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Thu, 10 Oct 2024 02:10:33 -0700 (PDT) Received: from [127.0.1.1] ([2a01:cb1d:dc:7e00:5e5d:bfca:20cc:60ae]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-431182ff785sm9913305e9.13.2024.10.10.02.10.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2024 02:10:32 -0700 (PDT) From: Bartosz Golaszewski Date: Thu, 10 Oct 2024 11:10:22 +0200 Subject: [PATCH v2 1/6] gpiolib: notify user-space when a driver requests its own desc Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20241010-gpio-notify-in-kernel-events-v2-1-b560411f7c59@linaro.org> References: <20241010-gpio-notify-in-kernel-events-v2-0-b560411f7c59@linaro.org> In-Reply-To: <20241010-gpio-notify-in-kernel-events-v2-0-b560411f7c59@linaro.org> To: Linus Walleij , Bartosz Golaszewski , Kent Gibson Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski We notify user-space about lines being requested from user-space or by drivers calling gpiod_get() but not when drivers request their own lines so add the missing call to gpiod_line_state_notify(). Signed-off-by: Bartosz Golaszewski --- drivers/gpio/gpiolib.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 0d1e10654d4c..839036b116a2 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -2532,6 +2532,8 @@ struct gpio_desc *gpiochip_request_own_desc(struct gpio_chip *gc, return ERR_PTR(ret); } + gpiod_line_state_notify(desc, GPIO_V2_LINE_CHANGED_REQUESTED); + return desc; } EXPORT_SYMBOL_GPL(gpiochip_request_own_desc); -- 2.43.0