From: AKASHI Takahiro <takahiro.aka...@linaro.org>
mmc_set_chip_select() should be called only in UHS-I mode,
and not for UHS-II mode.
Signed-off-by: Ben Chuang <ben.chu...@genesyslogic.com.tw>
Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
---
drivers/mmc/core/core.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 85c83c82ad0c..c6540d56646b 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -898,8 +898,10 @@ static inline void mmc_set_ios(struct mmc_host *host)
*/
void mmc_set_chip_select(struct mmc_host *host, int mode)
{
- host->ios.chip_select = mode;
- mmc_set_ios(host);
+ if (!(host->flags & MMC_UHS2_INITIALIZED)) {
+ host->ios.chip_select = mode;
+ mmc_set_ios(host);
+ }
}
/*
--
2.27.0
