From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chaotian Jing Subject: [PATCH v2 1/2] mmc: core: do not retry CMD6 in __mmc_switch() Date: Fri, 15 Feb 2019 13:59:34 +0800 Message-ID: <1550210375-32270-2-git-send-email-chaotian.jing@mediatek.com> References: <1550210375-32270-1-git-send-email-chaotian.jing@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1550210375-32270-1-git-send-email-chaotian.jing@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: Ulf Hansson Cc: Matthias Brugger , Shawn Lin , Simon Horman , Chaotian Jing , Avri Altman , Kyle Roeschley , Hongjie Fang , Adrian Hunter , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com List-Id: linux-mmc@vger.kernel.org the response type of CMD6 is R1B, when the first CMD6 gets response CRC error, do retry may get timeout error due to card may still in busy state, which cause this retry make no sense. Signed-off-by: Chaotian Jing --- drivers/mmc/core/mmc_ops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 9054329..c5208fb 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -562,7 +562,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value, if (index == EXT_CSD_SANITIZE_START) cmd.sanitize_busy = true; - err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES); + err = mmc_wait_for_cmd(host, &cmd, 0); if (err) goto out; -- 1.8.1.1.dirty