From cf39f3f304830b1e76b1a4af8d135ed9d26bb134 Mon Sep 17 00:00:00 2001
From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Mon, 9 Apr 2018 20:47:31 +0200
Subject: [PATCH] mmc: renesas-sdhi: Wait after reconfiguring pins
The IP requires some time to recuperate after the IO pin
properties were changed. Add a delay to assure this.
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/renesas-sdhi.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index e9edcf5f17..8564f42e20 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -289,6 +289,9 @@ out:
static int renesas_sdhi_set_ios(struct udevice *dev)
{
int ret = matsu_sd_set_ios(dev);
+
+ mdelay(10);
+
#if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
struct matsu_sd_priv *priv = dev_get_priv(dev);
--
2.39.5