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References: <20240214-mbly-gpio-v1-0-f88c0ccf372b@bootlin.com> <20240214-mbly-gpio-v1-18-f88c0ccf372b@bootlin.com>
In-Reply-To: <20240214-mbly-gpio-v1-18-f88c0ccf372b@bootlin.com>
From: Linus Walleij <linus.walleij@linaro.org>
Date: Wed, 21 Feb 2024 15:31:35 +0100
Message-ID: <CACRpkdYLBGsphNkmWyPXQZvFaO2hHGHGTMt1eqz-HAa2k5F3bg@mail.gmail.com>
Subject: Re: [PATCH 18/23] gpio: nomadik: support mobileye,eyeq5-gpio
To: =?UTF-8?B?VGjDqW8gTGVicnVu?= <theo.lebrun@bootlin.com>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>, Rob Herring <robh+dt@kernel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, 
	Philipp Zabel <p.zabel@pengutronix.de>, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, 
	linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, 
	linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, 
	linux-mips@vger.kernel.org, Gregory CLEMENT <gregory.clement@bootlin.com>, 
	Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>, 
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Tawfik Bayouk <tawfik.bayouk@mobileye.com>
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On Wed, Feb 14, 2024 at 5:24=E2=80=AFPM Th=C3=A9o Lebrun <theo.lebrun@bootl=
in.com> wrote:

> We create a custom compatible for the STA2X11 IP block as integrated
> into the Mobileye EyeQ5 platform. Its wake and alternate functions have
> been disabled, we want to avoid touching those registers.
>
> We both do: (1) early return in functions that do not support the
> platform, but with warnings, and (2) avoid calling those functions in
> the first place.
>
> We ensure that pinctrl-nomadik is not used with this STA2X11 variant.
>
> Signed-off-by: Th=C3=A9o Lebrun <theo.lebrun@bootlin.com>

When testing I noticed that this patch breaks Ux500 (up until patch 17
all works fine!).

But I don't know why.

Trying to figure it out...

Yours,
Linus Walleij