From 5d6888418c1185a00eda01349b03b56b03cefda5 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Tue, 19 Feb 2019 19:20:14 +0100
Subject: [PATCH] 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>
---
drivers/mmc/tmio-common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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 {
--
2.39.5