From: Marek Vasut <marek.vasut+renesas@gmail.com>
Date: Mon, 9 Apr 2018 18:47:31 +0000 (+0200)
Subject: mmc: renesas-sdhi: Wait after reconfiguring pins
X-Git-Tag: v2018.05-rc2~18^2~8
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=cf39f3f304830b1e76b1a4af8d135ed9d26bb134;p=u-boot

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>
---

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);