wifi: rtw89: Disable deep power saving for USB/SDIO

Disable deep power saving for USB and SDIO because rtw89_mac_send_rpwm()
is called in atomic context and accessing hardware registers results in
"scheduling while atomic" errors.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/0f49eceb-0de0-47e2-ba36-3c6a0dddd17d@gmail.com

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 1f5639a5d1663239585306b38666205ec05cf60d..fe6b19a078c58d2cb7a21f01f7a6c97a62780f30 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -2884,6 +2884,9 @@ static enum rtw89_ps_mode rtw89_update_ps_mode(struct rtw89_dev *rtwdev)
 {
        const struct rtw89_chip_info *chip = rtwdev->chip;
 
+       if (rtwdev->hci.type != RTW89_HCI_TYPE_PCIE)
+               return RTW89_PS_MODE_NONE;
+
        if (rtw89_disable_ps_mode || !chip->ps_mode_supported ||
            RTW89_CHK_FW_FEATURE(NO_DEEP_PS, &rtwdev->fw))
                return RTW89_PS_MODE_NONE;