mmc: tmio: sdhi: Touch SCC only when UHS capable

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>

diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index f8dc5f57ce16af300ffa362b8c550ab32dc14ec0..7c92bd92ad6c15a5aa0b4248bf29aac130253f0c 100644 (file)
--- 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;
@@ -373,7 +374,7 @@ 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;