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

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Message-ID: <20250407103320-GYA13974@gentoo>
Date: Mon, 7 Apr 2025 10:33:20 +0000
From: Yixun Lan <dlan@...too.org>
To: Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Thomas Gleixner <tglx@...utronix.de>
Cc: 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

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

[1] https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?h=irq/core&id=0a02e1f4a54ace747304687ced3b76d159e58914

-- 
Yixun Lan (dlan)
Gentoo Linux Developer
GPG Key ID AABEFD55