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Subject[PATCH V2 Resend 08/16] cpufreq: loongson2: use cpufreq_generic_get() routine
Date
We have common infrastructure available with us for getting a CPUs clk rate.
Lets use it for this driver.

We don't need a global variable to hold clock anymore.

Cc: John Crispin <blogic@openwrt.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
drivers/cpufreq/loongson2_cpufreq.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index a436092..b6581ab 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -24,8 +24,6 @@

static uint nowait;

-static struct clk *cpuclk;
-
static void (*saved_cpu_wait) (void);

static int loongson2_cpu_freq_notifier(struct notifier_block *nb,
@@ -44,11 +42,6 @@ static int loongson2_cpu_freq_notifier(struct notifier_block *nb,
return 0;
}

-static unsigned int loongson2_cpufreq_get(unsigned int cpu)
-{
- return clk_get_rate(cpuclk);
-}
-
/*
* Here we notify other drivers of the proposed change and the final change.
*/
@@ -69,13 +62,14 @@ static int loongson2_cpufreq_target(struct cpufreq_policy *policy,
set_cpus_allowed_ptr(current, &cpus_allowed);

/* setting the cpu frequency */
- clk_set_rate(cpuclk, freq);
+ clk_set_rate(policy->clk, freq);

return 0;
}

static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
{
+ static struct clk *cpuclk;
int i;
unsigned long rate;
int ret;
@@ -104,13 +98,14 @@ static int loongson2_cpufreq_cpu_init(struct cpufreq_policy *policy)
return ret;
}

+ policy->clk = cpuclk;
return cpufreq_generic_init(policy, &loongson2_clockmod_table[0], 0);
}

static int loongson2_cpufreq_exit(struct cpufreq_policy *policy)
{
cpufreq_frequency_table_put_attr(policy->cpu);
- clk_put(cpuclk);
+ clk_put(policy->clk);
return 0;
}

@@ -119,7 +114,7 @@ static struct cpufreq_driver loongson2_cpufreq_driver = {
.init = loongson2_cpufreq_cpu_init,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = loongson2_cpufreq_target,
- .get = loongson2_cpufreq_get,
+ .get = cpufreq_generic_get,
.exit = loongson2_cpufreq_exit,
.attr = cpufreq_generic_attr,
};
--
1.7.12.rc2.18.g61b472e


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