mmc: set bus width to 1 and clock to minimum early during initialization
We need to switch back to 1-bit before initialization or SD 2.0 cards
will fail to send SCR if we've switched to 4-bit already.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 8c736ce..b69ce15 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -859,6 +859,9 @@
if (err)
return err;
+ mmc_set_bus_width(mmc, 1);
+ mmc_set_clock(mmc, 1);
+
/* Reset the Card */
err = mmc_go_idle(mmc);