Re: [patch] fix ucb1x00 support on collie

From: Russell King
Date: Sun Aug 07 2005 - 09:10:09 EST


On Sun, Jul 31, 2005 at 04:42:45PM +0100, Russell King wrote:
> On Sun, Jul 31, 2005 at 03:46:17PM +0200, Pavel Machek wrote:
> > Collie is slightly strange; it does not seem to have proper ucb1x00
> > ID. With this patch, basic ucb support seems to work and I can get
> > interrupts from battery.
>
> Out of interest, what ID does it appear to have?
>
> > diff --git a/drivers/misc/mcp-sa1100.c b/drivers/misc/mcp-sa1100.c
> > --- a/drivers/misc/mcp-sa1100.c
> > +++ b/drivers/misc/mcp-sa1100.c
> > @@ -149,7 +149,7 @@ static int mcp_sa1100_probe(struct devic
> > !machine_is_graphicsmaster() && !machine_is_lart() &&
> > !machine_is_omnimeter() && !machine_is_pfs168() &&
> > !machine_is_shannon() && !machine_is_simpad() &&
> > - !machine_is_yopy())
> > + !machine_is_yopy() && !machine_is_collie())
>
> I think it's about time we did something better with this, like only
> registering the platform device on those which use it.
>
> > @@ -181,7 +187,10 @@ static int mcp_sa1100_probe(struct devic
> >
> > Ser4MCSR = -1;
> > Ser4MCCR1 = 0;
> > - Ser4MCCR0 = 0x00007f7f | MCCR0_ADM;
> > + if (machine_is_collie())
> > + Ser4MCCR0 = MCCR0_ADM | MCCR0_ExtClk;
> > + else
> > + Ser4MCCR0 = 0x00007f7f | MCCR0_ADM;
>
> And this setup should probably be passed as part of the platform device
> data.

Ok, new set of patches on the ftp site with the above two items resolved.
I've also moved it into drivers/mfd and linked that directory into kbuild.

Of course, the audio driver isn't expected to build without Nico's sa11x0
audio support.

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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