Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752134AbbBNGST (ORCPT ); Sat, 14 Feb 2015 01:18:19 -0500 Received: from regular1.263xmail.com ([211.150.99.134]:59295 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750917AbbBNGSS (ORCPT ); Sat, 14 Feb 2015 01:18:18 -0500 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 X-RL-SENDER: addy.ke@rock-chips.com X-FST-TO: jh80.chung@samsung.com X-SENDER-IP: 124.248.208.12 X-LOGIN-NAME: addy.ke@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 1 From: Addy Ke To: jh80.chung@samsung.com, ulf.hansson@linaro.org, olof@lixom.net, alim.akhtar@gmail.com, a.hajda@samsung.com, dianders@chromium.org Cc: heiko@sntech.de, cf@rock-chips.com, lintao@rock-chips.com, huangtao@rock-chips.com, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Addy Ke Subject: [PATCH v4 0/3] about data busy Date: Sat, 14 Feb 2015 14:17:45 +0800 Message-Id: <1423894668-8886-1-git-send-email-addy.ke@rock-chips.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1423828368-18456-1-git-send-email-addy.ke@rock-chips.com> References: <1423828368-18456-1-git-send-email-addy.ke@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1176 Lines: 35 patch 1: This patch can fix bug that controller is still data busy after reset all blocks. After this patch, I still get data busy in set_ios(). patch 2: This patch fix bug 'Timeout sending command'. After patch1 and patch2, there is no mmc errors after: cd /sys/bus/platform/drivers/dwmmc_rockchip for i in $(seq 1 10000); do echo "========================" $i echo ff0c0000.dwmmc > unbind sleep .5 echo ff0c0000.dwmmc > bind sleep 2 done patch3: This patch fix bug that there is data busy before sdio send CMD53. But This patch is necessary for sd and mmc too. Addy Ke (3): mmc: dw_mmc: update clock after host reach a stable voltage mmc: dw_mmc: fix bug that cause 'Timeout sending command' mmc: dw_mmc: Don't start command while data busy drivers/mmc/host/dw_mmc.c | 41 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 40 insertions(+), 1 deletion(-) -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/