From nobody Tue Dec 16 23:10:48 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 95CD1283C94; Tue, 6 May 2025 15:21:34 +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=1746544897; cv=none; b=k5WCRZGl2Xa8Wqf9RH12Hx4GKZjKtThWqbZGU2aiWh8cSffDGgUeaG/cWKvm+olEocKAJ1+WslH+1F/zBM3fYd0Zm+qexSHp+DPWE8e6z2+DrJLNedVTKVFEQz+frGtAyefaSYi0uv9ONRjGcKrQl7/q2V+h8nlFSG/0QSmbfk0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746544897; c=relaxed/simple; bh=LM2iFEgMbtNke6NMYAqnjE4d+/qvxBKcq5oPNLRfjA0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Fy/d7SG3fz0GYUDOEzNoXv7WXpfa8kdANSz21oZuGYpy0iVBzbXldFXuBM5AzYoO6AY44AMSxSz5tg2vRDy40NH0wxGHPP2UbpOiz9je2I052TOiRs5hyA1cxnVZa2CV+ydNCL37xql7mWg1ETHJC1vd5XugtmbUdXV1bsPTxhw= 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=nnkmRuVY; 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="nnkmRuVY" Received: by mail.gandi.net (Postfix) with ESMTPSA id B0D0A43B27; Tue, 6 May 2025 15:21:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1746544887; 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=CvPjKxjylgfhC14NcJPCUvKX8Z1QrI+WRe+JS+bhNVM=; b=nnkmRuVYT0l4wYYi4JuZMftHQmT1K7YQSlMY1DlwI9D+BlEpIUTPjRzEovxTtXB3YlZ8x7 hH/GbQpxbAfhaswec9u1kvALPuUrPMBkWwyPGMz/j1cEYyqdHY7cAYdR43MJUEp5nIa/Mg RzwK8wS3HKq9vSBF5QJ8sbNIwRPdNo/LRRt0GPEZRFrN2lJ26TV/CWPzL0UySD9Ro4kJOq UCNHFnmPbpfLJtLashPyYmWmehBPDAThSIR+LQMsutPJDJbojdCPhtxQaqlUdZouWmNwWJ kiTEJFP6vCb+g7xd5nRqWKCh/YPSHm3socoyF5dq3EXWlD4yO5z6T6hBpsS0sw== From: Thomas Richard Date: Tue, 06 May 2025 17:21:21 +0200 Subject: [PATCH v5 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: <20250506-aaeon-up-board-pinctrl-support-v5-3-3906529757d2@bootlin.com> References: <20250506-aaeon-up-board-pinctrl-support-v5-0-3906529757d2@bootlin.com> In-Reply-To: <20250506-aaeon-up-board-pinctrl-support-v5-0-3906529757d2@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: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvkeegfeefucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefhfffugggtgffkfhgjvfevofesthejredtredtjeenucfhrhhomhepvfhhohhmrghsucftihgthhgrrhguuceothhhohhmrghsrdhrihgthhgrrhgusegsohhothhlihhnrdgtohhmqeenucggtffrrghtthgvrhhnpeektdehvdeiteehtdelteffheduveelgeelvdetgedvueejgefhhfekgefgfeduveenucfkphepvdgrtddumegtsgdugeemheehieemjegrtddtmegutgekudemrggrugdtmehfuggtrgemtggtudgrnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehinhgvthepvdgrtddumegtsgdugeemheehieemjegrtddtmegutgekudemrggrugdtmehfuggtrgemtggtudgrpdhhvghloheplgduvdejrddtrddurddungdpmhgrihhlfhhrohhmpehthhhomhgrshdrrhhitghhrghrugessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepudefpdhrtghpthhtohepghgvvghrthdorhgvnhgvshgrshesghhlihguvghrrdgsvgdprhgtphhtthhopegsrhhglhessghguggvvhdrphhlpdhrtghpthhtohepkhgvvghssehkvghrnhgvlhdrohhrghdprhgtphhtthhopegrnhgurhhihidrshhhvghvt ghhvghnkhhosehlihhnuhigrdhinhhtvghlrdgtohhmpdhrtghpthhtoheplhhinhhushdrfigrlhhlvghijheslhhinhgrrhhordhorhhgpdhrtghpthhtoheplhhinhhugidqghhpihhosehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtohepthhhohhmrghsrdhpvghtrgiiiihonhhisegsohhothhlihhnrdgtohhm 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 | 29 +++++++++++++++++++++++++++++ include/linux/pinctrl/machine.h | 11 +++++++++++ 2 files changed, 40 insertions(+) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 4bdbf6bb26e2..9046292d1360 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -1530,6 +1530,35 @@ void pinctrl_unregister_mappings(const struct pinctr= l_map *map) } EXPORT_SYMBOL_GPL(pinctrl_unregister_mappings); =20 +static void devm_pinctrl_unregister_mappings(void *maps) +{ + pinctrl_unregister_mappings(maps); +} + +/** + * 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 + * + * Returns: 0 on success, or negative errno on failure. + */ +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 93aceb92681b..00c196061605 100644 --- a/include/linux/pinctrl/machine.h +++ b/include/linux/pinctrl/machine.h @@ -149,11 +149,15 @@ 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 @@ -164,6 +168,13 @@ 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