linux-kernel - Re: [PATCH -next] mtd: st_spi_fsm: add missing clk_disable_unprepare() stfsm

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Date:   Fri, 13 May 2022 12:22:48 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Yang Yingliang <yangyingliang@...wei.com>
Cc:     <linux-kernel@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
        <richard@....at>, <vigneshr@...com>
Subject: Re: [PATCH -next] mtd: st_spi_fsm: add missing
 clk_disable_unprepare() stfsm_remove()

Hi,

yangyingliang@...wei.com wrote on Fri, 13 May 2022 18:03:22 +0800:

> Clock source is prepared and enabled by clk_prepare_enable()
> in probe function, but no disable or unprepare in remove function.

			 not disabled or unprepared

Otherwise looks good.

> 
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
> ---
>  drivers/mtd/devices/st_spi_fsm.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/mtd/devices/st_spi_fsm.c b/drivers/mtd/devices/st_spi_fsm.c
> index 983999c020d6..d3377b10fc0f 100644
> --- a/drivers/mtd/devices/st_spi_fsm.c
> +++ b/drivers/mtd/devices/st_spi_fsm.c
> @@ -2126,6 +2126,8 @@ static int stfsm_remove(struct platform_device *pdev)
>  {
>  	struct stfsm *fsm = platform_get_drvdata(pdev);
>  
> +	clk_disable_unprepare(fsm->clk);
> +
>  	return mtd_device_unregister(&fsm->mtd);
>  }
>  


Thanks,
Miquèl