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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Anand Moon <linux.amoon@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Zhang Rui <rui.zhang@intel.com>,
	Lukasz Luba <lukasz.luba@arm.com>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	"open list:SAMSUNG THERMAL DRIVER" <linux-pm@vger.kernel.org>,
	"open list:SAMSUNG THERMAL DRIVER"
	<linux-samsung-soc@vger.kernel.org>,
	"moderated list:ARM/SAMSUNG S3C,
	S5P AND EXYNOS ARM ARCHITECTURES"
	<linux-arm-kernel@lists.infradead.org>,
	open list <linux-kernel@vger.kernel.org>,
	"open list:CLANG/LLVM BUILD SUPPORT:Keyword:b(?i:clang|llvm)b"
	<llvm@lists.linux.dev>
Subject: Re: [PATCH v5 2/3] drivers/thermal/exymos: Remove redundant IS_ERR() checks for clk_sec clock
Date: Fri, 18 Apr 2025 10:11:16 +0200	[thread overview]
Message-ID: <aAIJJKGif3i3-97g@mai.linaro.org> (raw)
In-Reply-To: <20250410063754.5483-3-linux.amoon@gmail.com>

On Thu, Apr 10, 2025 at 12:07:49PM +0530, Anand Moon wrote:
> Remove unnecessary IS_ERR() checks for the clk_sec clock,
> the clk_enable() and clk_disable() functions can handle NULL clock
> pointers, so the additional checks are redundant and have been removed
> to simplify the code.
> 
> Signed-off-by: Anand Moon <linux.amoon@gmail.com>

Typo in the subject: s/exymos/exynos/

> ---
> v5: None
> v4: drop IE_ERR() for clk_unprepare() as its handle in earlier code.
> v3: improve the commit message.
> ---
>  drivers/thermal/samsung/exynos_tmu.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index 3657920de000..ac3b9d2c900c 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -258,8 +258,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
>  
>  	mutex_lock(&data->lock);
>  	clk_enable(data->clk);
> -	if (!IS_ERR(data->clk_sec))
> -		clk_enable(data->clk_sec);
> +	clk_enable(data->clk_sec);
>  
>  	status = readb(data->base + EXYNOS_TMU_REG_STATUS);
>  	if (!status) {
> @@ -269,8 +268,7 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
>  		data->tmu_clear_irqs(data);
>  	}
>  
> -	if (!IS_ERR(data->clk_sec))
> -		clk_disable(data->clk_sec);
> +	clk_disable(data->clk_sec);
>  	clk_disable(data->clk);
>  	mutex_unlock(&data->lock);

To be replaced by devm_clk_get_enabled() ?

>  
> -- 
> 2.49.0
> 

-- 

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  parent reply	other threads:[~2025-04-18  8:11 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-10  6:37 [PATCH v5 0/3] Exynos Thermal code improvement Anand Moon
2025-04-10  6:37 ` [PATCH v5 1/3] drivers/thermal/exynos: Refactor clk_sec initialization inside SOC-specific case Anand Moon
2025-04-15  8:47   ` Lukasz Luba
2025-04-18  8:06   ` Daniel Lezcano
2025-04-18 13:31     ` Anand Moon
2025-04-10  6:37 ` [PATCH v5 2/3] drivers/thermal/exymos: Remove redundant IS_ERR() checks for clk_sec clock Anand Moon
2025-04-15  8:38   ` Lukasz Luba
2025-04-18  8:11   ` Daniel Lezcano [this message]
2025-04-18 13:31     ` Anand Moon
2025-04-10  6:37 ` [PATCH v5 3/3] drivers/thermal/exymos: Fixed the efuse min max value for exynos5422 Anand Moon
2025-04-15  8:36   ` Lukasz Luba
2025-04-18  8:19   ` Daniel Lezcano
2025-04-18 13:32     ` Anand Moon

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