From: Stanislaw Gruszka <sgruszka@redhat.com>
Date: Wed, 19 Feb 2014 08:15:09 +0000 (+0100)
Subject: iwl3945: fix wakeup interrupt
X-Git-Tag: v3.15-rc1~113^2~159^2^2~116
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=59f01183a7846c1621a23dd88182f5a890f38717;p=pandora-kernel.git

iwl3945: fix wakeup interrupt

We have only 5 tx queues on 3945, updating il->txq[5] results in
writing random value to HBUS_TARG_WRPTR register.

Additionally use spin lock to protect txq->write_ptr and
txq->need_update fields also modified in TX path.

Tested-by: Pedro Francisco <pedrogfrancisco@gmail.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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