From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755125Ab2ENIkK (ORCPT ); Mon, 14 May 2012 04:40:10 -0400 Received: from na3sys009aog103.obsmtp.com ([74.125.149.71]:44051 "HELO na3sys009aog103.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754331Ab2ENIkH (ORCPT ); Mon, 14 May 2012 04:40:07 -0400 From: yongd To: cjb@laptop.org, linux-mmc@vger.kernel.org Cc: stefan.xk.nilsson@stericsson.com, linus.walleij@linaro.org, ulf.hansson@stericsson.com, svenkatr@ti.com, linux-kernel@vger.kernel.org, yongd Subject: [PATCH] mmc:sdio:retry CMD52/53 when error happens Date: Mon, 14 May 2012 16:39:52 +0800 Message-Id: <1336984792-13956-1-git-send-email-yongd@marvell.com> X-Mailer: git-send-email 1.7.9.5 X-OriginalArrivalTime: 14 May 2012 08:39:52.0857 (UTC) FILETIME=[21BA4090:01CD31AD] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Set sdio CMD52/53's retry time as MMC_CMD_RETRIES. As a result, sdio might benefit from core-internal CMD retry mechanism when some errors happen(CRC, etc). Signed-off-by: yongd --- drivers/mmc/core/sdio_ops.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c index d29e206..884c27e 100644 --- a/drivers/mmc/core/sdio_ops.c +++ b/drivers/mmc/core/sdio_ops.c @@ -86,7 +86,7 @@ static int mmc_io_rw_direct_host(struct mmc_host *host, int write, unsigned fn, cmd.arg |= in; cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_AC; - err = mmc_wait_for_cmd(host, &cmd, 0); + err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES); if (err) return err; @@ -147,6 +147,7 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn, else cmd.arg |= 0x08000000 | blocks; /* block mode */ cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_ADTC; + cmd.retries = MMC_CMD_RETRIES; data.blksz = blksz; /* Code in host drivers/fwk assumes that "blocks" always is >=1 */ -- 1.7.9.5