From nobody Wed Dec 17 15:36:04 2025 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) (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 08EB2248872; Mon, 17 Mar 2025 15:38:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742225904; cv=none; b=r6wmOUPrdOhhaUwWGGygHjL8Nm+PrDzabjhIl23r7ZBgcUu63oWIllhVRy89FaYnAFqIaXSrEmEkFNkrl+ftwdcN3pBftBa1yqnQmjzIMQJ0hZa6UIUpu5XaRg/gMFy00Rp5Ee4TNHb64OT5bhsnIl+PyvAprux9s/6zqr6IaMU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742225904; c=relaxed/simple; bh=7KArgFaaKI1+e5MR2ZYKbBC06YfRSX5pNbBaEm35TuI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Iz+s5qHcVJ3AUA6j4NEYbSYyYA0aN9Y0quzVsTMCTyfqGGJQDFxsOzappyAc+UDUylrUu2fB7SkH1siAyjzTlB5YN0Rmb91ot07oazf6YniKvjKqgC+rRzyVWpgibKsApyXQl1lHoFIcMWg9yWFhXFmloDo2QBidFgLFg5p5v90= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=jPC0DvyQ; arc=none smtp.client-ip=217.70.183.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="jPC0DvyQ" Received: by mail.gandi.net (Postfix) with ESMTPSA id B88672058E; Mon, 17 Mar 2025 15:38:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1742225901; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DgINo7HEgsvBFVcZUlOn/x84SJEPQBLA8ZPb+VkgLTk=; b=jPC0DvyQkcZwBn/deYFNoXxTg7aIbY0LM8xFhrvo1fHRCIopDeiIpjxcUGUE/YyKfTDHkQ L4eNmry2Y9LNtKy19anUsCVitPsWgn/gq0wrYN4mFmMq7UVCL6w+oMncXkXzQVRFdpVWUn rRIXoBQHTRA+U8+D47RsNZW7xe23kZbpGwcf+o8fVbHpurRBKwb//lBOKQz0w0b6ITzrXv POpG7L8tJI3/dg9ZRAmxLIq87BpfSR2lwMXlD/17KiZNlH/L5VUXWdsRhvwx09cQY5z4Qu bF5kMpqxkv4gWpWjSAPZ9EtbNWK18U+ddz13xYTiTDjF2nhrtb4hdtEa9A6bag== From: Thomas Richard Date: Mon, 17 Mar 2025 16:38:03 +0100 Subject: [PATCH RFC v2 5/6] gpio: aggregator: add possibility to attach data to the forwarder Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250317-aaeon-up-board-pinctrl-support-v2-5-36126e30aa62@bootlin.com> References: <20250317-aaeon-up-board-pinctrl-support-v2-0-36126e30aa62@bootlin.com> In-Reply-To: <20250317-aaeon-up-board-pinctrl-support-v2-0-36126e30aa62@bootlin.com> To: Linus Walleij , Andy Shevchenko , Bartosz Golaszewski , Geert Uytterhoeven Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, DanieleCleri@aaeon.eu, GaryWang@aaeon.com.tw, Thomas Richard X-Mailer: b4 0.14.1 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddufeelkeelucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepvfhhohhmrghsucftihgthhgrrhguuceothhhohhmrghsrdhrihgthhgrrhgusegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeektdehvdeiteehtdelteffheduveelgeelvdetgedvueejgefhhfekgefgfeduveenucfkphepvdgrtddumegtsgdugeemfhegtdemsghftddtmehftdehgeemtgeltgdvmedvudgtfeemudehieeinecuvehluhhsthgvrhfuihiivgepudenucfrrghrrghmpehinhgvthepvdgrtddumegtsgdugeemfhegtdemsghftddtmehftdehgeemtgeltgdvmedvudgtfeemudehieeipdhhvghloheplgduvdejrddtrddurddungdpmhgrihhlfhhrohhmpehthhhomhgrshdrrhhitghhrghrugessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepuddtpdhrtghpthhtohepghgvvghrthdorhgvnhgvshgrshesghhlihguvghrrdgsvgdprhgtphhtthhopegrnhgurhhihidrshhhvghvtghhvghnkhhosehlihhnuhigrdhinhhtvghlrdgtohhmpdhrtghpthhtoheplhhinhhushdrfigrlhhlvghijhesl hhinhgrrhhordhorhhgpdhrtghpthhtoheplhhinhhugidqghhpihhosehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtohepthhhohhmrghsrdhpvghtrgiiiihonhhisegsohhothhlihhnrdgtohhmpdhrtghpthhtohepsghrghhlsegsghguvghvrdhplhdprhgtphhtthhopeffrghnihgvlhgvvehlvghrihesrggrvghonhdrvghupdhrtghpthhtohepifgrrhihhggrnhhgsegrrggvohhnrdgtohhmrdhtfi X-GND-Sasl: thomas.richard@bootlin.com Add a data pointer to store private data in the forwarder. Signed-off-by: Thomas Richard --- drivers/gpio/gpio-aggregator.c | 6 ++++-- include/linux/gpio/gpio-fwd.h | 3 ++- 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpio/gpio-aggregator.c b/drivers/gpio/gpio-aggregator.c index b9026ff2bfdc1..3c78c47ce40ae 100644 --- a/drivers/gpio/gpio-aggregator.c +++ b/drivers/gpio/gpio-aggregator.c @@ -556,7 +556,7 @@ int gpiochip_fwd_add_gpio_desc(struct gpiochip_fwd *fwd= , struct gpio_desc *desc, } EXPORT_SYMBOL_GPL(gpiochip_fwd_add_gpio_desc); =20 -int gpiochip_fwd_register(struct gpiochip_fwd *fwd) +int gpiochip_fwd_register(struct gpiochip_fwd *fwd, void *data) { struct gpio_chip *chip =3D &fwd->chip; struct device *dev =3D fwd->dev; @@ -579,6 +579,8 @@ int gpiochip_fwd_register(struct gpiochip_fwd *fwd) else spin_lock_init(&fwd->slock); =20 + fwd->data =3D data; + error =3D devm_gpiochip_add_data(dev, chip, fwd); =20 return error; @@ -625,7 +627,7 @@ static struct gpiochip_fwd *gpiochip_fwd_create(struct = device *dev, return ERR_PTR(error); } =20 - error =3D gpiochip_fwd_register(fwd); + error =3D gpiochip_fwd_register(fwd, NULL); if (error) return ERR_PTR(error); =20 diff --git a/include/linux/gpio/gpio-fwd.h b/include/linux/gpio/gpio-fwd.h index 80ec34ee282fc..c242cc1888180 100644 --- a/include/linux/gpio/gpio-fwd.h +++ b/include/linux/gpio/gpio-fwd.h @@ -10,6 +10,7 @@ struct gpiochip_fwd_timing { struct gpiochip_fwd { struct device *dev; struct gpio_chip chip; + void *data; struct gpio_desc **descs; union { struct mutex mlock; /* protects tmp[] if can_sleep */ @@ -50,6 +51,6 @@ int gpiochip_fwd_add_gpio_desc(struct gpiochip_fwd *fwd, struct gpio_desc *desc, unsigned int offset); =20 -int gpiochip_fwd_register(struct gpiochip_fwd *fwd); +int gpiochip_fwd_register(struct gpiochip_fwd *fwd, void *data); =20 #endif --=20 2.39.5