[PATCH V2 2/7] PM / OPP: Mark cpumask as const in dev_pm_opp_set_sharing_cpus()

Viresh Kumar
2016-04-27T03:22:22Z

dev_pm_opp_set_sharing_cpus() isn't supposed to update the cpumask
passed as its parameter, and so it should always have been marked
'const'.

Do it now.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
---
drivers/base/power/opp/cpu.c | 3 ++-
include/linux/pm_opp.h | 4 ++--
2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/base/power/opp/cpu.c b/drivers/base/power/opp/cpu.c
index 55cbf9bd8707..5469e7730ff2 100644
--- a/drivers/base/power/opp/cpu.c
+++ b/drivers/base/power/opp/cpu.c
@@ -287,7 +287,8 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_of_get_sharing_cpus);
* that this function is *NOT* called under RCU protection or in contexts where
* mutex cannot be locked.
*/
-int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
+int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev,
+ const cpumask_var_t cpumask)
{
struct opp_device *opp_dev;
struct opp_table *opp_table;
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index a2df8f6fcc25..0c08ed3836b1 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -65,7 +65,7 @@ void dev_pm_opp_put_prop_name(struct device *dev);
int dev_pm_opp_set_regulator(struct device *dev, const char *name);
void dev_pm_opp_put_regulator(struct device *dev);
int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq);
-int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask);
+int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const cpumask_var_t cpumask);
#else
static inline unsigned long dev_pm_opp_get_voltage(struct dev_pm_opp *opp)
{
@@ -179,7 +179,7 @@ static inline int dev_pm_opp_set_rate(struct device *dev, unsigned long target_f
return -ENOTSUPP;
}

-static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask)
+static inline int dev_pm_opp_set_sharing_cpus(struct device *cpu_dev, const cpumask_var_t cpumask)
{
return -ENOTSUPP;
}
--
2.7.1.410.g6faf27b