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Commit 12bd2575 authored by Ville Syrjala's avatar Ville Syrjala Committed by Pierre Ossman
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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: default avatarVille Syrjala <syrjala@sci.fi>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent 9da3cbaf

drivers/mmc/host/at91_mci.c

+1 −1
Original line number Diff line number Diff line
@@ -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;