Re: [PATCH 5/6][RFC] arm64: renesas: Add r8a7795 SoC support

[Simon Horman <horms@verge.net.au>]

On Wed, Jun 17, 2015 at 09:22:00AM +0200, Geert Uytterhoeven wrote:
> Hi Simon,
> 
> On Wed, Jun 17, 2015 at 3:05 AM, Simon Horman <horms@verge.net.au> wrote:
> > On Mon, Jun 15, 2015 at 10:44:33AM +0200, Geert Uytterhoeven wrote:
> >> On Mon, Jun 15, 2015 at 10:30 AM, Kuninori Morimoto
> >> <kuninori.morimoto.gx@renesas.com> wrote:
> >> >> > +       gic: interrupt-controller@0xf1010000 {
> >> >> > +               compatible = "arm,gic-400", "arm,cortex-a15-gic";
> >> >> > +               #interrupt-cells = <3>;
> >> >> > +               #address-cells = <0>;
> >> >> > +               interrupt-controller;
> >> >> > +               reg = <0x0 0xf1010000 0 0x1000>,
> >> >> > +                     <0x0 0xf1020000 0 0x2000>;
> >> >> > +               interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(6) | IRQ_TYPE_LEVEL_HIGH)>;
> >> >> > +       };
> >> >>
> >> >> Thanks for your efforts. On ARM v8, is ARM v7 compat string
> >> >> "arm,cortex-a15-gic" really correct?
> >> >
> >> > I don't know detail of this.
> >> > but, I guess current Inami-san's status is "create working something".
> >> > Maybe he don't care small detail at this point.
> >> > Do you think  "arm,gic-400" is very enough ?
> >> > If so, I can drop it in v2
> >>
> >> Both are (currently) handled identically by drivers/irqchip/irq-gic.c.
> >>
> >> As the datasheet documents it as "GIC-400", we should use "arm,gic-400".
> >> BTW, we should do the same for APE6 and R-Car Gen2, cfr.
> >> https://lkml.org/lkml/2015/4/29/315
> >
> > Although it seems low priority I am interested in cleaning up the GIC nodes
> > for the you mention above. Can I confirm that their desired compat string
> > usage is:
> >
> >         compatible = "arm,gic-400";
> 
> That's correct.
> 
> But please don't start working on it, as I already made the changes locally.
> I haven't send out the patches yet, though. Will do.

No problem, I am quite happy to wait.