From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
for EDMA chip AR_Q_TXE (tx enable for each queue) is read only
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/beacon.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index dc5fd56..b8967e4 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -356,6 +356,7 @@ void ath_beacon_tasklet(unsigned long data)
struct ath_buf *bf = NULL;
struct ieee80211_vif *vif;
struct ath_tx_status ts;
+ bool edma = !!(ah->caps.hw_caps & ATH9K_HW_CAP_EDMA);
int slot;
u32 bfaddr, bc = 0;
@@ -456,10 +457,12 @@ void ath_beacon_tasklet(unsigned long data)
if (bfaddr != 0) {
/* NB: cabq traffic should already be queued and primed */
ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bfaddr);
- ath9k_hw_txstart(ah, sc->beacon.beaconq);
+
+ if (!edma)
+ ath9k_hw_txstart(ah, sc->beacon.beaconq);
sc->beacon.ast_be_xmit += bc; /* XXX per-vif? */
- if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+ if (edma) {
spin_lock_bh(&sc->sc_pcu_lock);
ath9k_hw_txprocdesc(ah, bf->bf_desc, (void *)&ts);
spin_unlock_bh(&sc->sc_pcu_lock);
--
1.7.0.4
--
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