| Message ID | 20220824063312.15784-2-pkshih@realtek.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/2] wifi: rtw89: pci: fix interrupt stuck after leaving low power mode | expand |
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 8a093e1cb328e..7bb1b494c5d15 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -926,10 +926,12 @@ u32 __rtw89_pci_check_and_reclaim_tx_resource_noio(struct rtw89_dev *rtwdev, { struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv; struct rtw89_pci_tx_ring *tx_ring = &rtwpci->tx_rings[txch]; + struct rtw89_pci_tx_wd_ring *wd_ring = &tx_ring->wd_ring; u32 cnt; spin_lock_bh(&rtwpci->trx_lock); cnt = rtw89_pci_get_avail_txbd_num(tx_ring); + cnt = min(cnt, wd_ring->curr_num); spin_unlock_bh(&rtwpci->trx_lock); return cnt;
Number of TX resource must be minimum of TX_BD and TX_WD. Only considering TX_BD could drop TX packets pulled from mac80211 if TX_WD is unavailable. Fixes: 52edbb9fb78a ("rtw89: ps: access TX/RX rings via another registers in low power mode") Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> --- drivers/net/wireless/realtek/rtw89/pci.c | 2 ++ 1 file changed, 2 insertions(+)