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authorChunfeng Yun <chunfeng.yun@mediatek.com>2020-01-09 11:35:06 +0800
committerTom Rini <trini@konsulko.com>2020-01-16 09:39:45 -0500
commitbd7c798605a33107ccce6d5023af8adf9febc4f1 (patch)
treed6f710a54eb37167b042f5e6c2557841c5a2bd26
parent0f9b2b3ddf36d4bf69011a0dddefa10091cee60d (diff)
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. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
-rw-r--r--drivers/clk/clk-uclass.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 2778b504c0..b7e18668cb 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -391,7 +391,7 @@ int clk_free(struct clk *clk)
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 @@ ulong clk_get_rate(struct clk *clk)
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 *clk_get_parent(struct clk *clk)
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 @@ long long clk_get_parent_rate(struct clk *clk)
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 @@ ulong clk_set_rate(struct clk *clk, ulong rate)
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 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
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 clk_enable(struct clk *clk)
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 clk_disable(struct clk *clk)
int ret;
debug("%s(clk=%p)\n", __func__, clk);
- if (!clk)
+ if (!clk_valid(clk))
return 0;
ops = clk_dev_ops(clk->dev);