Re: Abour linux driver supports BCM4325

[Michael Buesch <mb@bu3sch.de>]

On Sunday 23 August 2009 11:13:50 Johannes Berg wrote:
> On Sat, 2009-08-22 at 21:59 -0500, Larry Finger wrote:
> > feng tian wrote:
> > > Thank you for the information.
> > > I get your point. As for the radio and phy driver, I think it's  some
> > > command based configurations for the chip via SDIO. And that I can
> > > refer to the BCM 43xx PCI driver codes.
> > > Wonder if it's feasible. Needs your comments.
> > > Thanks
> > 
> > The first step is to be able to read/write the various registers via
> > SDIO. That will be similar to the PCI operations. The next step is
> > knowing what to read/write and when. We are still working that out for
> > PCI. It is not trivial. See the recent postings of patches for the LP
> > pHY in the linux-wireless mailing list. These are _NOT_ complete.
> 
> Right.
> 
> You have two completely orthogonal problems:
> 
>  1) changing b43 so it knows how to talk not just to SSB/PCI/PCMCIA
>     chips but also SDIO chips

We already have working support for that and we're currently merging it mainline.
If you want to help, please test the spinlock removal patchset I just posted.

>  2) changing b43 so it knows how to talk to your specific radio/PHY
>     chip, and LP PHY

Also almost working and in the progress of merging mainline.

-- 
Greetings, Michael.