From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Mon, 29 Jan 2018 23:41:42 +0000 (+0100)
Subject: mmc: matsushita-common: Handle bus width 0
X-Git-Tag: v2018.05-rc2~18^2~18
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=a7b7401c786871ec65572e1cd66703a0eb461060;p=oweals%2Fu-boot.git

mmc: matsushita-common: Handle bus width 0

Handle bus width 0 as 1-bit bus to assure valid content of
MATSU_SD_OPTION register WIDTH field.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
---

diff --git a/drivers/mmc/matsushita-common.c b/drivers/mmc/matsushita-common.c
index 11e4553d87..377f349b41 100644
--- a/drivers/mmc/matsushita-common.c
+++ b/drivers/mmc/matsushita-common.c
@@ -504,6 +504,7 @@ static int matsu_sd_set_bus_width(struct matsu_sd_priv *priv,
 	u32 val, tmp;
 
 	switch (mmc->bus_width) {
+	case 0:
 	case 1:
 		val = MATSU_SD_OPTION_WIDTH_1;
 		break;