Hi Rudraksha,

On Mon, Jan 12, 2026 at 10:42:26PM -0800, Rudraksha Gupta via B4 Relay wrote:

From: Ondrej Jirman <megi@xff.cz>

Wifi is currently unusable if interrupts are defined. Let's remove them
so that Wifi networks are actually discoverable.

Co-developed-by: Martijn Braam <redacted>
Signed-off-by: Martijn Braam <redacted>
Co-developed-by: Kamil Trzciński <redacted>
Signed-off-by: Kamil Trzciński <redacted>

^^ these lines are incorrect and the patch is not meant for upstreaming, really.

I think whether OOB interrupts work or not on PPP may be a function of
what FW and firmware config file is used. 

So eg. in brcmfmac43455-sdio.pine64,pinephone-pro.txt you can have settings
like:

# OOB IRQ settings -- next 3 "sd" parameters uncommented for OOB IRQ. Edge sensitive interrupt via WL_HOST_WAKE line.
#muxenab=0x10
#sd_gpout=0
#sd_oobonly=1
#sd_gpval=1

That affect OOB interrupt behavior. So FW config needs to match kernel DT
and vice versa.

My FW config does not set any of these options, so I disabled the OOB interrupt
in DT, too. Better option may be to upstream NVRAM config file to
linux-firmware. But I don't think anyone has any idea which file is correct,
and satisfies regulatory requirements.

I guess adding muxenab=0x10 would fix this, since that's what Pinebook Pro uses
and it has the same WiFi chip and similar design, and OOB interrupts work there.

Best regards,
	o.