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iwl3945: fix wakeup interrupt
authorStanislaw Gruszka <sgruszka@redhat.com>
Wed, 19 Feb 2014 08:15:09 +0000 (09:15 +0100)
committerJohn W. Linville <linville@tuxdriver.com>
Mon, 24 Feb 2014 20:21:55 +0000 (15:21 -0500)
commit59f01183a7846c1621a23dd88182f5a890f38717
treeaa3655fd0c61a9d62309822253d0e2d0fd20116etree
parente3c91683b5c6498df19e5fba51fdb61fef5f4227commit | diff
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>
drivers/net/wireless/iwlegacy/3945-mac.c diff | blob | blame | history
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