ath9k: do not call ath9k_hw_txprocdesc on AR9003 outside of the tx tasklet
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>
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 02e95c8..cc2535c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2300,6 +2300,7 @@
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 @@
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;