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ath9k: do not call ath9k_hw_txprocdesc on AR9003 outside of the tx tasklet

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Since AR9003 uses a global tx status queue, processing tx status outside of
the regular tx tasklet is dangerous and messes up hardware/software
synchronization of tx status events.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2012-02-27 19:58:40 +01:00 committed by John W. Linville
parent d6157bf780
commit 4286df60ed
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/ath/ath9k/main.c
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@ -2300,6 +2300,7 @@ static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
struct ath_vif *avp;
struct ath_buf *bf;
struct ath_tx_status ts;
bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
int status;
vif = sc->beacon.bslot[0];
@ -2310,7 +2311,7 @@ static int ath9k_tx_last_beacon(struct ieee80211_hw *hw)
if (!avp->is_bslot_active)
return 0;
if (!sc->beacon.tx_processed) {
if (!sc->beacon.tx_processed && !edma) {
tasklet_disable(&sc->bcon_tasklet);
bf = avp->av_bcbuf;