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Date:   Wed, 11 Oct 2023 16:58:28 +0200
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Subject: Re: [PATCH 2/3] gpiolib: provide gpiod_to_gpio_device()
Content-Language: sv-SE
To:     Bartosz Golaszewski <brgl@bgdev.pl>,
        Linus Walleij <linus.walleij@linaro.org>,
        Andy Shevchenko <andy@kernel.org>,
        Peter Korsgaard <peter.korsgaard@barco.com>
Cc:     linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-i2c@vger.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
References: <20231011130204.52265-1-brgl@bgdev.pl>
 <20231011130204.52265-3-brgl@bgdev.pl>
From:   Peter Rosin <peda@axentia.se>
In-Reply-To: <20231011130204.52265-3-brgl@bgdev.pl>
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Hi!

2023-10-11 at 15:02, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> 
> Accessing struct gpio_chip backing a GPIO device is only allowed for the
> actual providers of that chip.
> 
> Similarly to how we introduced gpio_device_find() in order to replace
> the abused gpiochip_find(), let's introduce a counterpart to
> gpiod_to_chip() that returns a reference to the GPIO device owning the
> descriptor. This is done in order to later remove gpiod_to_chip()
> entirely.
> 
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Reviewed-by: Peter Rosin <peda@axentia.se>

Cheers,
Peter