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Date: Wed, 31 Jan 2018 10:03:46 +0000
From: James Hogan <james.hogan@mips.com>
To: Gabriel Paubert <paubert@iram.es>
CC: <linuxppc-dev@lists.ozlabs.org>
Subject: Re: Wifi (B43) broken on G4 PowerBooks with kernel v4.15
Message-ID: <20180131100345.GD21356@jhogan-linux.mipstec.com>
References: <20180131093730.ikmoawgh3mh2pxoy@lt-gp.iram.es>
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On Wed, Jan 31, 2018 at 10:37:30AM +0100, Gabriel Paubert wrote:
> 	Hi,
>=20
> yesterday I recompiled the kernel on my late 2005 G4 PowerBook, and the
> Wifi stopped working. After comparing the configuration is turns out
> that a change to a Kconfig condition disabled SSB support which is
> necessary for these chips.
>=20
> The graph of configuration options is quite messy, and I'm not sure that
> I fully understand it.
>=20
> Nevertheless the following patch fixes the regression, but there might
> be a better way to solve the problem.
>=20
> If you pick up this trivial patch as is, you may add:
>=20
> Signed-off-by: Gabriel Paubert <paubert@iram.es>
>=20
> diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
> index 71c7376..d189db6 100644
> --- a/drivers/ssb/Kconfig
> +++ b/drivers/ssb/Kconfig
> @@ -32,7 +32,7 @@ config SSB_BLOCKIO
> =20
>  config SSB_PCIHOST_POSSIBLE
>  	bool
> -	depends on SSB && (PCI =3D y || PCI =3D SSB) && PCI_DRIVERS_LEGACY
> +	depends on SSB && (PCI =3D y || PCI =3D SSB) && (PCI_DRIVERS_LEGACY || =
B43_SSB)
>  	default y
> =20
>  config SSB_PCIHOST
>=20

Yes, really sorry about that. There is a patch here:
https://patchwork.kernel.org/patch/10185397/

which is applied to linux-next as commit
a9e6d44ddeccd3522670e641f1ed9b068e746ff7.

Cheers
James

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