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-rw-r--r--arch/sh/kernel/cpufreq.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c
index 8203865..66dbb74 100644
--- a/arch/sh/kernel/cpufreq.c
+++ b/arch/sh/kernel/cpufreq.c
@@ -14,6 +14,8 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
+#define pr_fmt(fmt) "cpufreq: " fmt
+
#include <linux/types.h>
#include <linux/cpufreq.h>
#include <linux/kernel.h>
@@ -21,6 +23,7 @@
#include <linux/init.h>
#include <linux/err.h>
#include <linux/cpumask.h>
+#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/sched.h> /* set_cpus_allowed() */
#include <linux/clk.h>
@@ -45,6 +48,7 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
cpumask_t cpus_allowed;
struct cpufreq_freqs freqs;
+ struct device *dev;
long freq;
if (!cpu_online(cpu))
@@ -55,13 +59,15 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
BUG_ON(smp_processor_id() != cpu);
+ dev = get_cpu_device(cpu);
+
/* Convert target_freq from kHz to Hz */
freq = clk_round_rate(cpuclk, target_freq * 1000);
if (freq < (policy->min * 1000) || freq > (policy->max * 1000))
return -EINVAL;
- pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
+ dev_dbg(dev, "requested frequency %u Hz\n", target_freq * 1000);
freqs.cpu = cpu;
freqs.old = sh_cpufreq_get(cpu);
@@ -73,7 +79,7 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
clk_set_rate(cpuclk, freq);
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
- pr_debug("cpufreq: set frequency %lu Hz\n", freq);
+ dev_dbg(dev, "set frequency %lu Hz\n", freq);
return 0;
}
@@ -82,13 +88,16 @@ static int sh_cpufreq_cpu_init(struct cpufreq_policy *policy)
{
unsigned int cpu = policy->cpu;
struct clk *cpuclk = &per_cpu(sh_cpuclk, cpu);
+ struct device *dev;
if (!cpu_online(cpu))
return -ENODEV;
- cpuclk = clk_get(NULL, "cpu_clk");
+ dev = get_cpu_device(cpu);
+
+ cpuclk = clk_get(dev, "cpu_clk");
if (IS_ERR(cpuclk)) {
- printk(KERN_ERR "cpufreq: couldn't get CPU#%d clk\n", cpu);
+ dev_err(dev, "couldn't get CPU clk\n");
return PTR_ERR(cpuclk);
}
@@ -106,16 +115,14 @@ static int sh_cpufreq_cpu_init(struct cpufreq_policy *policy)
* properly to support scaling.
*/
if (unlikely(policy->min == policy->max)) {
- printk(KERN_ERR "cpufreq: clock framework rate rounding "
- "not supported on CPU#%d.\n", cpu);
-
+ dev_err(dev, "rate rounding not supported on this CPU.\n");
clk_put(cpuclk);
return -EINVAL;
}
- printk(KERN_INFO "cpufreq: CPU#%d Frequencies - Minimum %u.%03u MHz, "
+ dev_info(dev, "CPU Frequencies - Minimum %u.%03u MHz, "
"Maximum %u.%03u MHz.\n",
- cpu, policy->min / 1000, policy->min % 1000,
+ policy->min / 1000, policy->min % 1000,
policy->max / 1000, policy->max % 1000);
return 0;
@@ -147,7 +154,7 @@ static struct cpufreq_driver sh_cpufreq_driver = {
static int __init sh_cpufreq_module_init(void)
{
- printk(KERN_INFO "cpufreq: SuperH CPU frequency driver.\n");
+ pr_notice("SuperH CPU frequency driver.\n");
return cpufreq_register_driver(&sh_cpufreq_driver);
}
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