brain-hackers_pepepper-mirror
/
u-boot-brain
mirror of https://github.com/brain-hackers/u-boot-brain
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mmc/renesas-sdhi.c
View File

@ -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;