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([2a10:a5c0:800d:dd00:8fdf:935a:2c85:d703]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30be99e81cbsm16554601fa.93.2025.03.10.07.44.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 10 Mar 2025 07:44:32 -0700 (PDT) Message-ID: <82383b62-0537-4d73-9495-8b880ef9dbb2@gmail.com> Date: Mon, 10 Mar 2025 16:44:30 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 04/15] gpio: bd71828: use new line value setter callbacks To: Bartosz Golaszewski Cc: Ray Jui , Broadcom internal kernel review list , Linus Walleij , Florian Fainelli , Scott Branden , Marek Vasut , Michael Buesch , Thomas Richard , Eugeniy Paltsev , Benson Leung , Guenter Roeck , Andy Shevchenko , Support Opensource , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, chrome-platform@lists.linux.dev, Bartosz Golaszewski References: <20250310-gpiochip-set-conversion-v1-0-03798bb833eb@linaro.org> <20250310-gpiochip-set-conversion-v1-4-03798bb833eb@linaro.org> <475375c9-9d72-4583-a21e-37b17c6b8c46@gmail.com> Content-Language: en-US, en-AU, en-GB, en-BW From: Matti Vaittinen In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 10/03/2025 15:22, Bartosz Golaszewski wrote: > On Mon, Mar 10, 2025 at 2:20 PM Matti Vaittinen > wrote: >> >>> @@ -28,12 +27,10 @@ static void bd71828_gpio_set(struct gpio_chip *chip, unsigned int offset, >>> * we are dealing with - then we are done >>> */ >>> if (offset == HALL_GPIO_OFFSET) >>> - return; >>> + return 0; >> >> Should this be -EINVAL (or, can this check be just dropped?) Value of an >> input pin is tried to be set. >> > > I don't want to break existing users but I did notice that and figured > that we should rather check this in core GPIO code not each individual > driver. Makes sense :) Thanks! In that case, Reviewed-by: Matti Vaittinen > > I put that on my TODO list. > > Bart