According to the SD card spec the detection can happen at 400 kHz
Signed-off-by: Juergen Beisert <j...@pengutronix.de>
---
drivers/mci/mci-core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/mci/mci-core.c b/drivers/mci/mci-core.c
index a269aee..9aeaa4d 100644
--- a/drivers/mci/mci-core.c
+++ b/drivers/mci/mci-core.c
@@ -1371,7 +1371,8 @@ static int mci_card_probe(struct mci *mci)
}
mci_set_bus_width(mci, MMC_BUS_WIDTH_1);
- mci_set_clock(mci, 1); /* set the lowest available clock */
+ /* according to the SD card spec the detection can happen at 400 kHz */
+ mci_set_clock(mci, 400000);
/* reset the card */
rc = mci_go_idle(mci);
--
1.8.2.rc2
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