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rtw89: 8852c: modify PCIE prebkf time

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Prebkf time is to inform generating tx command if remaining backoff
time less than this setting value.
It might cause SER if generating tx command early in security mode.

Signed-off-by: Chia-Yuan Li <leo.li@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220704023453.19935-6-pkshih@realtek.com
This commit is contained in:
Chia-Yuan Li 2022-07-04 10:34:52 +08:00 committed by Kalle Valo
parent 8676031bae
commit 60b2ede9dd
1 changed files with 11 additions and 1 deletions
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12
drivers/net/wireless/realtek/rtw89/mac.c
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@ -1747,6 +1747,7 @@ static int scheduler_init(struct rtw89_dev *rtwdev, u8 mac_idx)
{
u32 ret;
u32 reg;
u32 val;
ret = rtw89_mac_check_mac_en(rtwdev, mac_idx, RTW89_CMAC_SEL);
if (ret)
@ -1764,7 +1765,16 @@ static int scheduler_init(struct rtw89_dev *rtwdev, u8 mac_idx)
rtw89_write32_clr(rtwdev, reg, B_AX_BTCCA_EN);
reg = rtw89_mac_reg_by_idx(R_AX_PREBKF_CFG_0, mac_idx);
rtw89_write32_mask(rtwdev, reg, B_AX_PREBKF_TIME_MASK, SCH_PREBKF_24US);
if (rtwdev->chip->chip_id == RTL8852C) {
val = rtw89_read32_mask(rtwdev, R_AX_SEC_ENG_CTRL,
B_AX_TX_PARTIAL_MODE);
if (!val)
rtw89_write32_mask(rtwdev, reg, B_AX_PREBKF_TIME_MASK,
SCH_PREBKF_24US);
} else {
rtw89_write32_mask(rtwdev, reg, B_AX_PREBKF_TIME_MASK,
SCH_PREBKF_24US);
}
return 0;
}