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Re: [PATCH] Fix the bcm43xx driver breakage in 2.6.24/25.

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On Friday 29 February 2008 21:54:00 Ingo Molnar wrote:
> 
> * Michael Buesch <mb@xxxxxxxxx> wrote:
> 
> > On Friday 29 February 2008 09:21:19 Andrew Morton wrote:
> > > On Sat, 23 Feb 2008 16:17:55 +0300 Alexey Zaytsev <alexey.zaytsev@xxxxxxxxx> wrote:
> > > 
> > > > Theese two patches fix a problem instroduced in Linux 2.6.24, and
> > > > still present in the current Linus' 2.6.25 tree.
> > > > 
> > > > The bcm43xx Wifi driver won't work any more, if the b44 Ethernet
> > > > driver is enabled. This happens because the b44 driver
> > > > needlessly enables the b43_pci_bridge code, which claims
> > > > the same pci ids as the bcm43xx driver. The b43_pci_bridge
> > > > code is needed for the b43{legacy} drivers, but for the
> > > > b44, only the "ssb pci core" is needed.
> > > 
> > > Hate to stick my head into this beehive, but...
> > > 
> > > I have a patch queued (the-scheduled-bcm43xx-removal.patch) which 
> > > will remove this driver from 2.6.26.
> > > 
> > > Is that bad?
> > 
> > Not at all. The b43 driver from 2.6.26 will work. So there's no reason 
> > to keep bcm43xx. Alexey just tested a patch that backports the fix to 
> > 2.6.24 and it works fine.
> 
> yeah, i'd support the removal of it too, if the transition is smooth and 
> the regressions are resolved. And it should be smooth, as long as users 
> are able to load the firmware blob, right? There's also an entry for it 

As far as I can see, yes. The b43 driver is pretty mature these days.
It does base on the codebase of the bcm43xx driver and the most intrusive
changes date back over a year ago. The driver got lots of testing in the
meantime.
I do own the most common device flavours (except the 4311. So if somebody
has one do donate.. :) ) and I don't see any regressions.

Most "regressions" come from people not installing the updated firmware.
But that's an issue we simply cannot solve in the driver.

Of course, as I always said, if some last-minute regression appears, we
will defer the bcm43xx removal. So I hope I'm not _really_ the worst
maintainer ever, although I try hard to, when it comes to patches I
really dislike. ;)

-- 
Greetings Michael.
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