Re: Shouldn't DT preserve pdev name and id to allow platform_match to work?

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Hi Manju,

On 8/3/2011 6:17 PM, G, Manjunath Kondaiah wrote:
Hi Benoit,

On Wed, Aug 3, 2011 at 8:34 PM, Cousson, Benoit<b-cousson@xxxxxx>  wrote:
Hi Grant,

Going further with the usage of OF_DEV_AUXDATA_ID, I realized that this is is not doing what I was expecting. My expectation might be silly, but in order to make platform_match to work without DT matching mechanism, you need to have the driver name in the pdev->name field:

        /* fall-back to driver name match */
        return (strcmp(pdev->name, drv->name) == 0);

Except that the of_device_add function is doing that:
        pdev->name = dev_name(&ofdev->dev);
        pdev->id = -1;

This is taken here:
http://git.secretlab.ca/?p=linux-2.6.git;a=commitdiff;h=04f51955dc690666467252015a931d71d5c56696

and it is pending for upstream.

With the above patch, both pdev->name and pdev->id can be set as per
hwmod requirement through aux_data lookup table.

Mmm, but I'm already using that patch, and it is only taking care of the pdev->id, hence my email. Did I miss something?

we might have to append pdev->id to pdev->name so that
it can used for device look up in the hwmod
device list.

I'm not sure to get your point here.

Benoit

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