Re: [PATCH] ppc: detect sbc610 boards and only fixup nec usb onthem

[Benjamin Herrenschmidt]

Thanks, I applied Tony's patch and sent a pull request to Linus.

Cheers,
Ben.

On Wed, 2009-03-04 at 14:59 +1100, Tony Breeds wrote:
> On Tue, Mar 03, 2009 at 08:22:29PM -0500, Kyle McMartin wrote:
> > From: Kyle McMartin <kyle@xxxxxxxxxx>
> > 
> > Bug #486511 in Fedora, this is getting applied to any machine with a NEC
> > USB pci device if this CONFIG_GEF_SBC610 is on (as it was in Fedora.)
> > Obviously this isn't appropriate to do in any more than the SBC610
> > case..., so flag that we're a sbc610 board, and skip the fixup if we're
> > not.
> > 
> > (Fedora: Should fix USB on Mac G4/G5...)
> > 
> > Signed-off-by: Kyle McMartin <kyle@xxxxxxxxxx>
> > 
> > ---
> > diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
> > index fb371f5..54afda2 100644
> > --- a/arch/powerpc/platforms/86xx/gef_sbc610.c
> > +++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
> > @@ -51,6 +51,8 @@
> >  
> >  void __iomem *sbc610_regs;
> >  
> > +static int is_sbc610;
> 
> I came up with this as well, but used the machine_is() infrasturcture.
> 
> Subject: [PATCH] Run fixup code only on the appropriate platform.
> 
> commit a969e76a7101bf5f3d369563df1ca1253dd6131b (powerpc: Correct USB
> support for GE Fanuc SBC610) introduced a fixup for NEC usb controllers.
> This fixup should only run on GEF SBC610 boards.
> 
> Fixes Fedora bug #486511.
> (https://bugzilla.redhat.com/show_bug.cgi?id=486511)
> 
> Signed-off-by: Tony Breeds <tony@xxxxxxxxxxxxxxxxxx>
> ---
>  arch/powerpc/platforms/86xx/gef_sbc610.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
> index fb371f5..d6b772b 100644
> --- a/arch/powerpc/platforms/86xx/gef_sbc610.c
> +++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
> @@ -142,6 +142,10 @@ static void __init gef_sbc610_nec_fixup(struct pci_dev *pdev)
>  {
>  	unsigned int val;
>  
> +	/* Do not do the fixup on other platforms! */
> +	if (!machine_is(gef_sbc610))
> +		return;
> +
>  	printk(KERN_INFO "Running NEC uPD720101 Fixup\n");
>  
>  	/* Ensure ports 1, 2, 3, 4 & 5 are enabled */

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