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ath9k: wake hardware for interface IBSS/AP/Mesh removal

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commit 5f70a88f63 upstream.

When we remove a IBSS/AP/Mesh interface we stop DMA
but to do this we should ensure hardware is on. Awaken
the device prior to these calls. This should ensure
DMA is stopped upon suspend and plain device removal.

Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Luis R. Rodriguez
2009-12-23 20:03:28 -05:00
committed by Greg Kroah-Hartman
parent d5086b90c5
commit 0ebbdd734f
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/ath/ath9k/main.c
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@@ -2277,8 +2277,10 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
ath9k_ps_wakeup(sc);
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
ath_beacon_return(sc, avp);
ath9k_ps_restore(sc);
}
sc->sc_flags &= ~SC_OP_BEACONS;