Re: SM501 framebuffer driver

[Ben Dooks <ben-linux@fluff.org>]

On Fri, Oct 06, 2006 at 11:11:46AM -0500, Bill Gatliff wrote:
> Guys:
> 
> 
> Sorry about starting a new thread, but I was referred to this 
> list/thread by a colleague just a few minutes ago.  (OT: it isn't in the 
> archives in SF, either!).
> 
> I hate to play "me too!", but I also have an SM501 framebuffer driver in 
> a partial state of development.  I'd love to collaborate with others to 
> get a good version pushed upstream.
> 
> One of the challenges I've encountered with this chip is dealing with 
> all the "other stuff" it has onboard.  In my driver, I addressed that by 
> creating a whole new bus similar to what Nico did for the UCB1400.  I 
> was in the process of getting AC97 working when I figured out that that 
> part of the chip is so braindead, it isn't worth using--- at least on 
> ARM platforms that don't have DMA (which was my case).
> 
> In an upcoming project I need to use the USBH, so I'll be revisiting 
> this issue again soon.  I have also cc'd others who have worked with me 
> on this chip.
> 
> I'd be happy to post code if that makes sense.  Or to host a CVS repo or 
> something.

We have a solution based on an central device in drivers/mfd
which creates a set of sub-devices that are used by the invidicual
drivers

-- 
Ben (ben@fluff.org, http://www.fluff.org/)

  'a smiley only costs 4 bytes'

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