From a7b7401c786871ec65572e1cd66703a0eb461060 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Tue, 30 Jan 2018 00:41:42 +0100
Subject: [PATCH] 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>
---
drivers/mmc/matsushita-common.c | 1 +
1 file changed, 1 insertion(+)
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;
--
2.39.5