mmc: tmio: Configure HOST_MODE WMODE according to bus width

Set the HOST_MODE register WMODE bit according to the SDHI bus width,
that is 0 for 64bit bus and 1 for 16/32bit bus.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/drivers/mmc/tmio-common.c b/drivers/mmc/tmio-common.c
index 2421915..6e656e5 100644
--- a/drivers/mmc/tmio-common.c
+++ b/drivers/mmc/tmio-common.c
@@ -705,10 +705,14 @@
 	 * This register dropped backward compatibility at version 0x10.
 	 * Write an appropriate value depending on the IP version.
 	 */
-	if (priv->version >= 0x10)
-		tmio_sd_writel(priv, 0x101, TMIO_SD_HOST_MODE);
-	else
+	if (priv->version >= 0x10) {
+		if (priv->caps & TMIO_SD_CAP_64BIT)
+			tmio_sd_writel(priv, 0x100, TMIO_SD_HOST_MODE);
+		else
+			tmio_sd_writel(priv, 0x101, TMIO_SD_HOST_MODE);
+	} else {
 		tmio_sd_writel(priv, 0x0, TMIO_SD_HOST_MODE);
+	}
 
 	if (priv->caps & TMIO_SD_CAP_DMA_INTERNAL) {
 		tmp = tmio_sd_readl(priv, TMIO_SD_DMA_MODE);