Re: [PATCH] PCI: rcar-gen4: Inline GIC_TRANSLATER offset macro

From: Bjorn Helgaas

Date: Tue Jul 14 2026 - 07:02:03 EST


On Mon, Jul 13, 2026 at 08:05:38PM +0200, Marek Vasut wrote:
> On 7/13/26 7:54 PM, Bjorn Helgaas wrote:
> > On Fri, Jul 10, 2026 at 03:35:10PM +0200, Marek Vasut wrote:
> > > On 7/10/26 10:30 AM, Marc Zyngier wrote:
> > > > On Thu, 09 Jul 2026 21:10:03 +0100,
> > > > Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx> wrote:
> > > > >
> > > > > Instead of pulling in the whole linux/irqchip/arm-gic-v3.h ,
> > > > > copy the one GITS_TRANSLATER register offset macro directly into
> > > > > the driver. This repairs the ability to build the driver on
> > > > > non-ARM non-GIC targets the way it was possible until now, which
> > > > > retains good build test coverage.
> > > ...
> >
> > > So in the end, it is either this patch or limit the build to
> > > arm/arm64 . At least this patch still allows building this driver
> > > with more compilers on the various build bots, so I would opt for
> > > this patch here.
> >
> > I like the build coverage, but duplicating the #define doesn't really
> > seem good to me. It makes readability worse because cscope/tags now
> > sees two definitions without an obvious reason.
>
> I can rename the macro, or ... sigh ... I can reduce the driver to build
> only on ARM/ARM64. Which one do you prefer ?

I think a dependency on ARM/ARM64 is preferable.