Commit 60b2ede9 authored by Chia-Yuan Li's avatar Chia-Yuan Li Committed by Kalle Valo
Browse files

rtw89: 8852c: modify PCIE prebkf time 



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: default avatarChia-Yuan Li <leo.li@realtek.com>
Signed-off-by: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220704023453.19935-6-pkshih@realtek.com
parent 8676031b

drivers/net/wireless/realtek/rtw89/mac.c

+11 −1
Original line number Diff line number Diff line
@@ -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;

}