linux-kernel - Re: [PATCH v2 2/2] gpiolib: support parsing gpio three-cell interrupts scheme

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Message-ID: <CACRpkday=ZgxovKB03PCweh_rGzaJjSJ3ezC_UzPacQPPNJ6KA@mail.gmail.com>
Date: Tue, 4 Mar 2025 08:40:01 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Yixun Lan <dlan@...too.org>
Cc: Bartosz Golaszewski <brgl@...ev.pl>, 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 v2 2/2] gpiolib: support parsing gpio three-cell
 interrupts scheme

On Sun, Mar 2, 2025 at 12:16 AM Yixun Lan <dlan@...too.org> 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>

I read up on the bus token code and it seems to do the right thing!
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij