From nobody Sun Oct 5 16:21:04 2025 Received: from vps-ovh.mhejs.net (vps-ovh.mhejs.net [145.239.82.108]) (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 B26C5173; Sun, 3 Aug 2025 20:04:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=145.239.82.108 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754251448; cv=none; b=i8QKklzjctomLnQ8cOvaEv076PC0iV1V7yqsnMZOFqVF4dLl+1/mjTZfuktX4zijN3v3y33oSz9eCrcxznAuoWXkmNlvtWw2RMCwTWLAM+PFueS2EkxaFkdSgL3pOKehZC2Wu1Zr8IjOYw88As3S+cOKZ8wZ0TCQaBE+x2iTyz0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754251448; c=relaxed/simple; bh=rhGlweNzP000hWH7t8pE2TgvpLoIWDrUYP0Xjk71t78=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DGSLTOZF9HpYh1ol6GbViysk3/v/A3sjTQ5lD6DtNoHpIuRIBGg/PKQNrvdiJ7DHrhPmVtl6HI14UIHPNFLOic88OSjHCVVeZ6tnFftsCWPVeZASYCWSzdZIm2/xXjPlHFtglrF0XUgiw7DD+6Vy9FFfi/VapLUf7qK7GvyaJis= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=maciej.szmigiero.name; spf=pass smtp.mailfrom=vps-ovh.mhejs.net; arc=none smtp.client-ip=145.239.82.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=maciej.szmigiero.name Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=vps-ovh.mhejs.net Received: from MUA by vps-ovh.mhejs.net with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1uieDx-00000000Mun-2Im5; Sun, 03 Aug 2025 21:18:25 +0200 From: "Maciej S. Szmigiero" To: "Rafael J. Wysocki" , Len Brown Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/2] ACPI: PM: Add power resource init function Date: Sun, 3 Aug 2025 21:18:11 +0200 Message-ID: X-Mailer: git-send-email 2.49.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: mhej@vps-ovh.mhejs.net Content-Type: text/plain; charset="utf-8" This way DMI based quirk matching and quirk flag initialization can be done just once - in the newly introduced acpi_power_resources_init() function, which is similar to existing acpi_*_init() functions. Convert the single already existing DMI match-based quirk in this ACPI power resource handler ("leave unused power resources on" quirk) to such one-time initialization in acpi_power_resources_init() function instead of re-running that DMI match each time acpi_turn_off_unused_power_resources() gets called. Signed-off-by: Maciej S. Szmigiero --- drivers/acpi/internal.h | 1 + drivers/acpi/power.c | 10 +++++++++- drivers/acpi/scan.c | 1 + 3 files changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h index e2781864fdce..63354972ab0b 100644 --- a/drivers/acpi/internal.h +++ b/drivers/acpi/internal.h @@ -140,6 +140,7 @@ int __acpi_device_uevent_modalias(const struct acpi_dev= ice *adev, /* -----------------------------------------------------------------------= --- Power Resource -----------------------------------------------------------------------= --- */ +void acpi_power_resources_init(void); void acpi_power_resources_list_free(struct list_head *list); int acpi_extract_power_resources(union acpi_object *package, unsigned int = start, struct list_head *list); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index b7243d7563b1..cd9380b1f951 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -63,6 +63,8 @@ struct acpi_power_resource_entry { struct acpi_power_resource *resource; }; =20 +static bool unused_power_resources_quirk; + static LIST_HEAD(acpi_power_resource_list); static DEFINE_MUTEX(power_resource_list_lock); =20 @@ -1046,7 +1048,7 @@ void acpi_turn_off_unused_power_resources(void) { struct acpi_power_resource *resource; =20 - if (dmi_check_system(dmi_leave_unused_power_resources_on)) + if (unused_power_resources_quirk) return; =20 mutex_lock(&power_resource_list_lock); @@ -1065,3 +1067,9 @@ void acpi_turn_off_unused_power_resources(void) =20 mutex_unlock(&power_resource_list_lock); } + +void __init acpi_power_resources_init(void) +{ + unused_power_resources_quirk =3D + dmi_check_system(dmi_leave_unused_power_resources_on); +} diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index fb1fe9f3b1a3..bb74e7834435 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2702,6 +2702,7 @@ void __init acpi_scan_init(void) acpi_memory_hotplug_init(); acpi_watchdog_init(); acpi_pnp_init(); + acpi_power_resources_init(); acpi_int340x_thermal_init(); acpi_init_lpit();