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

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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>
This commit is contained in:
Marek Vasut 2018-10-28 15:30:06 +01:00 committed by Marek Vasut
parent c83da2ebc0
commit 52e1796883
1 changed files with 3 additions and 2 deletions
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5
drivers/mmc/renesas-sdhi.c
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@ -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;