Commit 6ff17879 authored by Zong-Zhe Yang's avatar Zong-Zhe Yang Committed by Kalle Valo
Browse files

wifi: rtw89: 8852c: L1 DMA reset has offloaded to FW 



For 8852C, rtw89_pci_lv1rst_stop_dma() and rtw89_pci_lv1rst_start_dma()
are offloaded to FW L1 reset flow. So, driver no longer needs to do them.

Signed-off-by: default avatarZong-Zhe Yang <kevin_yang@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/20220912071706.13619-2-pkshih@realtek.com
parent 3004a0a4

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

+6 −0
Original line number Diff line number Diff line
@@ -3520,6 +3520,9 @@ static int rtw89_pci_lv1rst_stop_dma(struct rtw89_dev *rtwdev) 
	u32 val, dma_rst = 0;

	int ret;



	if (rtwdev->chip->chip_id == RTL8852C)

		return 0;



	rtw89_pci_ctrl_dma_all_pcie(rtwdev, MAC_AX_FUNC_DIS);

	ret = rtw89_pci_poll_io_idle(rtwdev);

	if (ret) {
@@ -3575,6 +3578,9 @@ static int rtw89_pci_lv1rst_start_dma(struct rtw89_dev *rtwdev) 
{

	u32 ret;



	if (rtwdev->chip->chip_id == RTL8852C)

		return 0;



	rtw89_pci_ctrl_hci_dma_en(rtwdev, MAC_AX_FUNC_DIS);

	rtw89_pci_ctrl_hci_dma_en(rtwdev, MAC_AX_FUNC_EN);

	rtw89_pci_clr_idx_all(rtwdev);