linux-kernel - [PATCH] ASoC: mediatek: remove unnecessary check of clk_disable

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Date:   Thu,  2 Jun 2022 07:18:09 +0000
From:   cgel.zte@...il.com
To:     lgirdwood@...il.com
Cc:     broonie@...nel.org, perex@...ex.cz, alsa-devel@...a-project.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] ASoC: mediatek: remove unnecessary check of clk_disable_unprepare

From: Minghao Chi <chi.minghao@....com.cn>

Because clk_disable_unprepare already checked NULL clock
parameter, so the additional checks are unnecessary, just remove them.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi <chi.minghao@....com.cn>
---
 sound/soc/mediatek/mt8173/mt8173-afe-pcm.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
index 31494930433f..dcaeeeb8aac7 100644
--- a/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
+++ b/sound/soc/mediatek/mt8173/mt8173-afe-pcm.c
@@ -286,10 +286,8 @@ static int mt8173_afe_dais_set_clks(struct mtk_base_afe *afe,
 static void mt8173_afe_dais_disable_clks(struct mtk_base_afe *afe,
 					 struct clk *m_ck, struct clk *b_ck)
 {
-	if (m_ck)
-		clk_disable_unprepare(m_ck);
-	if (b_ck)
-		clk_disable_unprepare(b_ck);
+	clk_disable_unprepare(m_ck);
+	clk_disable_unprepare(b_ck);
 }
 
 static int mt8173_afe_i2s_startup(struct snd_pcm_substream *substream,
-- 
2.25.1