wifi: mt76: mt792x: add MT7927 WFSYS reset support

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Add a dedicated MT7927 WFSYS reset path in mt792x_wfsys_reset().

Unlike the existing connac2/connac3 reset flow that toggles the WFSYS
software reset bit and waits for init-done, MT7927 reset is driven
through CBInfra and requires polling ROMCODE_INDEX until the MCU returns
to the idle value after reset.

Keep this dormant for now: no MT7927 PCI IDs are added by this patch, so
it only prepares the reset logic without making the driver bind to MT7927
hardware yet.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/20260425195011.790265-14-sean.wang@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>

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This commit is contained in:

Sean Wang 2026-04-25 14:50:03 -05:00 • committed by Felix Fietkau

parent 04222f9803

commit c08ffdaf32

2 changed files with 67 additions and 1 deletions

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57

drivers/net/wireless/mediatek/mt76/mt792x_dma.c

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11

drivers/net/wireless/mediatek/mt76/mt792x_regs.h

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