From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Thu, 24 Apr 2014 21:19:34 +0000 (+0200)
Subject: NFC: st21nfca: Synchronize i2c Tx and Rx path
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~36^2~122^2^2~18^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3c5d8fb7ffa8850f3d2fc01e1dde0709a3954f9;p=pandora-kernel.git

NFC: st21nfca: Synchronize i2c Tx and Rx path

Stabilize communication by using a mutex.
This avoids running a write transaction during a read retry or a read
transaction during a write retry.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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