On Wed, Nov 09, 2011 at 08:50:33AM -0600, Rob Herring wrote:
> On 11/09/2011 05:54 AM, Jamie Iles wrote:
> > On Wed, Nov 09, 2011 at 04:55:06PM +0530, Thomas Abraham wrote:
> >> Hi Jamie,
> >>
> >> On 4 November 2011 06:40, Jamie Iles <ja...@jamieiles.com> wrote:
> >>> Now that there is a generic IRQ handler for multiple VIC devices use it
> >>> for s3c64xx to help building multi platform kernels.
> >>>
> >>> Cc: Ben Dooks <ben-li...@fluff.org>
> >>> Signed-off-by: Jamie Iles <ja...@jamieiles.com>
> >>> ---
> >>>  arch/arm/Kconfig                                 |    1 +
> >>>  arch/arm/mach-s3c64xx/include/mach/entry-macro.S |    7 ++++---
> >>>  arch/arm/mach-s3c64xx/mach-anw6410.c             |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-crag6410.c            |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-hmt.c                 |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-mini6410.c            |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-ncp.c                 |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-real6410.c            |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-smartq5.c             |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-smartq7.c             |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-smdk6400.c            |    2 ++
> >>>  arch/arm/mach-s3c64xx/mach-smdk6410.c            |    2 ++
> >>>  12 files changed, 25 insertions(+), 3 deletions(-)
> >>>
> >>
> >> I have tested this patch series on smdk6410 board (s3c64xx) using the
> >> following repositorty and branch
> >>
> >> https://github.com/jamieiles/linux-2.6-ji.git  branch: vic-dt
> >>
> >> There is a crash while booting. Am I using the right tree and branch?
> >> The following is the boot log. Is there any other config option to be
> >> enabled?
> > 
> > Hmm, could you please try with the patch below applied?
> > 
> > Rob, I'm not sure if this is the best fix.  The alternatives I can think 
> > of would be to always export irq_domain_simple_ops even if 
> > !CONFIG_OF_IRQ but not set .dt_translate or provide a generic 
> > irq_domain_null_ops.
> > 
> > Jamie
> 
> There is a simple fix:
> 
> @@ -74,7 +76,7 @@ struct irq_domain {
>  static inline unsigned int irq_domain_to_irq(struct irq_domain *d,
>                                              unsigned long hwirq)
>  {
> -       if (d->ops->to_irq)
> +       if (d->ops && d->ops->to_irq)
>                 return d->ops->to_irq(d, hwirq);
>         if (WARN_ON(hwirq < d->hwirq_base))
>                 return 0;
> 
> I'll prepare a patch and send to tglx.

I did wonder about that, but that means we do it differently for 
ops->dt_translate (though that really should be there if it's required).

It works for me though!

Jamie
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