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wifi: rtw89: ser: Wi-Fi 7 reset HALT C2H after reading it

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When a SER (system error recovery) interrupt happens, driver reads HALT C2H
register to get the error status via MAC. For Wi-Fi 7 chipset, driver needs
to reset HALT C2H register after reading it to make FW aware that.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260213061552.29997-12-pkshih@realtek.com
This commit is contained in:
Zong-Zhe Yang 2026-02-13 14:15:51 +08:00 committed by Ping-Ke Shih
parent a72de4d459
commit 0cae26a78b
1 changed files with 6 additions and 1 deletions
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7
drivers/net/wireless/realtek/rtw89/mac.c
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@ -814,6 +814,7 @@ static bool rtw89_mac_suppress_log(struct rtw89_dev *rtwdev, u32 err)
u32 rtw89_mac_get_err_status(struct rtw89_dev *rtwdev)
{
const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
const struct rtw89_chip_info *chip = rtwdev->chip;
u32 err, err_scnr;
int ret;
@ -836,11 +837,15 @@ u32 rtw89_mac_get_err_status(struct rtw89_dev *rtwdev)
err = MAC_AX_ERR_RXI300;
if (rtw89_mac_suppress_log(rtwdev, err))
return err;
goto bottom;
rtw89_fw_st_dbg_dump(rtwdev);
mac->dump_err_status(rtwdev, err);
bottom:
if (chip->chip_gen != RTW89_CHIP_AX)
rtw89_write32(rtwdev, R_AX_HALT_C2H, 0);
return err;
}
EXPORT_SYMBOL(rtw89_mac_get_err_status);