diff mbox series

[U-Boot,V3,09/13] mmc: tmio: sdhi: Touch SCC only when UHS capable

Message ID 20181102150328.21972-9-marek.vasut+renesas@gmail.com
State Deferred
Delegated to: Peng Fan
Headers show
Series [U-Boot,V3,01/13] mmc: tmio: Simplify pinmux handling | expand

Commit Message

Marek Vasut Nov. 2, 2018, 3:03 p.m. UTC 
Add check to avoid touching the SCC tuning registers in case the IP
doesn't support them or if the support isn't in place yet.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
---
V2: No change
V3: No change
---
 drivers/mmc/renesas-sdhi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index edb8e22d3c..465663ba97 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -294,7 +294,8 @@  static int renesas_sdhi_set_ios(struct udevice *dev)
 #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
 	struct tmio_sd_priv *priv = dev_get_priv(dev);
 
-	renesas_sdhi_reset_tuning(priv);
+	if (priv->caps & TMIO_SD_CAP_RCAR_UHS)
+		renesas_sdhi_reset_tuning(priv);
 #endif
 
 	return ret;
@@ -378,7 +379,7 @@  static int renesas_sdhi_probe(struct udevice *dev)
 
 	ret = tmio_sd_probe(dev, quirks);
 #if CONFIG_IS_ENABLED(MMC_HS200_SUPPORT)
-	if (!ret)
+	if (!ret && (priv->caps & TMIO_SD_CAP_RCAR_UHS))
 		renesas_sdhi_reset_tuning(priv);
 #endif
 	return ret;