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ASoC: ti: davinci-evm: Remove redundant null check before clk_disable_unprepare

Message ID 20201029082513.28233-1-vulab@iscas.ac.cn
State Accepted
Commit ff3cfccba4dd87bb89ca185b58b38b9a74260138
Headers show
Series ASoC: ti: davinci-evm: Remove redundant null check before clk_disable_unprepare | expand

Commit Message

Xu Wang Oct. 29, 2020, 8:25 a.m. UTC
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>
---
 sound/soc/ti/davinci-evm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Peter Ujfalusi Nov. 2, 2020, 8:18 a.m. UTC | #1
On 29/10/2020 10.25, Xu Wang wrote:
> Because clk_disable_unprepare() already checked NULL clock parameter,
> so the additional check is unnecessary, just remove it.

Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>

> Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
> ---
>  sound/soc/ti/davinci-evm.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/sound/soc/ti/davinci-evm.c b/sound/soc/ti/davinci-evm.c
> index 105e56ab9cdc..b043a0070d20 100644
> --- a/sound/soc/ti/davinci-evm.c
> +++ b/sound/soc/ti/davinci-evm.c
> @@ -46,8 +46,7 @@ static void evm_shutdown(struct snd_pcm_substream *substream)
>  	struct snd_soc_card_drvdata_davinci *drvdata =
>  		snd_soc_card_get_drvdata(soc_card);
>  
> -	if (drvdata->mclk)
> -		clk_disable_unprepare(drvdata->mclk);
> +	clk_disable_unprepare(drvdata->mclk);
>  }
>  
>  static int evm_hw_params(struct snd_pcm_substream *substream,
> 

- P├ęter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
Mark Brown Nov. 2, 2020, 5:18 p.m. UTC | #2
On Thu, 29 Oct 2020 08:25:13 +0000, Xu Wang wrote:
> Because clk_disable_unprepare() already checked NULL clock parameter,
> so the additional check is unnecessary, just remove it.

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next

Thanks!

[1/1] ASoC: ti: davinci-evm: Remove redundant null check before clk_disable_unprepare
      commit: ff3cfccba4dd87bb89ca185b58b38b9a74260138

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark
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Patch

diff --git a/sound/soc/ti/davinci-evm.c b/sound/soc/ti/davinci-evm.c
index 105e56ab9cdc..b043a0070d20 100644
--- a/sound/soc/ti/davinci-evm.c
+++ b/sound/soc/ti/davinci-evm.c
@@ -46,8 +46,7 @@  static void evm_shutdown(struct snd_pcm_substream *substream)
 	struct snd_soc_card_drvdata_davinci *drvdata =
 		snd_soc_card_get_drvdata(soc_card);
 
-	if (drvdata->mclk)
-		clk_disable_unprepare(drvdata->mclk);
+	clk_disable_unprepare(drvdata->mclk);
 }
 
 static int evm_hw_params(struct snd_pcm_substream *substream,