[PATCH v3 4/6] clk: use clk_get_parent() helper in clk_en(dis)able()

[Yang Xiwen via B4 Relay]

From: Yang Xiwen <forbidden405 at outlook.com>

Update clk_enable() and clk_disable() to use clk_get_parent() instead of
manually accessing clk->dev->parent.

Reviewed-by: Simon Glass <simon.glass at canonical.com>
Signed-off-by: Yang Xiwen <forbidden405 at outlook.com>
---
 drivers/clk/clk-uclass.c | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 559420c85056..297d4d63a579 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -663,7 +663,7 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 int clk_enable(struct clk *clk)
 {
 	const struct clk_ops *ops;
-	struct clk *clkp = NULL;
+	struct clk *clkp = NULL, *clk_parent;
 	int ret;
 
 	debug("%s(clk=%p name=%s)\n", __func__, clk, clk ? clk->dev->name : "NULL");
@@ -679,9 +679,10 @@ int clk_enable(struct clk *clk)
 				clkp->enable_count++;
 				return 0;
 			}
-			if (clkp->dev->parent &&
-			    device_get_uclass_id(clkp->dev->parent) == UCLASS_CLK) {
-				ret = clk_enable(dev_get_clk_ptr(clkp->dev->parent));
+
+			clk_parent = clk_get_parent(clkp);
+			if (!IS_ERR_OR_NULL(clk_parent)) {
+				ret = clk_enable(clk_parent);
 				if (ret) {
 					printf("Enable %s failed\n",
 					       clkp->dev->parent->name);
@@ -754,13 +755,16 @@ int clk_disable(struct clk *clk)
 				return ret;
 		}
 
-		if (clkp && clkp->dev->parent &&
-		    device_get_uclass_id(clkp->dev->parent) == UCLASS_CLK) {
-			ret = clk_disable(dev_get_clk_ptr(clkp->dev->parent));
-			if (ret) {
-				printf("Disable %s failed\n",
-				       clkp->dev->parent->name);
-				return ret;
+		if (clkp) {
+			struct clk *clk_parent = clk_get_parent(clkp);
+
+			if (!IS_ERR_OR_NULL(clk_parent)) {
+				ret = clk_disable(clk_parent);
+				if (ret) {
+					printf("Disable %s failed\n",
+					       clkp->dev->parent->name);
+					return ret;
+				}
 			}
 		}
 	} else {

-- 
2.43.0