[PATCH v4] dw_mmc: Add Synopsys DesignWare mmc host driver.

[Jaehoon Chung]

Hi Will.

I have some question...i'm testing dw_mmc in our environment.
but i didn't understand pdata->init(?)...what initialize in there?

plz let me know that..

Thanks
Jaehoon Chung

Will Newton wrote:

> +	host->pdev = pdev;
> +	host->pdata = pdata = pdev->dev.platform_data;
> +	if (!pdata || !pdata->init) {
> +		dev_err(&pdev->dev,
> +			"Platform data must supply init function\n");
> +		ret = -ENODEV;
> +		goto err_freehost;
> +	}
> +
> +	if (!pdata->select_slot && pdata->num_slots > 1) {
> +		dev_err(&pdev->dev,
> +			"Platform data must supply select_slot function\n");
> +		ret = -ENODEV;
> +		goto err_freehost;
> +	}
> +
>