Subject: Re: [PATCH v3 1/3] usb: fsl-mxc-udc: replace cpu_is_xxx() with platform_device_id

From: Marc Kleine-Budde <[email-masked]>
Date: Mon, 14 Jan 2013 11:18:53 +0100

On 01/14/2013 11:16 AM, Felipe Balbi wrote:
> Hi,
> 
> On Mon, Jan 14, 2013 at 06:12:39PM +0800, Peter Chen wrote:
>> @@ -2756,22 +2753,41 @@ static int fsl_udc_otg_resume(struct device *dev)
>>  
>>  	return fsl_udc_resume(NULL);
>>  }
>> -
>>  /*-------------------------------------------------------------------------
>>  	Register entry point for the peripheral controller driver
>>  --------------------------------------------------------------------------*/
>> -
>> +static const struct platform_device_id fsl_udc_devtype[] = {
>> +	{
>> +		.name = "imx-udc-mx25",
>> +		.driver_data = IMX25_UDC,
>> +	}, {
>> +		.name = "imx-udc-mx27",
>> +		.driver_data = IMX27_UDC,
>> +	}, {
>> +		.name = "imx-udc-mx31",
>> +		.driver_data = IMX31_UDC,
>> +	}, {
>> +		.name = "imx-udc-mx35",
>> +		.driver_data = IMX35_UDC,
>> +	}, {
>> +		.name = "imx-udc-mx51",
>> +		.driver_data = IMX51_UDC,
>> +	}
>> +};
> 
> I wonder if your driver-data is actually needed since you can use string
> comparisson to achieve the exact same outcome.

Why use a string compare, if the kernel infrastructure already does this
for you?

Marc
-- 
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