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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index f8c3f7c330e3..16df235fcc2e 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -579,7 +579,7 @@ static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command
                 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;