[PATCH v5 7/8] mt76: mt7915: set VTA bit in tx descriptor

Shayne Chen shayne.chen at mediatek.com
Fri Oct 1 02:53:54 PDT 2021


The VTA (Valid for Txd Arrival time) bit should be set in tx descriptor,
which is necessary for WM fw to schedule SPL (station priority list)
normally before generating txcmd.
If it's not set, some unexpected wcids may be involved in SPL.

Suggested-by: Nelson Chang <nelson.chang at mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 5e29707a5464..39c3abad4b1e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -1067,7 +1067,7 @@ void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
 	      FIELD_PREP(MT_TXD0_Q_IDX, q_idx);
 	txwi[0] = cpu_to_le32(val);
 
-	val = MT_TXD1_LONG_FORMAT |
+	val = MT_TXD1_LONG_FORMAT | MT_TXD1_VTA |
 	      FIELD_PREP(MT_TXD1_WLAN_IDX, wcid->idx) |
 	      FIELD_PREP(MT_TXD1_OWN_MAC, omac_idx);
 
-- 
2.25.1




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