Commit 85cc1c33 authored by Corneliu Doban's avatar Corneliu Doban Committed by Ulf Hansson
Browse files

mmc: sdhci: do not set AUTO_CMD12 for multi-block CMD53 



For CMD53 in block mode, the host does not need to stop the transfer,
as it stops when the block count (present in CMD53) is reached.

Signed-off-by: default avatarCorneliu Doban <cdoban@broadcom.com>
Signed-off-by: default avatarScott Branden <sbranden@broadcom.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 3bfa6f03

drivers/mmc/host/sdhci.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <linux/mmc/mmc.h>

#include <linux/mmc/mmc.h>

#include <linux/mmc/host.h>

#include <linux/mmc/host.h>

#include <linux/mmc/card.h>

#include <linux/mmc/card.h>

#include <linux/mmc/sdio.h>

#include <linux/mmc/slot-gpio.h>

#include <linux/mmc/slot-gpio.h>





#include "sdhci.h"

#include "sdhci.h"
@@ -931,7 +932,8 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host, 
		 * If we are sending CMD23, CMD12 never gets sent

		 * If we are sending CMD23, CMD12 never gets sent

		 * on successful completion (so no Auto-CMD12).

		 * on successful completion (so no Auto-CMD12).

		 */

		 */

		if (!host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD12))

		if (!host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD12) &&

		    (cmd->opcode != SD_IO_RW_EXTENDED))

			mode |= SDHCI_TRNS_AUTO_CMD12;

			mode |= SDHCI_TRNS_AUTO_CMD12;

		else if (host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23)) {

		else if (host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23)) {

			mode |= SDHCI_TRNS_AUTO_CMD23;

			mode |= SDHCI_TRNS_AUTO_CMD23;

CRA Git | Maintained and supported by SUSTech CRA and CCSE