From: Mark A. Greer <mgreer@animalcreek.com>
Date: Tue, 23 Sep 2014 23:38:07 +0000 (-0700)
Subject: NFC: digital: Enforce NFC-DEP PNI sequencing
X-Git-Tag: omap-for-v3.20/drop-legacy-3517~122^2~28^2~16^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=485fdc9bb6f81d68aa30b399b9bc33cf27d65ba4;p=pandora-kernel.git

NFC: digital: Enforce NFC-DEP PNI sequencing

NFC-DEP DEP_REQ and DEP_RES exchanges using 'I'
and 'ACK/NACK' PDUs have a sequence number called
the Packet Number Information (PNI).  The PNI
is incremented (modulo 4) after every DEP_REQ/
DEP_RES pair and should be verified by the digital
layer code.  That verification isn't always done,
though, so add code to make sure that it is done.

Reviewed-by: Thierry Escande <thierry.escande@linux.intel.com>
Tested-by: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

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