linux-kernel - [PATCH v4 0/3] about data busy

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Message-Id: <1423894668-8886-1-git-send-email-addy.ke@rock-chips.com>
Date:	Sat, 14 Feb 2015 14:17:45 +0800
From:	Addy Ke <addy.ke@...k-chips.com>
To:	jh80.chung@...sung.com, ulf.hansson@...aro.org, olof@...om.net,
	alim.akhtar@...il.com, a.hajda@...sung.com, dianders@...omium.org
Cc:	heiko@...ech.de, cf@...k-chips.com, lintao@...k-chips.com,
	huangtao@...k-chips.com, linux-kernel@...r.kernel.org,
	linux-mmc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	Addy Ke <addy.ke@...k-chips.com>
Subject: [PATCH v4 0/3] about data busy

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


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