linux-kernel - RE: [PATCH] usb: gadget: Remove unnecessary print function dev

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Date:   Thu, 16 Jun 2022 10:16:05 +0000
From:   Neal Liu <neal_liu@...eedtech.com>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
CC:     "balbi@...nel.org" <balbi@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "joel@....id.au" <joel@....id.au>,
        "andrew@...id.au" <andrew@...id.au>,
        "sumit.semwal@...aro.org" <sumit.semwal@...aro.org>,
        "christian.koenig@....com" <christian.koenig@....com>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linaro-mm-sig@...ts.linaro.org" <linaro-mm-sig@...ts.linaro.org>
Subject: RE: [PATCH] usb: gadget: Remove unnecessary print function dev_err()

> The print function dev_err() is redundant because platform_get_irq() already
> prints an error.
> 
> This was found by coccicheck:
> 
> ./drivers/usb/gadget/udc/aspeed_udc.c:1546:2-9: line 1546 is redundant
> because platform_get_irq() already prints an error.
> 
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Acked-by: Neal Liu <neal_liu@...eedtech.com>

> ---
>  drivers/usb/gadget/udc/aspeed_udc.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/usb/gadget/udc/aspeed_udc.c
> b/drivers/usb/gadget/udc/aspeed_udc.c
> index 1fc15228ff15..2c3dc80d6b8c 100644
> --- a/drivers/usb/gadget/udc/aspeed_udc.c
> +++ b/drivers/usb/gadget/udc/aspeed_udc.c
> @@ -1543,7 +1543,6 @@ static int ast_udc_probe(struct platform_device
> *pdev)
>  	/* Find interrupt and install handler */
>  	udc->irq = platform_get_irq(pdev, 0);
>  	if (udc->irq < 0) {
> -		dev_err(&pdev->dev, "Failed to get interrupt\n");
>  		rc = udc->irq;
>  		goto err;
>  	}
> --
> 2.20.1.7.g153144c