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From:   Alex Dewar <alex.dewar90@gmail.com>
Date:   Sun, 17 Jan 2021 20:29:36 +0000
To:     Geoffrey Mon <mail@geofbot.com>
Cc:     Alex Dewar <alex.dewar90@gmail.com>, linux-wireless@vger.kernel.org
Subject: Re: How to port rtl8xxxu to new device...?
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 <20210117191434.GA688839@jumping-cholla>
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On Sun, Jan 17, 2021 at 02:14:34PM -0500, Geoffrey Mon wrote:
> On Sun, Jan 17, 2021 at 05:55:33PM +0000, Alex Dewar wrote:
> > Hi all,
> >
> > I'm currently trying to port the rtl8xxxu driver to RTL8822u chips (one
> > of which I own), but I'm finding it hard to figure out where to start
> > and I figured that some wiser minds could maybe help steer me in the
> > right direction.
> >
> Hi Alex,
> 
> I am not very knowledgeable since I've only just started looking into adding
> support for some older Realtek USB adapters, but another starting point for
> adding rtl8822bu support might be the rtw88 driver, which is specifically
> built for rtl88xx chips and which has support for rtl8822be (which uses PCIe);
> in principle a lot of code can be shared between 8822b{e,u}. However, although
> rtw88 includes some structure to support USB devices in the future, this support
> hasn't been added yet. There is at least one project[0] that I've come across
> trying to add that support. I'm not sure how active this project is but it does
> look like they have some work in progress for rtl8822bu.

This was really helpful. Thanks!

The project seems somewhat up to date (although I did get a hard lockup
when I tried to use it...), but it definitely seems a useful avenue to
go down.

Best,
Alex

> 
> Best,
> Geoffrey
> 
> [0] https://github.com/ulli-kroll/rtw88-usb