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-rw-r--r--drivers/base/power/domain.c7
-rw-r--r--include/linux/pm_domain.h4
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 1bfb54ce60e8..5d7b7548873a 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -12,6 +12,7 @@
#include <linux/pm_runtime.h>
#include <linux/pm_domain.h>
#include <linux/pm_qos.h>
+#include <linux/pm_clock.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <linux/sched.h>
@@ -1948,6 +1949,12 @@ void pm_genpd_init(struct generic_pm_domain *genpd,
genpd->domain.ops.complete = pm_genpd_complete;
genpd->dev_ops.save_state = pm_genpd_default_save_state;
genpd->dev_ops.restore_state = pm_genpd_default_restore_state;
+
+ if (genpd->flags & GENPD_FLAG_PM_CLK) {
+ genpd->dev_ops.stop = pm_clk_suspend;
+ genpd->dev_ops.start = pm_clk_resume;
+ }
+
mutex_lock(&gpd_list_lock);
list_add(&genpd->gpd_list_node, &gpd_list);
mutex_unlock(&gpd_list_lock);
diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h
index 9d254e25f866..1dd6c7f64166 100644
--- a/include/linux/pm_domain.h
+++ b/include/linux/pm_domain.h
@@ -17,6 +17,9 @@
#include <linux/notifier.h>
#include <linux/cpuidle.h>
+/* Defines used for the flags field in the struct generic_pm_domain */
+#define GENPD_FLAG_PM_CLK (1U << 0) /* PM domain uses PM clk */
+
enum gpd_status {
GPD_STATE_ACTIVE = 0, /* PM domain is active */
GPD_STATE_WAIT_MASTER, /* PM domain's master is being waited for */
@@ -76,6 +79,7 @@ struct generic_pm_domain {
struct device *dev);
void (*detach_dev)(struct generic_pm_domain *domain,
struct device *dev);
+ unsigned int flags; /* Bit field of configs for genpd */
};
static inline struct generic_pm_domain *pd_to_genpd(struct dev_pm_domain *pd)