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authorMohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>2011-12-28 14:39:54 +0100
committerJohn W. Linville <linville@tuxdriver.com>2012-01-04 20:31:46 +0100
commit98f0a5eb02bbfff662664bf65f469dc4abd701fd (patch)
tree6a8f8fecd18ce83036f6d4cac4b8a7aa1f4e6593
parentrt2x00: Change RF3853 to RF3053. (diff)
downloadlinux-98f0a5eb02bbfff662664bf65f469dc4abd701fd.tar.xz
linux-98f0a5eb02bbfff662664bf65f469dc4abd701fd.zip
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>
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c7
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 dc5fd569690f..b8967e482e6e 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);