From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) (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 311AD13774D; Tue, 9 Dec 2025 13:56:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765288605; cv=none; b=RGhL9xg3AbYyXm2rfAvhppebPVpkOs0ybr4cOjGq3B48B+2FeU3J6OHsqc8atxaA5vIku3qCPhHzrxGgQiyzHelTHtRr+qpf2ooXTuBpRbK9SiK9yOMTLYOIHdHs9UletUGMrQOX1dhLxlIypDssth+MLG1vxBN9+ncLnw+mV+k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765288605; c=relaxed/simple; bh=ttKrI/ud2DlVrCezuXKRM0BCeucPO/3RAV3aLAtzE5k=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IzAXAixVgR4eiN7k10IQiS5QJxtOSPbsa1r+WaFlKLNWL1aNST2EY/BHPqP52hv7/3KFeJqtIXpdyp6sras5aNgMoxGn56rMp7Vs7Ikp+TroeEF/qCphfGncqShC867k7MyAEyiVPc0aREC1A80nbPl2rnFOzBbFldoLwT4MFFY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de; spf=pass smtp.mailfrom=gmx.de; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b=hJjr6clO; arc=none smtp.client-ip=212.227.17.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b="hJjr6clO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.de; s=s31663417; t=1765288597; x=1765893397; i=w_armin@gmx.de; bh=EVNMjV3jmVlMTTv94C7Yeg6hKSaSksBzJaCuvJDk5gM=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=hJjr6clOri5akSM9Lt55wIJMjLX8ujTHuN9pW+TBiV9vUBLMRWp5r8tgfYeSTWyt 8vHsy0iz0Qsbld9cxciAY+/eW6ExOvP/rF7aStAEYSF3ra0mq2cYUh3KNn75Zj0NA cb5zcSsf4sv4yB6XiBimWBc8k0j2pNg1zuXdz+5RfSzIUCm1fqF1eadS41apl40Ck bUuMSVlr9HyCqBoZ5uu/wGhej8vJVqVgY80629bF5aN+sjst1D/wvt6crUAIgU2Ni EmsqGShfoN+taesji2Zjn0Q8REYf0+8cAbD6E2huwRW4VLmyDA4X+nCM/yD9j1inG HrLHwwY5E0XewuiIgw== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [172.16.52.96] ([141.76.8.160]) by mail.gmx.net (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M2wGi-1vRrk83zLQ-00CJTg; Tue, 09 Dec 2025 14:56:37 +0100 Message-ID: <168f173d-0d1a-49b0-9461-72f8fb0fc701@gmx.de> Date: Tue, 9 Dec 2025 14:56:36 +0100 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 0/2] PCI: ACPI: PM: Rework root bus wakeup notification setup and wakeup source registration To: "Rafael J. Wysocki" Cc: Linux ACPI , Linux PM , Linux PCI , LKML , Bjorn Helgaas References: <2395536.ElGaqSPkdT@rafael.j.wysocki> Content-Language: en-US From: Armin Wolf In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:phyMCced2GrpYLVojW/Eb8QQ3+xpJK59xcncOgapqorYVJBO5yu AJCaTrvFFcPV3P2SO6+y0dphaNhd2Qh6K5vPCiYo504uByFapFZ3q/z9QImxlD+5Fcoj00j wd8lajTrRqDoE0chNoSYhNuUNSsw+LWIUjjW9KlNSbWJa2+CB0jyDc+YzyNbUeY0NZX6ifO lYvOUY/9sbvnfKGYKAdXw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:fYV2KyC7SL0=;3NiTnvevZZ79mSGttjIZTzoLoTb Z4q026ist9BQadRUSEcPBWSv7XGKELzrYu/hhgB1Lkdk9KOtBCVHL5oNi3XG893z14jUF2doS 7ooCDRyHbD3VGwM0l3xtLSeKRgG+M6LunWjcSOeSPOE22ztANCkzWyNUXhKpMjLuT5O90ybOV UO6ZKjmne/7k51LIrH+l+110PfPDeXJofXRD/9iF714UdHsiuER3lRBDZYEDyLlef5bF+7OjN WV+qL7Jszxv+DOHbM6TpMx7IDykbTG0wmqO+hEEAHFJYnmTNv3s/t6zd50EARPrgBEvgxjztF 7XJpyglMvvtlPNGT2za/cQP5tcyAvXcZg6c0BtHOt2IEw9xmk83iINFrZ7Y+47Q/kRR50AzZK 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Wysocki: > On Mon, Dec 8, 2025 at 9:01=E2=80=AFPM Armin Wolf wrote= : >> Am 08.12.25 um 13:09 schrieb Rafael J. Wysocki: >> >>> Hi All, >>> >>> Patch [1/2] updates the registration of PCI root bus wakeup notificati= on setup >>> in order to simplify code in pci_acpi_wake_bus() and to prepare for th= e other >>> change. This is not expected to affect functionality. >>> >>> Patch [2/2] modifies the ACPI PM notifier registration to add wakeup s= ources >>> under devices that are going to be affected by wakeup handling instead= of >>> registering them under ACPI companions of those devices (rationale exp= lained >>> in the patch changelog). This will change the sysfs layout (wakeup so= urce >>> devices associated with PCI wakeup are now going to appear under PCI d= evices >>> and the host bridge device), but it is not expected to affect user spa= ce >>> adversely. >>> >>> Thanks! >> I tested both patches, and the sysfs layout changes as expected: >> >> $ readlink /sys/class/wakeup/wakeup*/device >> ../../../device:00 >> ../../../device:1a >> ../../../device:1f >> ../../../device:20 >> ../../../0000:00:08.1 >> ../../../device:36 >> ../../../device:31 >> ../../../device:32 >> ../../../device:3c >> ../../../0000:01:00.0 >> ../../../device:3d >> ../../../PNP0C02:00 >> ../../../0000:02:00.0 >> ../../../device:3e >> ../../../device:3f >> ../../../device:46 >> ../../../0000:04:00.0 >> ../../../device:47 >> ../../../0000:05:00.0 >> ../../../device:57 >> ../../../0000:05:08.0 >> ../../../device:59 >> ../../../device:01 >> ../../../0000:05:09.0 >> ../../../device:5b >> ../../../0000:05:0a.0 >> ../../../device:5d >> ../../../0000:05:0b.0 >> ../../../device:5f >> ../../../0000:05:0c.0 >> ../../../device:74 >> ../../../0000:05:0d.0 >> ../../../device:5a >> ../../../device:3a >> ../../../device:5c >> ../../../device:60 >> ../../../device:75 >> ../../../LNXVIDEO:00 >> ../../../device:22 >> ../../../PNP0C02:02 >> ../../../device:25 >> ../../../device:2b >> ../../../device:24 >> ../../../device:37 >> ../../../0000:00:01.1 >> ../../../PNP0A08:00 >> ../../../LNXPWRBN:00 >> ../../../AMDI0010:00 >> ../../../AMDI0030:00 >> ../../../00:02 >> ../../../alarmtimer.0.auto >> ../../../PNP0C0C:00 >> ../../../0000:0b:00.0 >> ../../../AMDIF031:00 >> ../../../PNP0C14:00 >> ../../../device:0a >> ../../../PNP0C14:01 >> ../../../PNP0C14:02 >> ../../../PNP0C14:03 >> ../../../0000:0e:00.3 >> ../../../0000:0e:00.4 >> ../../../0000:0f:00.0 >> ../../../5-2 >> ../../../1-5.3 >> ../../hidpp_battery_0 >> ../../../device:44 >> ../../../0000:00:02.1 >> ../../../device:76 >> ../../../device:0b >> >> turns into: >> >> $ readlink /sys/class/wakeup/wakeup*/device >> ../../../0000:00:00.0 >> ../../../0000:00:04.0 >> ../../../0000:00:08.0 >> ../../../0000:00:08.1 >> ../../../0000:00:08.1 >> ../../../0000:00:08.3 >> ../../../0000:00:14.0 >> ../../../0000:00:14.3 >> ../../../0000:01:00.0 >> ../../../0000:01:00.0 >> ../../../0000:02:00.0 >> ../../../0000:00:00.2 >> ../../../0000:02:00.0 >> ../../../0000:03:00.0 >> ../../../0000:03:00.1 >> ../../../0000:04:00.0 >> ../../../0000:04:00.0 >> ../../../0000:05:00.0 >> ../../../0000:05:00.0 >> ../../../0000:05:08.0 >> ../../../0000:05:08.0 >> ../../../0000:05:09.0 >> ../../../0000:00:01.0 >> ../../../0000:05:09.0 >> ../../../0000:05:0a.0 >> ../../../0000:05:0a.0 >> ../../../0000:05:0b.0 >> ../../../0000:05:0b.0 >> ../../../0000:05:0c.0 >> ../../../0000:05:0c.0 >> ../../../0000:05:0d.0 >> ../../../0000:05:0d.0 >> ../../../0000:08:00.0 >> ../../../0000:00:01.1 >> ../../../0000:09:00.0 >> ../../../0000:0b:00.0 >> ../../../0000:0c:00.0 >> ../../../0000:0e:00.0 >> ../../../0000:0e:00.1 >> ../../../0000:0e:00.2 >> ../../../0000:0e:00.3 >> ../../../0000:0e:00.4 >> ../../../0000:0e:00.6 >> ../../../0000:0f:00.0 >> ../../../0000:00:01.1 >> ../../../pci0000:00 >> ../../../LNXPWRBN:00 >> ../../../AMDI0010:00 >> ../../../AMDI0030:00 >> ../../../00:02 >> ../../../alarmtimer.0.auto >> ../../../PNP0C0C:00 >> ../../../0000:0b:00.0 >> ../../../AMDIF031:00 >> ../../../PNP0C14:00 >> ../../../0000:00:02.0 >> ../../../PNP0C14:01 >> ../../../PNP0C14:02 >> ../../../PNP0C14:03 >> ../../../0000:0e:00.3 >> ../../../0000:0e:00.4 >> ../../../0000:0f:00.0 >> ../../../5-2 >> ../../../1-5.3 >> ../../hidpp_battery_0 >> ../../../0000:00:02.1 >> ../../../0000:00:02.1 >> ../../../0000:00:02.2 >> ../../../0000:00:03.0 >> >> The remaining ACPI devices are likely caused by device drivers based up= on struct acpi_driver. >> I was unable to test the wakeup itself since suspend is currently broke= n due to issues with >> cpuidle, > Have you reported those? What cpuidle driver is involved? > > If you happen to be using the ACPI idle driver, there is a regression > between 6.18-rc7 and final 6.18 due to a missing revert, but final > 6.18 should be as expected. If i remember correctly the official 6.18 kernel was not affected by this,= i used the the bleeding-edge branch when building the test kernel. I will do some further debugging once i am back home. Thanks, Armin Wolf >> but i suspect that this has nothing to do with the patch series. > Right, cpuidle is entirely orthogonal to this. > >> So for the whole series: >> Reviewed-by: Armin Wolf > Thank you!