Regression: bcm4312 lp-phy device not working in 4.17-rc5 kernel

["Michael Büsch" <m@bues.ch>]

On Mon, 14 May 2018 19:55:39 +0200
Michael B?sch <m@bues.ch> wrote:

> On Mon, 14 May 2018 18:49:53 +0100
> Chris Vine <vine35792468@gmail.com> wrote:
> 
> > I have an old netbook with a Broadcom bcm4312 802.11b/g lp-phy
> > [14e4:4315] (rev 01) wifi device.  This works up to and including the
> > 4.16 kernel, but not with 4.17-rc5.
> > 
> > The b43, mac80211, cfg80211, ssb and mmc_core modules are loaded OK, as
> > is the firmware, and the wlan0 interface will come up, but any attempt
> > to use the interface fails and it cannot (for example) scan.
> > 
> > No useful error messages are given.  The interface (wlan0) is just
> > reported as not being ready.  
> 
> Hi,
> 
> thanks for your report.
> 
> Can you please provide all kernel log messages anyway?
> And what does "not ready" mean exactly?
> 
> It would be extremely helpful if you'd do a git bisect to find the
> commit that broke it.
> 

Ok, I just noticed that mainline still contains the ssb breakage.

So you are most likely hitting this:
https://patchwork.kernel.org/patch/10393729/


-- 
Michael
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