clk: add devm variant of clk_notifier_register

[platform/kernel/linux-starfive.git] / include / linux / clk.h

diff --git a/include/linux/clk.h b/include/linux/clk.h
index 7fd6a1f..f53afdf 100644 (file)
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -110,6 +110,16 @@ int clk_notifier_register(struct clk *clk, struct notifier_block *nb);
 int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb);
 
 /**
+ * devm_clk_notifier_register - register a managed rate-change notifier callback
+ * @dev: device for clock "consumer"
+ * @clk: clock whose rate we are interested in
+ * @nb: notifier block with callback function pointer
+ *
+ * Returns 0 on success, -EERROR otherwise
+ */
+int devm_clk_notifier_register(struct device *dev, struct clk *clk, struct notifier_block *nb);
+
+/**
  * clk_get_accuracy - obtain the clock accuracy in ppb (parts per billion)
  *                   for a clock source.
  * @clk: clock source