From patchwork Sun Jun 16 19:03:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 804932 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (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 A36C44962E; Sun, 16 Jun 2024 19:03:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718564621; cv=none; b=BMtRKiO/sNgCvcxZ034qrBGcpLn7M9k0n8WEDxniHUFLmeD7rhdx5CplFDX53R+6hvpByTF/E6uLNR7i9/FxnOO1l8Iz/0mNWZcKKON/obpmZzduhltlYnSJgePv4XHDCuFT3LH3OoQXvNshDemgrpN9InGI5kktBg6OkQj1mlY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718564621; c=relaxed/simple; bh=uw8nLh7+K+VERVHPyxd+3eO/7NhujZLZvDsfiJLrD+k=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=q859nDWPdNV49juQXtVHLuinoDD/Dclivuiv2bqFyXsLl5sVWJiu4GLuG27iX9/44lv2wbzJpqT7Xc4RPLMjFRu+xikTJclySMRtP6ge9m0LBUWeyymcDEJymPrW7EggjDdEcjMoiUXyeddK1fY7gyEXH/3kIPwQC65BSEKmONI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=rQSvq4WA; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="rQSvq4WA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1718564615; bh=uw8nLh7+K+VERVHPyxd+3eO/7NhujZLZvDsfiJLrD+k=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=rQSvq4WAOQKBMeeTQt4Tw96nj288Fcq6HJAWMZ7s/swl/BvoHA4L/zE32l2c2JiJc imUILPToMXRFNm/ingOtI4oXFVFlI5Ya+udpAK+Wu2rUA7YXURoAD3nhnz5+trZF3m gh631Ss8e0PcBDOmOrjH3fcLeYvdPg8nIRs0aNbk= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Sun, 16 Jun 2024 21:03:29 +0200 Subject: [PATCH v4 1/5] ACPI: battery: add devm_battery_hook_register() Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240616-cros_ec-charge-control-v4-1-74d649a9117d@weissschuh.net> References: <20240616-cros_ec-charge-control-v4-0-74d649a9117d@weissschuh.net> In-Reply-To: <20240616-cros_ec-charge-control-v4-0-74d649a9117d@weissschuh.net> To: Benson Leung , Guenter Roeck , Sebastian Reichel , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= , "Rafael J. Wysocki" , Len Brown , Robert Moore , Tzung-Bi Shih Cc: chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Mario Limonciello , Dustin Howett , Stephen Horvath , Rajas Paranjpe , linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, Matt Hartley , "Rafael J. Wysocki" , =?utf-8?q?Thomas_Wei?= =?utf-8?q?=C3=9Fschuh?= X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1718564614; l=1828; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=uw8nLh7+K+VERVHPyxd+3eO/7NhujZLZvDsfiJLrD+k=; b=6jUwHQEhRN3fsEbZtDTs26qkhF6Mj6dfuOwZqbkJ/V2RbVhixZNJMKbpRx66zl0wy7RNVq6VI MUa4IC/bYvfDuDaG/94JGXAZ7QpwqNJ/9qO8l+XIkuWPHtS1iLvfqDt X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Add a utility function for device-managed registration of battery hooks. The function makes it easier to manage the lifecycle of a hook. Acked-by: Rafael J. Wysocki Signed-off-by: Thomas Weißschuh --- drivers/acpi/battery.c | 15 +++++++++++++++ include/acpi/battery.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index b379401ff1c2..6ea979f76f84 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -756,6 +756,21 @@ void battery_hook_register(struct acpi_battery_hook *hook) } EXPORT_SYMBOL_GPL(battery_hook_register); +static void devm_battery_hook_unregister(void *data) +{ + struct acpi_battery_hook *hook = data; + + battery_hook_unregister(hook); +} + +int devm_battery_hook_register(struct device *dev, struct acpi_battery_hook *hook) +{ + battery_hook_register(hook); + + return devm_add_action_or_reset(dev, devm_battery_hook_unregister, hook); +} +EXPORT_SYMBOL_GPL(devm_battery_hook_register); + /* * This function gets called right after the battery sysfs * attributes have been added, so that the drivers that diff --git a/include/acpi/battery.h b/include/acpi/battery.h index 611a2561a014..c93f16dfb944 100644 --- a/include/acpi/battery.h +++ b/include/acpi/battery.h @@ -2,6 +2,7 @@ #ifndef __ACPI_BATTERY_H #define __ACPI_BATTERY_H +#include #include #define ACPI_BATTERY_CLASS "battery" @@ -19,5 +20,6 @@ struct acpi_battery_hook { void battery_hook_register(struct acpi_battery_hook *hook); void battery_hook_unregister(struct acpi_battery_hook *hook); +int devm_battery_hook_register(struct device *dev, struct acpi_battery_hook *hook); #endif