at91_mci: Fix byte mode transitions.
The byte mode support fails to clear the byte mode bit in the command
register, possibly leaving byte mode enabled with the counters programmed
in non-byte mode.
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index f8c3f7c..16df235 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -579,7 +579,7 @@
ier = AT91_MCI_CMDRDY;
} else {
/* zero block length and PDC mode */
- mr = at91_mci_read(host, AT91_MCI_MR) & 0x7fff;
+ mr = at91_mci_read(host, AT91_MCI_MR) & 0x5fff;
mr |= (data->blksz & 0x3) ? AT91_MCI_PDCFBYTE : 0;
mr |= (block_length << 16);
mr |= AT91_MCI_PDCMODE;