linux-kernel - Re: [PATCH for-5.8 1/2] usb: dwc3: meson-g12a: fix error path when fetching the reset line fails

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Date:   Wed, 27 May 2020 09:53:34 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        balbi@...nel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-amlogic@...ts.infradead.org
Cc:     hanjie.lin@...ogic.com, yue.wang@...ogic.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH for-5.8 1/2] usb: dwc3: meson-g12a: fix error path when
 fetching the reset line fails

On 26/05/2020 22:29, Martin Blumenstingl wrote:
> Disable and unprepare the clocks when devm_reset_control_get_shared()
> fails. This fixes the error path as this must disable the clocks which
> were previously enabled.
> 
> Fixes: 1e355f21d3fb96 ("usb: dwc3: Add Amlogic A1 DWC3 glue")
> Cc: Yue Wang <yue.wang@...ogic.com>
> Cc: Hanjie Lin <hanjie.lin@...ogic.com>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> ---
>  drivers/usb/dwc3/dwc3-meson-g12a.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
> index bd744e82cad4..ce5388338389 100644
> --- a/drivers/usb/dwc3/dwc3-meson-g12a.c
> +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
> @@ -738,7 +738,7 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev)
>  	if (IS_ERR(priv->reset)) {
>  		ret = PTR_ERR(priv->reset);
>  		dev_err(dev, "failed to get device reset, err=%d\n", ret);
> -		return ret;
> +		goto err_disable_clks;
>  	}
>  
>  	ret = reset_control_reset(priv->reset);
> 

Acked-by: Neil Armstrong <narmstrong@...libre.com>