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

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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>
This commit is contained in:
Marek Vasut
2019-02-19 19:20:14 +01:00
committed by Marek Vasut
parent d9dcf9da96
commit 5d6888418c
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/tmio-common.c
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@@ -707,7 +707,7 @@ static void tmio_sd_host_init(struct tmio_sd_priv *priv)
*/ */
if (priv->version >= 0x10) { if (priv->version >= 0x10) {
if (priv->caps & TMIO_SD_CAP_64BIT) 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 else
tmio_sd_writel(priv, 0x101, TMIO_SD_HOST_MODE); tmio_sd_writel(priv, 0x101, TMIO_SD_HOST_MODE);
} else { } else {