linux-kernel - Re: [PATCH v4] dw_mmc: Add Synopsys DesignWare mmc host driver.

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Date:	Tue, 18 Jan 2011 16:54:58 +0900
From:	Jaehoon Chung <jh80.chung@...sung.com>
To:	Will Newton <will.newton@...il.com>
Cc:	Chris Ball <cjb@...top.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-mmc@...r.kernel.org, Matt Fleming <matt@...sole-pimps.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4] dw_mmc: Add Synopsys DesignWare mmc host driver.

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;
> +	}
> +
>
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