[U-Boot] [PATCH 1/2] mmc: tmio: Clear BUSWIDTH bit when WMODE bit is set
Marek Vasut
marek.vasut at gmail.com
Thu Feb 21 09:25:55 UTC 2019
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 at gmail.com>
Cc: Masahiro Yamada <yamada.masahiro at 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 {
--
2.19.2
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