From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Tue, 31 Mar 2015 06:02:15 +0000 (+0200)
Subject: NFC: st21nfcb: Retry i2c_master_send if it returns a negative value
X-Git-Tag: omap-for-v4.2/o2_dc~131^2~44^2~12
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4a41d10b2cb5890aeda6b2912973b2a754b05b1;p=pandora-kernel.git

NFC: st21nfcb: Retry i2c_master_send if it returns a negative value

i2c_master_send may return many negative values different than
-EREMOTEIO.
In case an i2c transaction is NACK'ed, on raspberry pi B+
kernel 3.18, -EIO is generated instead.

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