summaryrefslogtreecommitdiff
path: root/drivers/base/power/clock_ops.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/base/power/clock_ops.c')
-rw-r--r--drivers/base/power/clock_ops.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c
index 7fdd0172605a..8abea669c82c 100644
--- a/drivers/base/power/clock_ops.c
+++ b/drivers/base/power/clock_ops.c
@@ -15,6 +15,7 @@
#include <linux/clkdev.h>
#include <linux/slab.h>
#include <linux/err.h>
+#include <linux/pm_runtime.h>
#ifdef CONFIG_PM
@@ -367,6 +368,43 @@ static int pm_clk_notify(struct notifier_block *nb,
return 0;
}
+int pm_clk_runtime_suspend(struct device *dev)
+{
+ int ret;
+
+ dev_dbg(dev, "%s\n", __func__);
+
+ ret = pm_generic_runtime_suspend(dev);
+ if (ret) {
+ dev_err(dev, "failed to suspend device\n");
+ return ret;
+ }
+
+ ret = pm_clk_suspend(dev);
+ if (ret) {
+ dev_err(dev, "failed to suspend clock\n");
+ pm_generic_runtime_resume(dev);
+ return ret;
+ }
+
+ return 0;
+}
+
+int pm_clk_runtime_resume(struct device *dev)
+{
+ int ret;
+
+ dev_dbg(dev, "%s\n", __func__);
+
+ ret = pm_clk_resume(dev);
+ if (ret) {
+ dev_err(dev, "failed to resume clock\n");
+ return ret;
+ }
+
+ return pm_generic_runtime_resume(dev);
+}
+
#else /* !CONFIG_PM */
/**