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Message-ID: <6974777b-7809-420d-ac6e-7fa9660b1380@linaro.org>
Date: Fri, 22 Mar 2024 17:53:14 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Mark Brown <broonie@...nel.org>, Linus Walleij
 <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>
Cc: linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpiolib: Add stubs for GPIO lookup functions

On 22/03/2024 17:13, Mark Brown wrote:
> The gpio_device_find_by_() functions do not have stubs which means that if
> they are referenced from code with an optiona dependency on gpiolib then

Maybe can be fixed while applying:
s/optiona/optional/

> the code will fail to link. Add stubs for lookups via fwnode and label. I
> have not added a stub for plain gpio_device_find() since it seems harder to
> see a use case for that which does not depend on gpiolib.
> 
> With the addition of the GPIO reset controller (which lacks a gpiolib
> dependency) to the arm64 defconfig this is causing build breaks for arm64
> virtconfig in -next:
> 
> aarch64-linux-gnu-ld: drivers/reset/core.o: in function `__reset_add_reset_gpio_lookup':
>  /build/stage/linux/drivers/reset/core.c:861:(.text+0xccc): undefined reference to `gpio_device_find_by_fwnode'
> 
> Signed-off-by: Mark Brown <broonie@...nel.org>

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Best regards,
Krzysztof


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