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

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Message-ID: <4e4e2a26-56b7-90c8-b0e9-8d4de639b237@microchip.com>
Date:   Thu, 27 Jul 2023 12:20:03 +0000
From:   <Cristian.Birsan@...rochip.com>
To:     <claudiu.beznea@...on.dev>, <frank.li@...o.com>,
        <gregkh@...uxfoundation.org>, <Nicolas.Ferre@...rochip.com>,
        <alexandre.belloni@...tlin.com>, <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 7/27/23 08:34, claudiu beznea wrote:
> 
> 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>

Acked-by: Cristian Birsan <cristian.birsan@...rochip.com>

> 
>> ---
>>   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);