commit dc338d3223356646d3bf846fa059d75c64eeb596
author developer <developer@mediatek.com> Thu Jan 09 11:35:06 2020 +0800
committer Tom Rini <trini@konsulko.com> Thu Jan 16 09:39:45 2020 -0500
tree d6f710a54eb37167b042f5e6c2557841c5a2bd26
parent 5e108fb8a673563de7c4993196830cb733621b80

clk: check valid clock by clk_valid()

Add valid check for clk->dev, it's useful when get optional
clock even when the clk point is valid, but its dev will be
NULL.

Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/clk/clk-uclass.c

diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 2778b50..b7e1866 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -391,7 +391,7 @@
 	const struct clk_ops *ops;
 
 	debug("%s(clk=%p)\n", __func__, clk);
-	if (!clk)
+	if (!clk_valid(clk))
 		return 0;
 	ops = clk_dev_ops(clk->dev);
 
@@ -406,7 +406,7 @@
 	const struct clk_ops *ops;
 
 	debug("%s(clk=%p)\n", __func__, clk);
-	if (!clk)
+	if (!clk_valid(clk))
 		return 0;
 	ops = clk_dev_ops(clk->dev);
 
@@ -422,7 +422,7 @@
 	struct clk *pclk;
 
 	debug("%s(clk=%p)\n", __func__, clk);
-	if (!clk)
+	if (!clk_valid(clk))
 		return NULL;
 
 	pdev = dev_get_parent(clk->dev);
@@ -439,7 +439,7 @@
 	struct clk *pclk;
 
 	debug("%s(clk=%p)\n", __func__, clk);
-	if (!clk)
+	if (!clk_valid(clk))
 		return 0;
 
 	pclk = clk_get_parent(clk);
@@ -462,7 +462,7 @@
 	const struct clk_ops *ops;
 
 	debug("%s(clk=%p, rate=%lu)\n", __func__, clk, rate);
-	if (!clk)
+	if (!clk_valid(clk))
 		return 0;
 	ops = clk_dev_ops(clk->dev);
 
@@ -477,7 +477,7 @@
 	const struct clk_ops *ops;
 
 	debug("%s(clk=%p, parent=%p)\n", __func__, clk, parent);
-	if (!clk)
+	if (!clk_valid(clk))
 		return 0;
 	ops = clk_dev_ops(clk->dev);
 
@@ -494,7 +494,7 @@
 	int ret;
 
 	debug("%s(clk=%p)\n", __func__, clk);
-	if (!clk)
+	if (!clk_valid(clk))
 		return 0;
 	ops = clk_dev_ops(clk->dev);
 
@@ -554,7 +554,7 @@
 	int ret;
 
 	debug("%s(clk=%p)\n", __func__, clk);
-	if (!clk)
+	if (!clk_valid(clk))
 		return 0;
 	ops = clk_dev_ops(clk->dev);