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authorBhumika Goyal <bhumirks@gmail.com>2017-10-19 12:59:14 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-11-08 23:22:19 +0100
commitcd6ce860eb1920568361cf270fe4f89674cf411b (patch)
tree6f4808e545060ad762803204b7e1cc96733f0fda
parentd9278077385fd9207c00104fe6797283a099b061 (diff)
downloadlinux-cd6ce860eb1920568361cf270fe4f89674cf411b.tar.gz
cpufreq: arm_big_little: make function arguments and structure pointer const
Make the arguments of functions bL_cpufreq_{register/unregister} as const as the ops pointer does not modify the fields of the cpufreq_arm_bL_ops structure it points to. The pointer arm_bL_ops is also getting initialized with ops but the pointer does not modify the fields. So, make the function argument and the structure pointer const. Add const to function prototypes too. Signed-off-by: Bhumika Goyal <bhumirks@gmail.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/cpufreq/arm_big_little.c6
-rw-r--r--drivers/cpufreq/arm_big_little.h4
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c
index 0c41ab3b16eb..65ec5f01aa8d 100644
--- a/drivers/cpufreq/arm_big_little.c
+++ b/drivers/cpufreq/arm_big_little.c
@@ -57,7 +57,7 @@ static bool bL_switching_enabled;
#define VIRT_FREQ(cluster, freq) ((cluster == A7_CLUSTER) ? freq >> 1 : freq)
static struct thermal_cooling_device *cdev[MAX_CLUSTERS];
-static struct cpufreq_arm_bL_ops *arm_bL_ops;
+static const struct cpufreq_arm_bL_ops *arm_bL_ops;
static struct clk *clk[MAX_CLUSTERS];
static struct cpufreq_frequency_table *freq_table[MAX_CLUSTERS + 1];
static atomic_t cluster_usage[MAX_CLUSTERS + 1];
@@ -617,7 +617,7 @@ static int __bLs_register_notifier(void) { return 0; }
static int __bLs_unregister_notifier(void) { return 0; }
#endif
-int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops)
+int bL_cpufreq_register(const struct cpufreq_arm_bL_ops *ops)
{
int ret, i;
@@ -661,7 +661,7 @@ int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops)
}
EXPORT_SYMBOL_GPL(bL_cpufreq_register);
-void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops)
+void bL_cpufreq_unregister(const struct cpufreq_arm_bL_ops *ops)
{
if (arm_bL_ops != ops) {
pr_err("%s: Registered with: %s, can't unregister, exiting\n",
diff --git a/drivers/cpufreq/arm_big_little.h b/drivers/cpufreq/arm_big_little.h
index 184d7c3a112a..88a176e466c8 100644
--- a/drivers/cpufreq/arm_big_little.h
+++ b/drivers/cpufreq/arm_big_little.h
@@ -37,7 +37,7 @@ struct cpufreq_arm_bL_ops {
void (*free_opp_table)(const struct cpumask *cpumask);
};
-int bL_cpufreq_register(struct cpufreq_arm_bL_ops *ops);
-void bL_cpufreq_unregister(struct cpufreq_arm_bL_ops *ops);
+int bL_cpufreq_register(const struct cpufreq_arm_bL_ops *ops);
+void bL_cpufreq_unregister(const struct cpufreq_arm_bL_ops *ops);
#endif /* CPUFREQ_ARM_BIG_LITTLE_H */