From: Shawn Guo Date: Thu, 10 Nov 2011 08:39:32 +0000 (+0800) Subject: arm/imx: fix imx6q mmc error when mounting rootfs X-Git-Tag: v3.2-rc2~12^2~1^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f750ba9b8db2a926c315ccfa9e95d12fe4590a22;p=pandora-kernel.git arm/imx: fix imx6q mmc error when mounting rootfs The following error is seen in some case when mounting rootfs from SD/MMC cards. Waiting for root device /dev/mmcblk0p1... mmc1: host does not support reading read-only switch. assuming write-enable. mmc1: new high speed SDHC card at address b368 mmcblk0: mmc1:b368 SDC 3.74 GiB mmcblk0: p1 mmc1: Timeout waiting for hardware interrupt. mmcblk0: error -110 transferring data, sector 3678224, nr 40, cmd response 0x900, card status 0xc00 end_request: I/O error, dev mmcblk0, sector 3678225 Buffer I/O error on device mmcblk0p1, logical block 458754 lost page write due to I/O error on mmcblk0p1 This patch fixes the problem by lowering the usdhc clock and correcting watermark configuration. Signed-off-by: Shawn Guo Cc: Chris Ball Cc: Sascha Hauer Signed-off-by: Sascha Hauer --- Reading git-diff-tree failed