mmc: dw_mmc: Add more capabilities field

This patch adds another capabilities field for MMC_CAPS2_XXX.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

drivers/mmc/host/dw_mmc.c

@@ -1681,6 +1681,12 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 	else
 		mmc->caps = 0;
 
+	if (host->pdata->caps2)
+		mmc->caps2 = host->pdata->caps2;
+	else
+		mmc->caps2 = 0;
+
+
 	if (host->pdata->get_bus_wd)
 		if (host->pdata->get_bus_wd(slot->id) >= 4)
 			mmc->caps |= MMC_CAP_4_BIT_DATA;

include/linux/mmc/dw_mmc.h

@@ -214,6 +214,7 @@ struct dw_mci_board {
 	unsigned int bus_hz; /* Bus speed */
 
 	unsigned int caps;	/* Capabilities */
+	unsigned int caps2;	/* More capabilities */
 	/*
 	 * Override fifo depth. If 0, autodetect it from the FIFOTH register,
 	 * but note that this may not be reliable after a bootloader has used