---

yaml
---
r: 365275
b: refs/heads/master
c: 3cc8247
h: refs/heads/master
i:
  365273: 2670006
  365271: 167e158
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 1c155b3dfe08351f5fc811062648969f1ba7af53
+refs/heads/master: 3cc8247f1dce79511de8bf0f69ab02a46cc315b7

trunk/drivers/clk/clk.c

@@ -352,9 +352,12 @@ static void clk_unprepare_unused_subtree(struct clk *clk)
 	if (clk->flags & CLK_IGNORE_UNUSED)
 		return;
 
-	if (__clk_is_prepared(clk))
-		if (clk->ops->unprepare)
+	if (__clk_is_prepared(clk)) {
+		if (clk->ops->unprepare_unused)
+			clk->ops->unprepare_unused(clk->hw);
+		else if (clk->ops->unprepare)
 			clk->ops->unprepare(clk->hw);
+	}
 }
 
 /* caller must hold prepare_lock */

trunk/include/linux/clk-provider.h

@@ -49,6 +49,10 @@ struct clk_hw;
  *		This function is allowed to sleep. Optional, if this op is not
  *		set then the prepare count will be used.
  *
+ * @unprepare_unused: Unprepare the clock atomically.  Only called from
+ *		clk_disable_unused for prepare clocks with special needs.
+ *		Called with prepare mutex held. This function may sleep.
+ *
  * @enable:	Enable the clock atomically. This must not return until the
  * 		clock is generating a valid clock signal, usable by consumer
  * 		devices. Called with enable_lock held. This function must not
@@ -113,6 +117,7 @@ struct clk_ops {
 	int		(*prepare)(struct clk_hw *hw);
 	void		(*unprepare)(struct clk_hw *hw);
 	int		(*is_prepared)(struct clk_hw *hw);
+	void		(*unprepare_unused)(struct clk_hw *hw);
 	int		(*enable)(struct clk_hw *hw);
 	void		(*disable)(struct clk_hw *hw);
 	int		(*is_enabled)(struct clk_hw *hw);