diff mbox series

[1/3] wifi: rtw89: 8852c: L1 DMA reset has offloaded to FW

Message ID 20220912071706.13619-2-pkshih@realtek.com
State New
Headers show
Series wifi: rtw89: some fixes of PCI code | expand

Commit Message

Ping-Ke Shih Sept. 12, 2022, 7:17 a.m. UTC 
From: Zong-Zhe Yang <kevin_yang@realtek.com>

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 <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/pci.c | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Kalle Valo Sept. 19, 2022, 10:03 a.m. UTC | #1 
Ping-Ke Shih <pkshih@realtek.com> wrote:

> From: Zong-Zhe Yang <kevin_yang@realtek.com>
> 
> 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 <kevin_yang@realtek.com>
> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>

3 patches applied to wireless-next.git, thanks.

6ff178792907 wifi: rtw89: 8852c: L1 DMA reset has offloaded to FW
52f127054bf0 wifi: rtw89: correct enable functions of HCI/PCI DMA
5280e4813a3d wifi: rtw89: pci: concentrate control function of TX DMA channel
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index d2cbe0468cd78..2c59ae06e4db9 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);