linux-kernel - Re: [PATCH v3] gpio: nuvoton: Fix sgpio irq handle error

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Message-ID: <CACRpkdbaC9YR9f-q3fNjpH761VmLn2bhaaWpy-6Fhk3apOT8vg@mail.gmail.com>
Date: Fri, 3 May 2024 10:36:32 +0200
From: Linus Walleij <linus.walleij@...aro.org>
To: Jim Liu <jim.t90615@...il.com>
Cc: JJLIU0@...oton.com, KWLIU@...oton.com, brgl@...ev.pl, 
	dan.carpenter@...aro.org, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org
Subject: Re: [PATCH v3] gpio: nuvoton: Fix sgpio irq handle error

On Mon, Apr 29, 2024 at 9:05 AM Jim Liu <jim.t90615@...il.com> wrote:

> The generic_handle_domain_irq() function calls irq_resolve_mapping()
> so calling irq_find_mapping() is duplicative and will lead to a stack
> trace and an RCU stall.
>
>
> Fixes: c4f8457d17ce ("gpio: nuvoton: Add Nuvoton NPCM sgpio driver")
> Signed-off-by: Jim Liu <JJLIU0@...oton.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij