From nobody Sun Oct 5 01:50:08 2025 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) (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 AAA382DCF7C; Mon, 11 Aug 2025 13:26:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754918763; cv=none; b=Hs7l670NDHf5Kn4XgWal0++dNaTw7Rewf1v2Lkmurqh4ZAOWiNjBD5bJ+Kk43Sh2VzX2TUGQeAIrs6lkTp5/KbRb/3/W7IZFcwybpS64XPDKVU398WSuJuB5DUeezuZYT5bc2EcITU8vJbqLY9n+sfQfS4zNYzm+RRKk2qEuoS4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754918763; c=relaxed/simple; bh=xCrG2K3lpwZZkLT+cpkPL3U6/1aI3q/Wbd9o4XClPkk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jFfNyX3yKd2pT8m7D+lsm6LXxBRnXdDbaMB/mtRDCT/+FeMcUkhw/TIcJuJs5P4WDfz4IQkXentuhcyAUr3LNcaz9BAESfdCff4x+59ylsfqx+0SuJfdnsSaYAtTTRBliplCt8pRVnEOMXAuYljf4PyAUA85qVOPuAt2CJqSPAQ= 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=mvZIc0yk; arc=none smtp.client-ip=217.70.183.201 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="mvZIc0yk" Received: by mail.gandi.net (Postfix) with ESMTPSA id 591CE44421; Mon, 11 Aug 2025 13:25:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1754918753; 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=qYwKQHxmwIln8YyVLu+dSjfEAFKFWX7lEFfSattz3HI=; b=mvZIc0ykynwjKNN+W0M5n2lRmHh94YBvWMY/gc2fyNA9RCF9YOVR6CwI3XBZ2i88OG8XPa bRNNdadbJDm9iaOQ818Yu5eAeeY490luUiPJojBK/dgpD+dFmsB0Z2pZNafS50MWMRN1e5 WWF9B4cE4SpDIW/gR93xoEBjS+Q+KhSPNx4a7qkc8RMngVavrsVEJk6/xAiase/6FiP9UM swV6KeCi3KKNTyaZkikfl8/5BG0BfZfQLyk+Oda49w2tmL/NP2f+sQ+eLZTpMLMU+9KhAS oBQOiiwHwiHBfJCwNb5CY5C6wAMDv9vCD8VT4Bzj22LHj9nTf8+EMBgmglu5Mg== From: Thomas Richard Date: Mon, 11 Aug 2025 15:25:47 +0200 Subject: [PATCH v9 04/10] gpio: aggregator: refactor the forwarder registration part 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: <20250811-aaeon-up-board-pinctrl-support-v9-4-29f0cbbdfb30@bootlin.com> References: <20250811-aaeon-up-board-pinctrl-support-v9-0-29f0cbbdfb30@bootlin.com> In-Reply-To: <20250811-aaeon-up-board-pinctrl-support-v9-0-29f0cbbdfb30@bootlin.com> To: Linus Walleij , Andy Shevchenko , Bartosz Golaszewski , Geert Uytterhoeven , Kees Cook , Andy Shevchenko Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.petazzoni@bootlin.com, DanieleCleri@aaeon.eu, GaryWang@aaeon.com.tw, linux-hardening@vger.kernel.org, Thomas Richard X-Mailer: b4 0.14.2 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdefgddufedvheeiucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepvfhhohhmrghsucftihgthhgrrhguuceothhhohhmrghsrdhrihgthhgrrhgusegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeektdehvdeiteehtdelteffheduveelgeelvdetgedvueejgefhhfekgefgfeduveenucfkphepvdgrtddumegtsgdugeemheehieemjegrtddtmegutgekudemrggrugdtmehfuggtrgemtggtudgrnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddumegtsgdugeemheehieemjegrtddtmegutgekudemrggrugdtmehfuggtrgemtggtudgrpdhhvghloheplgduvdejrddtrddurddungdpmhgrihhlfhhrohhmpehthhhomhgrshdrrhhitghhrghrugessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepudefpdhrtghpthhtohepifgrrhihhggrnhhgsegrrggvohhnrdgtohhmrdhtfidprhgtphhtthhopeffrghnihgvlhgvvehlvghrihesrggrvghonhdrvghupdhrtghpthhtohepghgvvghrthdorhgvnhgvshgrshesghhlihguvghrrdgsvgdprhgtphhtt hhopegsrhhglhessghguggvvhdrphhlpdhrtghpthhtoheprghnugihsehkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhigqdhhrghruggvnhhinhhgsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhushdrfigrlhhlvghijheslhhinhgrrhhordhorhhgpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhg X-GND-Sasl: thomas.richard@bootlin.com Add a new function gpiochip_fwd_register(), which finalizes the initialization of the forwarder and registers the corresponding gpiochip. Reviewed-by: Andy Shevchenko Reviewed-by: Geert Uytterhoeven Acked-by: Linus Walleij Signed-off-by: Thomas Richard --- drivers/gpio/gpio-aggregator.c | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/gpio/gpio-aggregator.c b/drivers/gpio/gpio-aggregator.c index 43e488ee83834417b12bd23b177cc74b7d28faef..95415f92843606550e649477635= 4f918cd58ab6c 100644 --- a/drivers/gpio/gpio-aggregator.c +++ b/drivers/gpio/gpio-aggregator.c @@ -538,6 +538,18 @@ static int gpiochip_fwd_desc_add(struct gpiochip_fwd *= fwd, return 0; } =20 +static int gpiochip_fwd_register(struct gpiochip_fwd *fwd) +{ + struct gpio_chip *chip =3D &fwd->chip; + + if (chip->can_sleep) + mutex_init(&fwd->mlock); + else + spin_lock_init(&fwd->slock); + + return devm_gpiochip_add_data(chip->parent, chip, fwd); +} + /** * gpiochip_fwd_create() - Create a new GPIO forwarder * @dev: Parent device pointer @@ -575,18 +587,13 @@ static struct gpiochip_fwd *gpiochip_fwd_create(struc= t device *dev, return ERR_PTR(error); } =20 - if (chip->can_sleep) - mutex_init(&fwd->mlock); - else - spin_lock_init(&fwd->slock); - if (features & FWD_FEATURE_DELAY) { error =3D gpiochip_fwd_setup_delay_line(dev, chip, fwd); if (error) return ERR_PTR(error); } =20 - error =3D devm_gpiochip_add_data(dev, chip, fwd); + error =3D gpiochip_fwd_register(fwd); if (error) return ERR_PTR(error); =20 --=20 2.47.2