2022-09-27 06:31:40

by Ping-Ke Shih

[permalink] [raw]
Subject: [PATCH v2 6/9] wifi: rtw89: pci: set power cut closed for 8852be

Entering LPS with PCIe APHY power cut closed would cause PCIe link issue.
To avoid the combinational issue, keep PCIe APHY power cut always on.

Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw89/pci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index b52edf2cf7434..5f8e19639362d 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -2099,7 +2099,7 @@ static u32 rtw89_pci_l2_rxen_lat(struct rtw89_dev *rtwdev)

static void rtw89_pci_aphy_pwrcut(struct rtw89_dev *rtwdev)
{
- if (rtwdev->chip->chip_id != RTL8852A)
+ if (rtwdev->chip->chip_id != RTL8852A && rtwdev->chip->chip_id != RTL8852B)
return;

rtw89_write32_clr(rtwdev, R_AX_SYS_PW_CTRL, B_AX_PSUS_OFF_CAPC_EN);
--
2.25.1