From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E5FD9366548; Tue, 12 May 2026 18:08:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778609298; cv=none; b=Q9+Pfbjk9Ew6k8t+D0yrcwOsY23v7cXOHqT98l79wJtBpWr+BjUrA95mnebzdATF7GIxxhhZvkaAW4LZk3ukvtc6hYCx/xfE+0AIloHyNzCHp34Rc4yAOENFvp/5OAE8HwPEPGIISHeGwVJlPZW+fqI0iwXl1i+QuQbWiM7O9yM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778609298; c=relaxed/simple; bh=p2SLF3r7DNx3cwcKeuFwnj/5H3LkEiCwvCEtH/jlKbs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GI8YjcsWSDEueUwATteYUuS1Ewxe6KckAsZHvKWLAN1Zv4+YTI+IVhJjW0ja0sirEkcTypsATKm8CuAAaOwrljxSUd+5lks/Xj6qq2pgths2qtQ2we4nwGj+7/S4XAznoBezSerHFc/JL9Y28x0ZHULlInY5CKzvHTtiKWu7dF8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cKH+g21u; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="cKH+g21u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D89CC2BCB0; Tue, 12 May 2026 18:08:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1778609297; bh=p2SLF3r7DNx3cwcKeuFwnj/5H3LkEiCwvCEtH/jlKbs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cKH+g21uWEMz04FvdBrAUPzYmpbICQ7SPGfhcF+ql5EB2JvHEGgkIwnGhXQjS1UuX gspekUMuRZg758tzORgRm3xb8aFT85OiaFkb6XBp2OZkv37V1eXr5CMJq7lhH5+uqr UC+2Mvi1Jeh/47vNSt6eqSMFZDLD5Qgv9YpXzFPU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Linus Walleij , Andy Shevchenko , Bartosz Golaszewski Subject: [PATCH 7.0 141/307] gpio: of: clear OF_POPULATED on hog nodes in remove path Date: Tue, 12 May 2026 19:38:56 +0200 Message-ID: <20260512173943.102715217@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260512173940.117428952@linuxfoundation.org> References: <20260512173940.117428952@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Bartosz Golaszewski commit bbee90e750262bfb406d66dc65c46d616d2b6673 upstream. The previously set OF_POPULATED flag should be cleared on the hog nodes when removing the chip. Cc: stable@vger.kernel.org Fixes: 63636d956c455 ("gpio: of: Add DT overlay support for GPIO hogs") Acked-by: Linus Walleij Reviewed-by: Andy Shevchenko Link: https://patch.msgid.link/20260309-gpio-hog-fwnode-v2-1-4e61f3dbf06a@oss.qualcomm.com Signed-off-by: Bartosz Golaszewski Signed-off-by: Greg Kroah-Hartman --- drivers/gpio/gpiolib-of.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -1210,7 +1210,14 @@ int of_gpiochip_add(struct gpio_chip *ch void of_gpiochip_remove(struct gpio_chip *chip) { - of_node_put(dev_of_node(&chip->gpiodev->dev)); + struct device_node *np = dev_of_node(&chip->gpiodev->dev); + + for_each_child_of_node_scoped(np, child) { + if (of_property_present(child, "gpio-hog")) + of_node_clear_flag(child, OF_POPULATED); + } + + of_node_put(np); } bool of_gpiochip_instance_match(struct gpio_chip *gc, unsigned int index)