From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Branden Subject: [PATCH 2/4] mmc: sdhci: do not set AUTO_CMD12 for multi-block CMD53 Date: Thu, 5 Mar 2015 07:59:06 -0800 Message-ID: <1425571148-5876-3-git-send-email-sbranden@broadcom.com> References: <1425571148-5876-1-git-send-email-sbranden@broadcom.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1425571148-5876-1-git-send-email-sbranden@broadcom.com> Sender: linux-kernel-owner@vger.kernel.org To: bcm-kernel-feedback-list@broadcom.com, Ulf Hansson , Chris Ball , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Grant Likely Cc: Ray Jui , Jonathan Richardson , Corneliu Doban , Dmitry Torokhov , Anatol Pomazao , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Scott Branden List-Id: linux-mmc@vger.kernel.org From: Corneliu Doban 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 Signed-off-by: Scott Branden --- 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 #include #include +#include #include #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