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

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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: Corneliu Doban <cdoban@broadcom.com>
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Corneliu Doban
2015-02-09 16:06:29 -08:00
committed by Ulf Hansson
parent 3bfa6f030a
commit 85cc1c3319
1 changed files with 3 additions and 1 deletions
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4
drivers/mmc/host/sdhci.c
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@@ -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;