[PATCH 2/4] mmc: sdhci: do not set AUTO_CMD12 for multi-block CMD53
From: sbranden@broadcom.com (Scott Branden)
Date: 2015-02-10 00:10:35
Also in:
linux-devicetree, linux-mmc, lkml
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, secure digital host controller interface (sdhci) driver, the rest · Maintainers:
Ulf Hansson, Adrian Hunter, Linus Torvalds
Possibly related (same subject, not in this thread)
- 2015-03-05 · [PATCH 2/4] mmc: sdhci: do not set AUTO_CMD12 for multi-block CMD53 · Scott Branden <sbranden@broadcom.com>
From: Corneliu Doban <redacted> 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 <redacted> Signed-off-by: Scott Branden <sbranden@broadcom.com> --- drivers/mmc/host/sdhci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index fcf78ab..f35d413 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c@@ -28,6 +28,7 @@ #include <linux/mmc/mmc.h> #include <linux/mmc/host.h> #include <linux/mmc/card.h> +#include <linux/mmc/sdio.h> #include <linux/mmc/slot-gpio.h> #include "sdhci.h"
@@ -934,7 +935,8 @@ static void sdhci_set_transfer_mode(struct sdhci_host *host, * If we are sending CMD23, CMD12 never gets sent * 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; else if (host->mrq->sbc && (host->flags & SDHCI_AUTO_CMD23)) { mode |= SDHCI_TRNS_AUTO_CMD23;
--
2.2.2