sh: allow platforms to specify SD-card supported voltages

Boards can have different supplied voltages on different SD card slots. This
information has to be passed down to the SD/MMC driver.

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>

diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
index 19e0d48..cd16459 100644 (file)
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -107,8 +107,10 @@ static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
        mmc_data->hclk = clk_get_rate(priv->clk);
        mmc_data->set_pwr = sh_mobile_sdhi_set_pwr;
        mmc_data->capabilities = MMC_CAP_MMC_HIGHSPEED;
-       if (p)
+       if (p) {
                mmc_data->flags = p->tmio_flags;
+               mmc_data->ocr_mask = p->tmio_ocr_mask;
+       }
 
        if (p && p->dma_slave_tx >= 0 && p->dma_slave_rx >= 0) {
                priv->param_tx.slave_id = p->dma_slave_tx;

diff --git a/include/linux/mfd/sh_mobile_sdhi.h b/include/linux/mfd/sh_mobile_sdhi.h
index c7b47f8..4906780 100644 (file)
--- a/include/linux/mfd/sh_mobile_sdhi.h
+++ b/include/linux/mfd/sh_mobile_sdhi.h
@@ -1,10 +1,13 @@
 #ifndef __SH_MOBILE_SDHI_H__
 #define __SH_MOBILE_SDHI_H__
 
+#include <linux/types.h>
+
 struct sh_mobile_sdhi_info {
        int dma_slave_tx;
        int dma_slave_rx;
        unsigned long tmio_flags;
+       u32 tmio_ocr_mask;      /* available MMC voltages */
        void (*set_pwr)(struct platform_device *pdev, int state);
 };