From: Eric Bénard <eric@eukrea.com>
Date: Wed, 9 Mar 2011 18:24:49 +0000 (+0100)
Subject: n_gsm: fix UIH control byte : P bit should be 0
X-Git-Tag: v2.6.39-rc1~470^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed43b47b29bce303f86e1bff69b6f9924f5afcc4;p=pandora-kernel.git

n_gsm: fix UIH control byte : P bit should be 0

* the GSM 07.10 specification says in 5.4.3.1 that
'both stations shall set the P bit to 0'
  thanks to Alan Cox for finding this explanation in the spec

* without this fix, on Telit & Sim.com modems, opening a new DLC
randomly fails. Not setting PF bit of the control byte gives a
reliable behaviour on these modems.

Signed-off-by: Eric Bénard <eric@eukrea.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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