linux-kernel - Re: [PATCH v3 2/2] gpiolib: support parsing gpio three-cell interrupts scheme

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Message-ID: <CAMRc=MeFK1gX69CWH2gkYUqkLU-KCOcwHcA+gjN1RXFA++B_eQ@mail.gmail.com>
Date: Mon, 7 Apr 2025 13:26:12 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Yixun Lan <dlan@...too.org>
Cc: Linus Walleij <linus.walleij@...aro.org>, Thomas Gleixner <tglx@...utronix.de>, 
	Alex Elder <elder@...cstar.com>, Inochi Amaoto <inochiama@...il.com>, linux-kernel@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	spacemit@...ts.linux.dev
Subject: Re: [PATCH v3 2/2] gpiolib: support parsing gpio three-cell
 interrupts scheme

On Mon, Apr 7, 2025 at 12:33 PM Yixun Lan <dlan@...too.org> wrote:
>
> Hi Linus Walleij:
>
> On 06:06 Wed 26 Mar     , Yixun Lan wrote:
> > gpio irq which using three-cell scheme should always call
> > instance_match() function to find the correct irqdomain.
> >
> > The select() function will be called with !DOMAIN_BUS_ANY,
> > so for specific gpio irq driver, it need to set bus token
> > explicitly, something like:
> >   irq_domain_update_bus_token(girq->domain, DOMAIN_BUS_WIRED);
> >
> > Signed-off-by: Yixun Lan <dlan@...too.org>
> > ---
> >  drivers/gpio/gpiolib-of.c |  8 ++++++++
> >  drivers/gpio/gpiolib-of.h |  6 ++++++
> >  drivers/gpio/gpiolib.c    | 22 ++++++++++++++++++----
> >  3 files changed, 32 insertions(+), 4 deletions(-)
> >
>
>   I'd assume this patch [2/2] will go via pinctrl's tree?
> as patch [1/2] has been accepted by Thomas into tip tree [1]..
>   Additonally need to pull that commit first? since it's a dependency
>

No, this should go through the GPIO tree but for that I'd need an
immutable tag with patch 1/2.

Bart