linux-kernel - Re: [PATCH v2 2/4] irqchip: add RZ/{T2H,N2H} Interrupt Controller (ICU) driver

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Message-ID: <CAMuHMdXJbdnqXpt4xJUuB5+0Xm+p==LR+z7umAEE2kv3B1_EOw@mail.gmail.com>
Date: Tue, 16 Dec 2025 17:07:42 +0100
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Cosmin-Gabriel Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
Cc: Thomas Gleixner <tglx@...utronix.de>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	"magnus.damm" <magnus.damm@...il.com>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, 
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, 
	"linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCH v2 2/4] irqchip: add RZ/{T2H,N2H} Interrupt Controller
 (ICU) driver

Hi Cosmin,

On Tue, 16 Dec 2025 at 13:27, Cosmin-Gabriel Tanislav
<cosmin-gabriel.tanislav.xa@...esas.com> wrote:
> > From: Geert Uytterhoeven <geert@...ux-m68k.org>
> > On Mon, 1 Dec 2025 at 12:30, Cosmin Tanislav
> > <cosmin-gabriel.tanislav.xa@...esas.com> wrote:
> > > The Renesas RZ/T2H (R9A09G077) and Renesas RZ/N2H (R9A09G087) SoCs have
> > > an Interrupt Controller (ICU) that supports interrupts from external
> > > pins IRQ0 to IRQ15, and SEI, and software-triggered interrupts INTCPU0
> > > to INTCPU15.
> > >
> > > INTCPU0 to INTCPU13, IRQ0 to IRQ13 are non-safety interrupts, while
> > > INTCPU14, INTCPU15, IRQ14, IRQ15 and SEI are safety interrupts, and are
> > > exposed via a separate register space.
> > >
> > > Signed-off-by: Cosmin Tanislav <cosmin-gabriel.tanislav.xa@...esas.com>
> >
> > Thanks for your patch, which is now commit 13e7b3305b647cf5
> > ("irqchip: Add RZ/{T2H,N2H} Interrupt Controller (ICU) driver")
> > in irqchip/irq/drivers.
> >
> > > --- a/drivers/soc/renesas/Kconfig
> > > +++ b/drivers/soc/renesas/Kconfig
> > > @@ -423,6 +423,7 @@ config ARCH_R9A09G057
> > >  config ARCH_R9A09G077
> > >         bool "ARM64 Platform support for R9A09G077 (RZ/T2H)"
> > >         default y if ARCH_RENESAS
> > > +       select RENESAS_RZT2H_ICU
> > >         help
> > >           This enables support for the Renesas RZ/T2H SoC variants.
> > >
> >
> > This change should have been a separate patch, to be routed through the
> > renesas-devel tree.  In addition, you forgot to add the same select to the
> > ARCH_R9A09G087 entry below.
> >
>
> My bad, I did not think about that. Is there anything I should be doing now
> to fix the situation? Or is it just something to keep in mind for future
> patches?

It is something to keep in mind for future patches.

> I will submit another patch to add the select to ARCH_R9A09G087.

Thanks!

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds