linux-kernel - [PATCH] ASoC: samsung: i2s: Remove redundant null check before clk_disable

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Message-Id: <20201029083715.28561-1-vulab@iscas.ac.cn>
Date:   Thu, 29 Oct 2020 08:37:15 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     krzk@...nel.org, sbkim73@...sung.com
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...as.ac.cn>
---
 sound/soc/samsung/i2s.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index df53d4ea808f..36969f0a3f9a 100644
--- 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;
-- 
2.17.1