diff mbox series

[U-Boot,5/5] mmc: renesas-sdhi: Wait after reconfiguring pins

Message ID 20180409234922.27072-5-marek.vasut+renesas@gmail.com
State Accepted
Commit cf39f3f304830b1e76b1a4af8d135ed9d26bb134
Delegated to: Jaehoon Chung
Headers show
Series [U-Boot,1/5] mmc: matsushita-common: Special case only select registers in 16bit | expand

Commit Message

Marek Vasut April 9, 2018, 11:49 p.m. UTC 
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 mbox series

Patch

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);