From: Marek Vasut <marex@denx.de>
Date: Sun, 29 Sep 2013 23:23:55 +0000 (+0200)
Subject: i2c: mxs: Fix PIO mode on i.MX23
X-Git-Tag: v3.13-rc1~43^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19e221bed222bbcaa0436265028de3346df89024;p=pandora-kernel.git

i2c: mxs: Fix PIO mode on i.MX23

The i.MX23 I2C controller is also capable of PIO, but needs a little harder
push to behave. The controller needs to be reset after every PIO/DMA operation
for some reason, otherwise in rare cases, the controller can hang or emit
bytes onto the bus.

Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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