From nobody Tue Feb 10 02:50:03 2026 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) (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 2C2462D029B; Tue, 29 Apr 2025 14:08:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745935714; cv=none; b=D08cn906JbeCBQ94w+/du0KyMVCz4DXtXY9AGWrR5kkeETDQy4pv6FKFbrRiSPh/gTs0JkxMpji4X1IObNOx0Uoq181ayvpJE7MblbNv+cQmMdIo325nqdLwf7oxdY2pB/2+YYEtPNYgyJBHPMdykJPIMhQ2xB+CkYBLv36H8fY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745935714; c=relaxed/simple; bh=0udMnBxaSo7emOkn3tUdW92jHDgXyOSrL2aCuBpZxhc=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ZeYGGZXZ8id/eYtoPTWak5krfBdV+xlXHSYA5YpqihgBIAXyeyGtW+UZSeWDYA4n1M2j22635UOiCuE2SwpnyKPwM84J1wC1KW3snjLH2Zuv5C6wkKh3XKT6zK/gqcHRCXTB0m4xlaTrVjGoFUkLgknmiBape3oVN1zgUZculNw= 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=HTYePRMd; arc=none smtp.client-ip=217.70.183.194 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="HTYePRMd" Received: by mail.gandi.net (Postfix) with ESMTPSA id CBE35438C9; Tue, 29 Apr 2025 14:08:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1745935710; 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=pOqgMiS34WNCAhUlvQGAVID5fzoSxvLRwNw2cMLhxyU=; b=HTYePRMdumu67qlJdWuscnX0OB0CSaKVaZh2YbBtjcJPg3f4I1Kg9x5jENrqhkJzpfObC4 dWzjgcG6GQdEtHDViWaMDeDTyusmg6LboZNp1yQaodiHcsSSqsYiyr7Jz7/z6+McFhFu6F fZBYfZap9LkEvfeemRkbTaIS0Af4uM09Czodt58+mAUB9HObWMPb//IQK+hcIIR7tynUt4 N48KNQL22zn/NXc6XKEx/nQSYJ2l4NYtz2HecRDxKM3PzriPtBR3/62i8rnohTfk+xOw9w XQJZLSJw/lrbK+cpnp8yYbKRhNWlpaQqUaUV2YdWvauIfrohXRTN3JtsZPJ5UQ== From: Thomas Richard Date: Tue, 29 Apr 2025 16:08:17 +0200 Subject: [PATCH v4 03/12] pinctrl: core: add devm_pinctrl_register_mappings() 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: <20250429-aaeon-up-board-pinctrl-support-v4-3-b3fffc11417d@bootlin.com> References: <20250429-aaeon-up-board-pinctrl-support-v4-0-b3fffc11417d@bootlin.com> In-Reply-To: <20250429-aaeon-up-board-pinctrl-support-v4-0-b3fffc11417d@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 0.14.1 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvieegtddvucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepvfhhohhmrghsucftihgthhgrrhguuceothhhohhmrghsrdhrihgthhgrrhgusegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeektdehvdeiteehtdelteffheduveelgeelvdetgedvueejgefhhfekgefgfeduveenucfkphepvdgrtddumegtsgdugeemheehieemjegrtddtmegutgekudemrggrugdtmehfuggtrgemtggtudgrnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddumegtsgdugeemheehieemjegrtddtmegutgekudemrggrugdtmehfuggtrgemtggtudgrpdhhvghloheplgduvdejrddtrddurddungdpmhgrihhlfhhrohhmpehthhhomhgrshdrrhhitghhrghrugessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepudefpdhrtghpthhtoheplhhinhhugidqhhgrrhguvghnihhnghesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehlihhnuhhsrdifrghllhgvihhjsehlihhnrghrohdrohhrghdprhgtphhtthhopegrnhguhieskhgvrhhnvghlrdhorhhgp dhrtghpthhtohepkhgvvghssehkvghrnhgvlhdrohhrghdprhgtphhtthhopehgvggvrhhtodhrvghnvghsrghssehglhhiuggvrhdrsggvpdhrtghpthhtohepffgrnhhivghlvgevlhgvrhhisegrrggvohhnrdgvuhdprhgtphhtthhopegrnhgurhhihidrshhhvghvtghhvghnkhhosehlihhnuhigrdhinhhtvghlrdgtohhmpdhrtghpthhtohepthhhohhmrghsrdhpvghtrgiiiihonhhisegsohhothhlihhnrdgtohhm X-GND-Sasl: thomas.richard@bootlin.com Using devm_pinctrl_register_mappings(), the core can automatically unregister pinctrl mappings. Reviewed-by: Linus Walleij Signed-off-by: Thomas Richard --- drivers/pinctrl/core.c | 27 +++++++++++++++++++++++++++ include/linux/pinctrl/machine.h | 12 ++++++++++++ 2 files changed, 39 insertions(+) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 6dd48dd2c035..970da6d88589 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1543,6 +1543,33 @@ void pinctrl_unregister_mappings(const struct pinctr= l_map *map) } EXPORT_SYMBOL_GPL(pinctrl_unregister_mappings); =20 +static void devm_pinctrl_unregister_mappings(void *data) +{ + pinctrl_unregister_mappings(*(const struct pinctrl_map **)data); +} + +/** + * devm_pinctrl_register_mappings() - Resource managed pinctrl_register_ma= ppings() + * @dev: device for which mappings are registered + * @maps: the pincontrol mappings table to register. Note the pinctrl-core + * keeps a reference to the passed in maps, so they should _not_ be + * marked with __initdata. + * @num_maps: the number of maps in the mapping table + */ +int devm_pinctrl_register_mappings(struct device *dev, + const struct pinctrl_map *maps, + unsigned int num_maps) +{ + int ret; + + ret =3D pinctrl_register_mappings(maps, num_maps); + if (ret) + return ret; + + return devm_add_action_or_reset(dev, devm_pinctrl_unregister_mappings, (v= oid *)maps); +} +EXPORT_SYMBOL_GPL(devm_pinctrl_register_mappings); + /** * pinctrl_force_sleep() - turn a given controller device into sleep state * @pctldev: pin controller device diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machin= e.h index 0940fabb154d..8bf433dd4ef2 100644 --- a/include/linux/pinctrl/machine.h +++ b/include/linux/pinctrl/machine.h @@ -149,14 +149,19 @@ struct pinctrl_map { #define PIN_MAP_CONFIGS_GROUP_HOG_DEFAULT(dev, grp, cfgs) \ PIN_MAP_CONFIGS_GROUP(dev, PINCTRL_STATE_DEFAULT, dev, grp, cfgs) =20 +struct device; struct pinctrl_map; =20 #ifdef CONFIG_PINCTRL =20 int pinctrl_register_mappings(const struct pinctrl_map *map, unsigned int num_maps); +int devm_pinctrl_register_mappings(struct device *dev, + const struct pinctrl_map *map, + unsigned int num_maps); void pinctrl_unregister_mappings(const struct pinctrl_map *map); void pinctrl_provide_dummies(void); + #else =20 static inline int pinctrl_register_mappings(const struct pinctrl_map *map, @@ -165,6 +170,13 @@ static inline int pinctrl_register_mappings(const stru= ct pinctrl_map *map, return 0; } =20 +static inline int devm_pinctrl_register_mappings(struct device *dev, + const struct pinctrl_map *map, + unsigned int num_maps) +{ + return 0; +} + static inline void pinctrl_unregister_mappings(const struct pinctrl_map *m= ap) { } --=20 2.39.5