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at91_mci: Fix byte mode transitions.

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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>
This commit is contained in:
Ville Syrjala
2008-06-09 22:06:45 +03:00
committed by Pierre Ossman
parent 9da3cbaf28
commit 12bd257532
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/at91_mci.c
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@@ -579,7 +579,7 @@ static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command
ier = AT91_MCI_CMDRDY; ier = AT91_MCI_CMDRDY;
} else { } else {
/* zero block length and PDC mode */ /* 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 |= (data->blksz & 0x3) ? AT91_MCI_PDCFBYTE : 0;
mr |= (block_length << 16); mr |= (block_length << 16);
mr |= AT91_MCI_PDCMODE; mr |= AT91_MCI_PDCMODE;