linux-kernel - Re: [PATCH 1/1] wifi: mt76: mt7921: Add a new VID/PID 0b48/7922 for MT7922

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Date:   Wed, 1 Nov 2023 15:26:46 +0000
From:   Tom Waldron <tom@...emetal.dev>
To:     Lorenzo Bianconi <lorenzo@...nel.org>
Cc:     linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH 1/1] wifi: mt76: mt7921: Add a new VID/PID 0b48/7922 for MT7922

PCI VID 0x0b48 doesn't appear to be listed anywhere I can find, though
a website named pcilookup.com suggests it belongs to TechnoTrend AG. I
think it's more likely to be part of AMD RZ600 series - rebranded
mediatek devices. Not sure how any of this might be verified.

On Wed, 1 Nov 2023 at 15:00, Lorenzo Bianconi <lorenzo@...nel.org> wrote:
>
> > Add VID/PID 0b48/7922 for MediaTek MT7922 wifi chip.
> > Change tested on Redmi Book Pro 15 2023 (Fedora 38).
> >
> > Signed-off-by: Tom Waldron <tom@...emetal.dev>
> > ---
> >  drivers/net/wireless/mediatek/mt76/mt7921/pci.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
> > index 3dda84a93..ba805cb02 100644
> > --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
> > +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
> > @@ -21,6 +21,8 @@ static const struct pci_device_id mt7921_pci_device_table[] = {
> >               .driver_data = (kernel_ulong_t)MT7921_FIRMWARE_WM },
> >       { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x0616),
> >               .driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
> > +     { PCI_DEVICE(0x0b48, 0x7922),
> > +             .driver_data = (kernel_ulong_t)MT7922_FIRMWARE_WM },
>
> is PCI VID 0x0b48 PCI_VENDOR_ID_ITTIM?
>
> Regards,
> Lorenzo
>
> >       { },
> >  };
> >
> > --
> > 2.41.0
> >