linux-kernel - Re: [PATCH 3/3] usb: chipidea: tegra: Consistently use dev_err

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Date:   Mon, 25 Sep 2023 19:47:48 +0800
From:   Peter Chen <peter.chen@...nel.org>
To:     Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Dmitry Osipenko <digetx@...il.com>,
        Peter Geis <pgwipeout@...il.com>,
        Thierry Reding <treding@...dia.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH 3/3] usb: chipidea: tegra: Consistently use
 dev_err_probe()

On 23-09-23 21:41:56, Michał Mirosław wrote:
> Convert all error exits from probe() to dev_err_probe().
> 
> Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>

Acked-by: Peter Chen <peter.chen@...nel.org>

Peter
> ---
>  drivers/usb/chipidea/ci_hdrc_tegra.c | 16 +++++++---------
>  1 file changed, 7 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/usb/chipidea/ci_hdrc_tegra.c b/drivers/usb/chipidea/ci_hdrc_tegra.c
> index 8e78bf643e25..2cc305803217 100644
> --- a/drivers/usb/chipidea/ci_hdrc_tegra.c
> +++ b/drivers/usb/chipidea/ci_hdrc_tegra.c
> @@ -293,14 +293,12 @@ static int tegra_usb_probe(struct platform_device *pdev)
>  	usb->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "nvidia,phy", 0);
>  	if (IS_ERR(usb->phy))
>  		return dev_err_probe(&pdev->dev, PTR_ERR(usb->phy),
> -				     "failed to get PHY\n");
> +				     "failed to get PHY");
>  
>  	usb->clk = devm_clk_get(&pdev->dev, NULL);
> -	if (IS_ERR(usb->clk)) {
> -		err = PTR_ERR(usb->clk);
> -		dev_err(&pdev->dev, "failed to get clock: %d\n", err);
> -		return err;
> -	}
> +	if (IS_ERR(usb->clk))
> +		return dev_err_probe(&pdev->dev, PTR_ERR(usb->clk),
> +				     "failed to get clock");
>  
>  	err = devm_tegra_core_dev_init_opp_table_common(&pdev->dev);
>  	if (err)
> @@ -316,7 +314,7 @@ static int tegra_usb_probe(struct platform_device *pdev)
>  
>  	err = tegra_usb_reset_controller(&pdev->dev);
>  	if (err) {
> -		dev_err(&pdev->dev, "failed to reset controller: %d\n", err);
> +		dev_err_probe(&pdev->dev, err, "failed to reset controller");
>  		goto fail_power_off;
>  	}
>  
> @@ -347,8 +345,8 @@ static int tegra_usb_probe(struct platform_device *pdev)
>  	usb->dev = ci_hdrc_add_device(&pdev->dev, pdev->resource,
>  				      pdev->num_resources, &usb->data);
>  	if (IS_ERR(usb->dev)) {
> -		err = PTR_ERR(usb->dev);
> -		dev_err(&pdev->dev, "failed to add HDRC device: %d\n", err);
> +		err = dev_err_probe(&pdev->dev, PTR_ERR(usb->dev),
> +				    "failed to add HDRC device");
>  		goto phy_shutdown;
>  	}
>  
> -- 
> 2.39.2
> 

-- 

Thanks,
Peter Chen