From patchwork Fri Jun 16 16:50:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wilczynski, Michal" X-Patchwork-Id: 13283009 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 98397C0015E for ; Fri, 16 Jun 2023 16:51:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345207AbjFPQvV (ORCPT ); Fri, 16 Jun 2023 12:51:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343668AbjFPQvO (ORCPT ); Fri, 16 Jun 2023 12:51:14 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1163359E; Fri, 16 Jun 2023 09:51:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1686934265; x=1718470265; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=YpXKLkZYqfKoJMlwGjZfZyyB1xoLyflHJUZahcB0DSk=; b=bu95iKOFP58T622ZR8rm+wpam/MV/8Ipukip2VI72O7lLJgDw+L0PHXq pd4dq7vRWNc+lnAnBLl4ycKwBxuiMFC5efrPUkidup02UG1G6SMzPUS0j yImtNFBgsZ9B7MvhzICZDtEk2NNOTSKPn0lXNlDGABFAml9lTGixejb4O 8AwAnOHkA1/XpdstiuuHdpXol9BBUcgsQ+3zQ27zJWmFJZ2qK9Tk6Qb61 +6Xz/ZrP4nJ5hixw7Z7RB1obPxeRQsw9nJF1yS0JiTuGGKp1P8kRwaz31 9B1Tmv9ot889Y01LtrUIHBooq+FbMY9XKE58L+2HzWJSDBPl6eQeBMglt g==; X-IronPort-AV: E=McAfee;i="6600,9927,10743"; a="422912993" X-IronPort-AV: E=Sophos;i="6.00,248,1681196400"; d="scan'208";a="422912993" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2023 09:51:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10743"; a="707154134" X-IronPort-AV: E=Sophos;i="6.00,248,1681196400"; d="scan'208";a="707154134" Received: from powerlab.fi.intel.com ([10.237.71.25]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jun 2023 09:51:01 -0700 From: Michal Wilczynski To: linux-acpi@vger.kernel.org Cc: rafael@kernel.org, dan.j.williams@intel.com, vishal.l.verma@intel.com, lenb@kernel.org, dave.jiang@intel.com, ira.weiny@intel.com, rui.zhang@intel.com, linux-kernel@vger.kernel.org, nvdimm@lists.linux.dev, Michal Wilczynski , "Rafael J . Wysocki" Subject: [PATCH v5 03/10] acpi/ac: Move handler installing logic to driver Date: Fri, 16 Jun 2023 19:50:27 +0300 Message-ID: <20230616165034.3630141-4-michal.wilczynski@intel.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230616165034.3630141-1-michal.wilczynski@intel.com> References: <20230616165034.3630141-1-michal.wilczynski@intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org Currently logic for installing notifications from ACPI devices is implemented using notify callback in struct acpi_driver. Preparations are being made to replace acpi_driver with more generic struct platform_driver, which doesn't contain notify callback. Furthermore as of now handlers are being called indirectly through acpi_notify_device(), which decreases performance. Call acpi_dev_install_notify_handler() at the end of .add() callback. Call acpi_dev_remove_notify_handler() at the beginning of .remove() callback. Change arguments passed to the notify function to match with what's required by acpi_install_notify_handler(). Remove .notify callback initialization in acpi_driver. Suggested-by: Rafael J. Wysocki Signed-off-by: Michal Wilczynski --- drivers/acpi/ac.c | 33 ++++++++++++++++++++++++--------- 1 file changed, 24 insertions(+), 9 deletions(-) diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 1ace70b831cd..207ee3c85bad 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -34,7 +34,7 @@ MODULE_LICENSE("GPL"); static int acpi_ac_add(struct acpi_device *device); static void acpi_ac_remove(struct acpi_device *device); -static void acpi_ac_notify(struct acpi_device *device, u32 event); +static void acpi_ac_notify(acpi_handle handle, u32 event, void *data); static const struct acpi_device_id ac_device_ids[] = { {"ACPI0003", 0}, @@ -54,11 +54,9 @@ static struct acpi_driver acpi_ac_driver = { .name = "ac", .class = ACPI_AC_CLASS, .ids = ac_device_ids, - .flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS, .ops = { .add = acpi_ac_add, .remove = acpi_ac_remove, - .notify = acpi_ac_notify, }, .drv.pm = &acpi_ac_pm, }; @@ -128,9 +126,12 @@ static enum power_supply_property ac_props[] = { }; /* Driver Model */ -static void acpi_ac_notify(struct acpi_device *device, u32 event) +static void acpi_ac_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_ac *ac = acpi_driver_data(device); + struct acpi_device *device = data; + struct acpi_ac *ac; + + ac = acpi_driver_data(device); if (!ac) return; @@ -235,7 +236,7 @@ static int acpi_ac_add(struct acpi_device *device) result = acpi_ac_get_state(ac); if (result) - goto end; + goto err_release_ac; psy_cfg.drv_data = ac; @@ -248,7 +249,7 @@ static int acpi_ac_add(struct acpi_device *device) &ac->charger_desc, &psy_cfg); if (IS_ERR(ac->charger)) { result = PTR_ERR(ac->charger); - goto end; + goto err_release_ac; } pr_info("%s [%s] (%s)\n", acpi_device_name(device), @@ -256,9 +257,20 @@ static int acpi_ac_add(struct acpi_device *device) ac->battery_nb.notifier_call = acpi_ac_battery_notify; register_acpi_notifier(&ac->battery_nb); -end: + + result = acpi_dev_install_notify_handler(device, + ACPI_ALL_NOTIFY, + acpi_ac_notify); if (result) - kfree(ac); + goto err_unregister; + + return 0; + +err_unregister: + power_supply_unregister(ac->charger); + unregister_acpi_notifier(&ac->battery_nb); +err_release_ac: + kfree(ac); return result; } @@ -297,6 +309,9 @@ static void acpi_ac_remove(struct acpi_device *device) ac = acpi_driver_data(device); + acpi_dev_remove_notify_handler(device, + ACPI_ALL_NOTIFY, + acpi_ac_notify); power_supply_unregister(ac->charger); unregister_acpi_notifier(&ac->battery_nb);