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authorFelix Fietkau <nbd@openwrt.org>2012-04-13 00:35:58 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-04-16 22:19:28 +0400
commitb381fa3229a30f6d7b0e6053314c4a5378c9389d (patch)
treedc699d531cc66394aa658ae458fc0545e5e56a7b /drivers/net/wireless/ath/ath9k/beacon.c
parent7b27ba4e9c8053ca73e2b21ece804f7e80c07ba3 (diff)
downloadlinux-b381fa3229a30f6d7b0e6053314c4a5378c9389d.tar.xz
ath9k: optimize the hardware hang check
Since it's only called when beacons are stuck, move it to the SWBA handler tasklet, to avoid doing redundant checks on every single interrupt. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/beacon.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index 626418222c85..df5b6acd805f 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -369,6 +369,9 @@ void ath_beacon_tasklet(unsigned long data)
if (ath9k_hw_numtxpending(ah, sc->beacon.beaconq) != 0) {
sc->beacon.bmisscnt++;
+ if (!ath9k_hw_check_alive(ah))
+ ieee80211_queue_work(sc->hw, &sc->hw_check_work);
+
if (sc->beacon.bmisscnt < BSTUCK_THRESH * sc->nbcnvifs) {
ath_dbg(common, BSTUCK,
"missed %u consecutive beacons\n",