PM / Domains: Constify genpd pointer

Mark pointer to struct generic_pm_domain const (either passed in
argument or used localy in a function), whenever it is not modifed by
the function itself.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index bf3945a..0f7b1bd 100644 (file)
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -126,7 +126,7 @@ static const struct genpd_lock_ops genpd_spin_ops = {
 #define genpd_is_always_on(genpd)      (genpd->flags & GENPD_FLAG_ALWAYS_ON)
 
 static inline bool irq_safe_dev_in_no_sleep_domain(struct device *dev,
-               struct generic_pm_domain *genpd)
+               const struct generic_pm_domain *genpd)
 {
        bool ret;
 
@@ -181,12 +181,14 @@ static struct generic_pm_domain *dev_to_genpd(struct device *dev)
        return pd_to_genpd(dev->pm_domain);
 }
 
-static int genpd_stop_dev(struct generic_pm_domain *genpd, struct device *dev)
+static int genpd_stop_dev(const struct generic_pm_domain *genpd,
+                         struct device *dev)
 {
        return GENPD_DEV_CALLBACK(genpd, int, stop, dev);
 }
 
-static int genpd_start_dev(struct generic_pm_domain *genpd, struct device *dev)
+static int genpd_start_dev(const struct generic_pm_domain *genpd,
+                          struct device *dev)
 {
        return GENPD_DEV_CALLBACK(genpd, int, start, dev);
 }
@@ -738,7 +740,7 @@ static bool pm_genpd_present(const struct generic_pm_domain *genpd)
 
 #ifdef CONFIG_PM_SLEEP
 
-static bool genpd_dev_active_wakeup(struct generic_pm_domain *genpd,
+static bool genpd_dev_active_wakeup(const struct generic_pm_domain *genpd,
                                    struct device *dev)
 {
        return GENPD_DEV_CALLBACK(genpd, bool, active_wakeup, dev);
@@ -840,7 +842,8 @@ static void genpd_sync_power_on(struct generic_pm_domain *genpd, bool use_lock,
  * signal remote wakeup from the system's working state as needed by runtime PM.
  * Return 'true' in either of the above cases.
  */
-static bool resume_needed(struct device *dev, struct generic_pm_domain *genpd)
+static bool resume_needed(struct device *dev,
+                         const struct generic_pm_domain *genpd)
 {
        bool active_wakeup;
 
@@ -975,7 +978,7 @@ static int pm_genpd_resume_noirq(struct device *dev)
  */
 static int pm_genpd_freeze_noirq(struct device *dev)
 {
-       struct generic_pm_domain *genpd;
+       const struct generic_pm_domain *genpd;
        int ret = 0;
 
        dev_dbg(dev, "%s()\n", __func__);
@@ -999,7 +1002,7 @@ static int pm_genpd_freeze_noirq(struct device *dev)
  */
 static int pm_genpd_thaw_noirq(struct device *dev)
 {
-       struct generic_pm_domain *genpd;
+       const struct generic_pm_domain *genpd;
        int ret = 0;
 
        dev_dbg(dev, "%s()\n", __func__);