpufreq_frequency_table *plls,
size = sizeof(*vals) * (plls_no + 1);
- vals = kmalloc(size, GFP_KERNEL);
+ vals = kzalloc(size, GFP_KERNEL);
if (vals) {
memcpy(vals, plls, size);
pll_reg = vals;