From 6ff178792907198d7c800fe1cc447ba212a778df Mon Sep 17 00:00:00 2001 From: Zong-Zhe Yang Date: Mon, 12 Sep 2022 15:17:04 +0800 Subject: 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: Zong-Zhe Yang Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220912071706.13619-2-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/pci.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/net/wireless/realtek') diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index d2cbe0468cd7..2c59ae06e4db 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -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); -- cgit v1.2.3