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ath9k: simplify hw reset locking

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The new PCU lock is better placed so we can just contend
against that when trying to reset hardware.

This is part of a series of patches which fix stopping
TX DMA completley when requested on the driver.
For more details about this issue refer to this thread:

http://marc.info/?l=linux-wireless&m=128629803703756&w=2

Tested-by:  Ben Greear <greearb@candelatech.com>
Cc: Kyungwan Nam <kyungwan.nam@atheros.com>
Cc: stable@kernel.org
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Luis R. Rodriguez
2010-10-26 15:27:23 -07:00
committed by John W. Linville
parent 5d4c428254
commit 9d94674ab7
4 changed files with 8 additions and 20 deletions
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drivers/net/wireless/ath/ath9k/init.c
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@@ -580,7 +580,6 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
spin_lock_init(&common->cc_lock);
spin_lock_init(&sc->wiphy_lock);
spin_lock_init(&sc->sc_resetlock);
spin_lock_init(&sc->sc_serial_rw);
spin_lock_init(&sc->sc_pm_lock);
mutex_init(&sc->mutex);