diff options
| author | Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com> | 2011-12-28 19:09:54 +0530 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-01-04 14:31:46 -0500 |
| commit | 98f0a5eb02bbfff662664bf65f469dc4abd701fd (patch) | |
| tree | 6a8f8fecd18ce83036f6d4cac4b8a7aa1f4e6593 /drivers/net/wireless/ath/ath9k/beacon.c | |
| parent | 7fbaf3efb042871fce7c9cd706cf9f90d61b5e59 (diff) | |
ath9k: tx queue enable is read only for EDMA chipsets
for EDMA chip AR_Q_TXE (tx enable for each queue) is read only
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
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.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 dc5fd569690..b8967e482e6 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); |