diff options
| author | Luis R. Rodriguez <lrodriguez@atheros.com> | 2010-10-26 22:27:23 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-11-15 18:24:44 (GMT) |
| commit | 9d94674ab754be0e275120a183670ead435f9c0d (patch) | |
| tree | fea71c005c3af1e76c47405afeda262f49df9463 /drivers/net/wireless/ath/ath9k/xmit.c | |
| parent | 5d4c428254f73bae272be9d296724b1ee09d76ec (diff) | |
| download | linux-fsl-qoriq-9d94674ab754be0e275120a183670ead435f9c0d.tar.xz | |
ath9k: simplify hw reset locking
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/xmit.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index f2ade24..e662eca 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1148,13 +1148,13 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) ath_print(common, ATH_DBG_FATAL, "Failed to stop TX DMA. Resetting hardware!\n"); - spin_lock_bh(&sc->sc_resetlock); + spin_lock_bh(&sc->rx.pcu_lock); r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false); if (r) ath_print(common, ATH_DBG_FATAL, "Unable to reset hardware; reset status %d\n", r); - spin_unlock_bh(&sc->sc_resetlock); + spin_unlock_bh(&sc->rx.pcu_lock); } for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) { |