linux-kernel - Re: B43 driver no longer works in Linux 4.15 (bisected)

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Message-ID: <20180205183324.GD8479@saruman>
Date:   Mon, 5 Feb 2018 18:33:25 +0000
From:   James Hogan <jhogan@...nel.org>
To:     Adric Blake <promarbler14@...il.com>
Cc:     m@...s.ch, linux-wireless@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kalle Valo <kvalo@...eaurora.org>
Subject: Re: B43 driver no longer works in Linux 4.15 (bisected)

Hi Adric,

On Mon, Feb 05, 2018 at 01:23:31PM -0500, Adric Blake wrote:
> In the time between Linux 4.15-rc8 and -rc9, my wireless driver, b43,
> would no longer load automatically. When I modprobe the b43 (and ssb)
> modules, the device still didn't appear in NetworkManager. Comparing
> the kernel logs between working (4.14.16-lts) and nonworking (4.15)
> kernels reveals that there is zero output from the ssb module, and no
> devices recognized by the b43 driver:

...

> I had my suspicions at this point, but I had a lull and decided to
> bisect it anyways.
> I bisected to this "first bad commit:"
> 
> commit 58eae1416b804d900014d84feadda7195007cc30
> Author: James Hogan <jhogan@...nel.org>
> Date:   Mon Jan 15 21:17:14 2018 +0000
> 
>     ssb: Disable PCI host for PCI_DRIVERS_GENERIC

Yes, really sorry about that and thanks for going to the effort of
bisecting. There is a patch here:
https://patchwork.kernel.org/patch/10185397/

which is applied to linux-next as commit
a9e6d44ddeccd3522670e641f1ed9b068e746ff7, and is tagged for stable,
though I've just noticed the stable email address is incorrect... I'll
make sure it gets applied to the 4.15 stable branch though as soon as
I notice its merged.

Thanks
James

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