[PATCH 5.7 051/166] ASoC: fsl_mqs: Dont check clock is NULL before calling clk API

From: Greg Kroah-Hartman
Date: Tue Jul 14 2020 - 14:55:38 EST


From: Shengjiu Wang <shengjiu.wang@xxxxxxx>

[ Upstream commit adf46113a608d9515801997fc96cbfe8ffa89ed3 ]

Because clk_prepare_enable and clk_disable_unprepare should
check input clock parameter is NULL or not internally, then
we don't need to check them before calling the function.

Fixes: 9e28f6532c61 ("ASoC: fsl_mqs: Add MQS component driver")
Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
Acked-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
Link: https://lore.kernel.org/r/743be216bd504c26e8d45d5ce4a84561b67a122b.1592888591.git.shengjiu.wang@xxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
sound/soc/fsl/fsl_mqs.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/sound/soc/fsl/fsl_mqs.c b/sound/soc/fsl/fsl_mqs.c
index 0c813a45bba7c..b44b134390a39 100644
--- a/sound/soc/fsl/fsl_mqs.c
+++ b/sound/soc/fsl/fsl_mqs.c
@@ -266,11 +266,9 @@ static int fsl_mqs_runtime_resume(struct device *dev)
{
struct fsl_mqs *mqs_priv = dev_get_drvdata(dev);

- if (mqs_priv->ipg)
- clk_prepare_enable(mqs_priv->ipg);
+ clk_prepare_enable(mqs_priv->ipg);

- if (mqs_priv->mclk)
- clk_prepare_enable(mqs_priv->mclk);
+ clk_prepare_enable(mqs_priv->mclk);

if (mqs_priv->use_gpr)
regmap_write(mqs_priv->regmap, IOMUXC_GPR2,
@@ -292,11 +290,8 @@ static int fsl_mqs_runtime_suspend(struct device *dev)
regmap_read(mqs_priv->regmap, REG_MQS_CTRL,
&mqs_priv->reg_mqs_ctrl);

- if (mqs_priv->mclk)
- clk_disable_unprepare(mqs_priv->mclk);
-
- if (mqs_priv->ipg)
- clk_disable_unprepare(mqs_priv->ipg);
+ clk_disable_unprepare(mqs_priv->mclk);
+ clk_disable_unprepare(mqs_priv->ipg);

return 0;
}
--
2.25.1