From patchwork Mon Jun 10 15:51:06 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: 803029 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 A021013F450; Mon, 10 Jun 2024 15:52:09 +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=1718034732; cv=none; b=oWFJ0BP2TEYE9gssGalDlvz3PKCPrB3gwi77aOWdLOVAR2CZZxJkVZm77f3KxeQgap4Z2KeXUP+dc8goAjCP56R3q8+kZE7GfRBlVipMONiAtYxj9QOwp2uNCpJeCCFOQ+RncOsj63Sx82uEkdji+Ar9Inuou43q6DDxKTOqL3o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718034732; c=relaxed/simple; bh=YZm4xIk6nDiHtUnYqBTNSv20zxWLGRO9uBNg5Cg7bQQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=RRQ7/EQXpesarCbmDkxQGmUPpSdskjtLim7SSK2kjZRqYHFufX/wHy3ibKDqvPegH5Zc2nViHaz9GAErGGbaTgQAceGGSdyPHY+ImFXNgZjDFCbbs8FDwDhDNd+4yZuyTA2qCNLXq4txXERSLPPNH9Na19j9OpNz2XnkJQm0bjg= 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=XOvkVDEJ; 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="XOvkVDEJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1718034726; bh=YZm4xIk6nDiHtUnYqBTNSv20zxWLGRO9uBNg5Cg7bQQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=XOvkVDEJHfvHFbY9wdP2Vj+VokZ7VSnZU5+EApDrSMrsNss74IZP4ZdY+GajjLkdB nUWq36d5su33vDqCSc2p0sM27tW0T10G+Fs885e3InBQbndn9sOKqL6+4lQ1zU6tpV BaPSHQvmnJJjIfEJCICq5OzdoaTXxJUzlRDDK+sI= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Mon, 10 Jun 2024 17:51:06 +0200 Subject: [PATCH v3 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: <20240610-cros_ec-charge-control-v3-1-135e37252094@weissschuh.net> References: <20240610-cros_ec-charge-control-v3-0-135e37252094@weissschuh.net> In-Reply-To: <20240610-cros_ec-charge-control-v3-0-135e37252094@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 , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1718034726; l=1770; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=YZm4xIk6nDiHtUnYqBTNSv20zxWLGRO9uBNg5Cg7bQQ=; b=2g/GG8lqFBwdVD+9PVUjWJO48YOQ51A4lhZ4oqz9aZkY/sUylc/F86XTHLl0BJhRc3qNpKH2N +bXFL/y/wKDA8d/xiSsmQeubz6EGMIRrC2FD09hwoLaV+HNcLEa1UI4 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. Signed-off-by: Thomas Weißschuh Acked-by: Rafael J. Wysocki --- 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