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ASoC: pxa: pxa-ssp: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare 

ecause clk_prepare_enable() and clk_disable_unprepare() already checked
NULL clock parameter, so the additional checks are unnecessary, just
remove them.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Link: https://lore.kernel.org/r/20201029090104.29552-1-vulab@iscas.ac.cn
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Xu Wang 2020-10-29 09:01:04 +00:00 committed by Mark Brown
parent ec4177c834
commit b8f9495776
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 4 deletions
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6
sound/soc/pxa/pxa-ssp.c
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@ -99,8 +99,7 @@ static int pxa_ssp_startup(struct snd_pcm_substream *substream,
pxa_ssp_disable(ssp);
}
if (priv->extclk)
clk_prepare_enable(priv->extclk);
clk_prepare_enable(priv->extclk);
dma = kzalloc(sizeof(struct snd_dmaengine_dai_dma_data), GFP_KERNEL);
if (!dma)
@ -124,8 +123,7 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream,
clk_disable_unprepare(ssp->clk);
}
if (priv->extclk)
clk_disable_unprepare(priv->extclk);
clk_disable_unprepare(priv->extclk);
kfree(snd_soc_dai_get_dma_data(cpu_dai, substream));
snd_soc_dai_set_dma_data(cpu_dai, substream, NULL);