linux-kernel - Re: [PATCH v3 62/62] mmc: f-sdh30: fix order of function calls in sdhci_f_sdh30

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Message-ID: <20230803095226.q2pux43f7q7zbym5@pengutronix.de>
Date:   Thu, 3 Aug 2023 11:52:26 +0200
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Yangtao Li <frank.li@...o.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 62/62] mmc: f-sdh30: fix order of function calls in
 sdhci_f_sdh30_remove

Hello,

On Thu, Aug 03, 2023 at 08:46:08AM +0300, Adrian Hunter wrote:
> On 27/07/23 16:55, Adrian Hunter wrote:
> >> diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c
> >> index 840084ee72e6..964fa18a61a4 100644
> >> --- a/drivers/mmc/host/sdhci_f_sdh30.c
> >> +++ b/drivers/mmc/host/sdhci_f_sdh30.c
> >> @@ -211,11 +211,11 @@ static void sdhci_f_sdh30_remove(struct platform_device *pdev)
> >>  	struct sdhci_host *host = platform_get_drvdata(pdev);
> >>  	struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host);
> >>  
> >> +	sdhci_pltfm_unregister(pdev);
> > 
> > That also frees priv
> > 
> >> +
> >>  	reset_control_assert(priv->rst);
> >>  	clk_disable_unprepare(priv->clk);
> >>  	clk_disable_unprepare(priv->clk_iface);
> >> -
> >> -	sdhci_pltfm_unregister(pdev);
> >>  }
> >>  
> >>  #ifdef CONFIG_OF
> > 
> 
> So it needs to end up looking something like below, right?
> 
> diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c
> index 840084ee72e6..47ae853f51aa 100644
> --- a/drivers/mmc/host/sdhci_f_sdh30.c
> +++ b/drivers/mmc/host/sdhci_f_sdh30.c
> @@ -210,12 +210,15 @@ static void sdhci_f_sdh30_remove(struct platform_device *pdev)
>  {
>  	struct sdhci_host *host = platform_get_drvdata(pdev);
>  	struct f_sdhost_priv *priv = sdhci_f_sdhost_priv(host);
> -
> -	reset_control_assert(priv->rst);
> -	clk_disable_unprepare(priv->clk);
> -	clk_disable_unprepare(priv->clk_iface);
> +	struct clk *clk_iface = priv->clk_iface;
> +	struct reset_control *rst = priv->rst;
> +	struct clk *clk = priv->clk;
>  
>  	sdhci_pltfm_unregister(pdev);
> +
> +	reset_control_assert(rst);
> +	clk_disable_unprepare(clk);
> +	clk_disable_unprepare(clk_iface);
>  }

Looks right to me.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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