linux-kernel - Re: [PATCH v1] gpio: mlxbf3: only get IRQ for device instance 0

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Message-ID: <CAMRc=McQ-dAdt=eAkk+j+5qs7ZyVDuipE0ptQTrbmGHXf9jjKA@mail.gmail.com>
Date: Mon, 16 Jun 2025 09:58:53 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: David Thompson <davthompson@...dia.com>
Cc: linus.walleij@...aro.org, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Shravan Kumar Ramani <shravankr@...dia.com>
Subject: Re: [PATCH v1] gpio: mlxbf3: only get IRQ for device instance 0

On Fri, Jun 13, 2025 at 6:35 PM David Thompson <davthompson@...dia.com> wrote:
>
> The gpio-mlxbf3 driver interfaces with two GPIO controllers,
> device instance 0 and 1. There is a single IRQ resource shared
> between the two controllers, and it is found in the ACPI table for
> device instance 0.  The driver should not attempt to get an IRQ
> resource when probing device instance 1, otherwise the following
> error is logged:
>   mlxbf3_gpio MLNXBF33:01: error -ENXIO: IRQ index 0 not found
>
> Signed-off-by: David Thompson <davthompson@...dia.com>
> Reviewed-by: Shravan Kumar Ramani <shravankr@...dia.com>
> ---

This looks like a fix, does it miss the Fixes: and Cc: stable tags?

Bartosz