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authorViresh Kumar <viresh.kumar@linaro.org>2014-01-09 20:38:43 +0530
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-01-17 02:00:44 +0100
commit652ed95d5fa6074b3c4ea245deb0691f1acb6656 (patch)
tree7b01079f3a582b0d6b08f541a8a344440bec8eae /drivers/cpufreq/cpufreq-cpu0.c
parent0ad04fb30db0341d0b1134e2f592d9146c9abb64 (diff)
downloadop-kernel-dev-652ed95d5fa6074b3c4ea245deb0691f1acb6656.zip
op-kernel-dev-652ed95d5fa6074b3c4ea245deb0691f1acb6656.tar.gz
cpufreq: introduce cpufreq_generic_get() routine
CPUFreq drivers that use clock frameworks interface,i.e. clk_get_rate(), to get CPUs clk rate, have similar sort of code used in most of them. This patch adds a generic ->get() which will do the same thing for them. All those drivers are required to now is to set .get to cpufreq_generic_get() and set their clk pointer in policy->clk during ->init(). Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no> Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq/cpufreq-cpu0.c')
-rw-r--r--drivers/cpufreq/cpufreq-cpu0.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
index 0faf756..bb7b308 100644
--- a/drivers/cpufreq/cpufreq-cpu0.c
+++ b/drivers/cpufreq/cpufreq-cpu0.c
@@ -30,11 +30,6 @@ static struct clk *cpu_clk;
static struct regulator *cpu_reg;
static struct cpufreq_frequency_table *freq_table;
-static unsigned int cpu0_get_speed(unsigned int cpu)
-{
- return clk_get_rate(cpu_clk) / 1000;
-}
-
static int cpu0_set_target(struct cpufreq_policy *policy, unsigned int index)
{
struct dev_pm_opp *opp;
@@ -100,6 +95,7 @@ static int cpu0_set_target(struct cpufreq_policy *policy, unsigned int index)
static int cpu0_cpufreq_init(struct cpufreq_policy *policy)
{
+ policy->clk = cpu_clk;
return cpufreq_generic_init(policy, freq_table, transition_latency);
}
@@ -107,7 +103,7 @@ static struct cpufreq_driver cpu0_cpufreq_driver = {
.flags = CPUFREQ_STICKY,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = cpu0_set_target,
- .get = cpu0_get_speed,
+ .get = cpufreq_generic_get,
.init = cpu0_cpufreq_init,
.exit = cpufreq_generic_exit,
.name = "generic_cpu0",
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