ASoC: samsung: i2s: Remove redundant null check before clk_disable_unprepare

Because clk_disable_unprepare() already checked NULL clock parameter,
so the additional check is unnecessary, just remove it.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Link: https://lore.kernel.org/r/20201029084137.28771-1-vulab@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index df53d4e..36969f0 100644 (file)
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1212,8 +1212,7 @@ static int i2s_runtime_suspend(struct device *dev)
        priv->suspend_i2scon = readl(priv->addr + I2SCON);
        priv->suspend_i2spsr = readl(priv->addr + I2SPSR);
 
-       if (priv->op_clk)
-               clk_disable_unprepare(priv->op_clk);
+       clk_disable_unprepare(priv->op_clk);
        clk_disable_unprepare(priv->clk);
 
        return 0;