linux-kernel - Re: [PATCH 08/30] usb: gadget/atmel_usba_udc: Use devm_platform_get_and_ioremap

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Message-ID: <9887e7a5-2422-4ab1-baf8-6eb0e27c1314@tuxon.dev>
Date:   Thu, 27 Jul 2023 08:34:13 +0300
From:   claudiu beznea <claudiu.beznea@...on.dev>
To:     Yangtao Li <frank.li@...o.com>,
        Cristian Birsan <cristian.birsan@...rochip.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/30] usb: gadget/atmel_usba_udc: Use
 devm_platform_get_and_ioremap_resource()



On 26.07.2023 14:37, Yangtao Li wrote:
> Convert platform_get_resource(), devm_ioremap_resource() to a single
> call to devm_platform_get_and_ioremap_resource(), as this is exactly
> what this function does.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>

Reviewed-by: Claudiu Beznea <claudiu.beznea@...on.dev>

> ---
>   drivers/usb/gadget/udc/atmel_usba_udc.c | 6 ++----
>   1 file changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
> index 6c0ed3fa5eb1..02b1bef5e22e 100644
> --- a/drivers/usb/gadget/udc/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
> @@ -2285,15 +2285,13 @@ static int usba_udc_probe(struct platform_device *pdev)
>   	udc->gadget = usba_gadget_template;
>   	INIT_LIST_HEAD(&udc->gadget.ep_list);
>   
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID);
> -	udc->regs = devm_ioremap_resource(&pdev->dev, res);
> +	udc->regs = devm_platform_get_and_ioremap_resource(pdev, CTRL_IOMEM_ID, &res);
>   	if (IS_ERR(udc->regs))
>   		return PTR_ERR(udc->regs);
>   	dev_info(&pdev->dev, "MMIO registers at %pR mapped at %p\n",
>   		 res, udc->regs);
>   
> -	res = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID);
> -	udc->fifo = devm_ioremap_resource(&pdev->dev, res);
> +	udc->fifo = devm_platform_get_and_ioremap_resource(pdev, FIFO_IOMEM_ID, &res);
>   	if (IS_ERR(udc->fifo))
>   		return PTR_ERR(udc->fifo);
>   	dev_info(&pdev->dev, "FIFO at %pR mapped at %p\n", res, udc->fifo);