mmc: let MFD's provide supported Vdd card voltages to tmio_mmc

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Ian Molton <ian@mnementh.co.uk>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

drivers/mmc/host/tmio_mmc.c

@@ -847,7 +847,10 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
 	mmc->caps |= pdata->capabilities;
 	mmc->f_max = pdata->hclk;
 	mmc->f_min = mmc->f_max / 512;
-	mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+	if (pdata->ocr_mask)
+		mmc->ocr_avail = pdata->ocr_mask;
+	else
+		mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
 
 	/* Tell the MFD core we are ready to be enabled */
 	if (cell->enable) {

include/linux/mfd/tmio.h

@@ -70,6 +70,7 @@ struct tmio_mmc_data {
 	unsigned int			hclk;
 	unsigned long			capabilities;
 	unsigned long			flags;
+	u32				ocr_mask;	/* available voltages */
 	struct tmio_mmc_dma		*dma;
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);