Le 23/01/2018 à 06:04, Jaehoon Chung a écrit :
When clock is enabling, it's assigned to 0 as mmc->clock.
Then it can't initialize any card.
Fix to assign to correct clock value as mmc->cfg->f_min or f_max.
Fixes: 9546eb92cb6 ("mmc: fix the wrong disabling clock")
I tested your patch on top of u-boot-mmc and SD/MMC is working fine on snow
config (Samsung Chromebook).
Tested-by: Guillaume GARDET <guillaume.gar...@free.fr>
Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
---
drivers/mmc/mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 311f51f237..2d0e7bb3a2 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1501,7 +1501,7 @@ static int mmc_set_ios(struct mmc *mmc)
int mmc_set_clock(struct mmc *mmc, uint clock, bool disable)
{
- if (!disable && clock != 0) {
+ if (!disable) {
if (clock > mmc->cfg->f_max)
clock = mmc->cfg->f_max;
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