diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-08-24 09:33:12 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-09-02 11:37:03 +0300 |
| commit | 4a29213cd775cabcbe395229d175903accedbb9d (patch) | |
| tree | ab5e48955ee9068a002bd469daef5d07ae3c3608 /drivers | |
| parent | b7e715d3dcd2e9fa3a689ba0dd7ab85f8aaf6e9a (diff) | |
| download | linux-4a29213cd775cabcbe395229d175903accedbb9d.tar.xz | |
wifi: rtw89: pci: correct TX resource checking in low power mode
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>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220824063312.15784-2-pkshih@realtek.com
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 65468c5e1612..d2cbe0468cd7 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; |