Commit b71d3911 authored by YN Chen's avatar YN Chen Committed by Felix Fietkau
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mt76: mt7921s: update mt7921s_wfsys_reset sequence 



MT7921S firmware expects driver to clear out the firmware download state
before FW is downloaded again in WiFi reset procedure.

Co-developed-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarSean Wang <sean.wang@mediatek.com>
Signed-off-by: default avatarYN Chen <YN.Chen@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 898422c1

drivers/net/wireless/mediatek/mt76/mt7921/regs.h

+3 −0
Original line number Diff line number Diff line
@@ -454,6 +454,9 @@ 


#define MT_DMASHDL_SCHED_SET(_n)	MT_DMA_SHDL(0x070 + ((_n) << 2))



#define MT_CONN_STATUS			0x7c053c10

#define MT_WIFI_PATCH_DL_STATE		BIT(0)



#define MT_CONN_ON_LPCTL		0x7c060010

#define PCIE_LPCR_HOST_OWN_SYNC		BIT(2)

#define PCIE_LPCR_HOST_CLR_OWN		BIT(1)

drivers/net/wireless/mediatek/mt76/mt7921/sdio_mac.c

+2 −0
Original line number Diff line number Diff line
@@ -63,6 +63,8 @@ int mt7921s_wfsys_reset(struct mt7921_dev *dev) 
	clear_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state);



	/* activate mt7921s again */

	mt7921s_mcu_drv_pmctrl(dev);

	mt76_clear(dev, MT_CONN_STATUS, MT_WIFI_PATCH_DL_STATE);

	mt7921s_mcu_fw_pmctrl(dev);

	mt7921s_mcu_drv_pmctrl(dev);