RE: [PATCH 1/5] ARM: gic: Add hooks for architecture specific extensions

Santosh Shilimkar
2011-01-26T07:31:48Z

> -----Original Message-----
> From: ccross@google.com [mailto:ccross@google.com] On Behalf Of
> Colin Cross
> Sent: Wednesday, January 26, 2011 12:54 PM
> To: Santosh Shilimkar
> Cc: linux-arm-kernel@lists.infradead.org; linux-
> omap@vger.kernel.org; catalin.marinas@arm.com;
> linux@arm.linux.org.uk; linus.ml.walleij@gmail.com; Russell King
> Subject: Re: [PATCH 1/5] ARM: gic: Add hooks for architecture
> specific extensions
>
[....]

> >>
> > Great.
> > Can I fold below changes in my patch and add you ack and tested-
> by?
>
> Sure

After reading your initial comment, you mentioned you need to have
'gic_set_type' as well. Is this still true. If yes then we need to
have arch_extn call for that as well.
>
> >> diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
> >> index 0b6c043..7993f07 100644
> >> --- a/arch/arm/common/gic.c
> >> +++ b/arch/arm/common/gic.c
> >> @@ -90,6 +90,8 @@ static inline unsigned int gic_irq(struct
> irq_data
> >> *d)
> >>  static void gic_ack_irq(struct irq_data *d)
> >>  {
> >>       spin_lock(&irq_controller_lock);
> >> +     if (gic_arch_extn.irq_ack)
> >> +             gic_arch_extn.irq_ack(d);
> >>       writel(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI);
> >>       spin_unlock(&irq_controller_lock);
> >>  }
> >> @@ -161,6 +163,14 @@ static int gic_set_type(struct irq_data *d,
> >> unsigned int type)
> >>       return 0;
> >>  }
> >>
> >> +static int gic_retrigger(struct irq_data *d)
> >> +{
> >> +     if (gic_arch_extn.irq_retrigger)
> >> +             return gic_arch_extn.irq_retrigger(d);
> >> +
> >> +     return 0;
> >> +}
> >> +
> >>  #ifdef CONFIG_SMP
> >>  static int
> >>  gic_set_cpu(struct irq_data *d, const struct cpumask *mask_val,
> >> bool force)
> >> @@ -234,6 +244,7 @@ static struct irq_chip gic_chip = {
> >>       .irq_mask               = gic_mask_irq,
> >>       .irq_unmask             = gic_unmask_irq,
> >>       .irq_set_type           = gic_set_type,
> >> +     .irq_retrigger          = gic_retrigger,
> >>  #ifdef CONFIG_SMP
> >>       .irq_set_affinity       = gic_set_cpu,
> >>  #endif
> >
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