From 52e17968836525fdb1e806d482093bd4cfd7b604 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sun, 28 Oct 2018 15:30:06 +0100 Subject: [PATCH] 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 Cc: Masahiro Yamada --- drivers/mmc/renesas-sdhi.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c index f8dc5f57ce..7c92bd92ad 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; @@ -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; -- 2.25.1