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authorGregory CLEMENT <gregory.clement@free-electrons.com>2013-08-22 18:19:06 +0400
committerWolfram Sang <wsa@the-dreams.de>2013-08-23 12:15:51 +0400
commitc1d15b68aab86f1f3b602fa65e7618c0065d46e6 (patch)
tree929537c122d396ce4e763b1e73a199a64eb70663 /drivers/of/Makefile
parent930ab3d403ae43f19d7e6d972139e02c9b8a5ec6 (diff)
downloadlinux-c1d15b68aab86f1f3b602fa65e7618c0065d46e6.tar.xz
i2c: mv64xxx: Fix timing issue on Armada XP (errata FE-8471889)
All the Armada XP (mv78230, mv78260 and mv78460) have a silicon issue in the I2C controller which violate the i2c repeated start timing. The I2C standard requires a minimum of 4.7us for the repeated start condition whereas the I2C controller of the Armada XP this time is 2.9us. So this patch adds a 5us delay for the start case only if the the compatible i2c-mv78230 is set. Based on the initals patches from Zbigniew Bodek Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Signed-off-by: Zbigniew Bodek <zbb@semihalf.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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