From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Tue, 19 Feb 2019 18:20:14 +0000 (+0100)
Subject: mmc: tmio: Clear BUSWIDTH bit when WMODE bit is set
X-Git-Tag: v2019.04-rc3~6^2~1
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=5d6888418c1185a00eda01349b03b56b03cefda5;p=oweals%2Fu-boot.git

mmc: tmio: Clear BUSWIDTH bit when WMODE bit is set

According to latest specification rev.0026, when HOST_MODE bit 0
(WMODE) is not set, HOST_MODE bit 8 (BUSWIDTH) is ignored. Clear
HOST_MODE bit 8 in such case and align the code with Linux and
avoid possible unforeseen issues.

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 6e656e5a9b..01d8c2b925 100644
--- a/drivers/mmc/tmio-common.c
+++ b/drivers/mmc/tmio-common.c
@@ -707,7 +707,7 @@ static void tmio_sd_host_init(struct tmio_sd_priv *priv)
 	 */
 	if (priv->version >= 0x10) {
 		if (priv->caps & TMIO_SD_CAP_64BIT)
-			tmio_sd_writel(priv, 0x100, TMIO_SD_HOST_MODE);
+			tmio_sd_writel(priv, 0x000, TMIO_SD_HOST_MODE);
 		else
 			tmio_sd_writel(priv, 0x101, TMIO_SD_HOST_MODE);
 	} else {