From patchwork Wed Oct 16 19:44:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Helgaas X-Patchwork-Id: 11194069 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 18A541390 for ; Wed, 16 Oct 2019 19:44:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC06B21A49 for ; Wed, 16 Oct 2019 19:44:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571255099; bh=a+eVuLrgzrO9drVaHfvt7ADhX2JYoreKzv/cchTKdcQ=; h=From:To:Cc:Subject:Date:List-ID:From; b=hpP3GWh3KbOfRb2XbqEmhWSeQDofQxMrU7LYNcY5zteB9i9Gc9+YQxzEKfZyDwkbg 000ttD6dkpeJ3D2WDAK4wQlodluq0ATzSLWFkD0U3JkcaMdcaSdRw+qz98X+ED1EN4 TJm7j+HGIQow68BHYG1Tr7+jauJuE6ySrZDp8VCQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729672AbfJPToz (ORCPT ); Wed, 16 Oct 2019 15:44:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:46124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727148AbfJPToy (ORCPT ); Wed, 16 Oct 2019 15:44:54 -0400 Received: from localhost (unknown [69.71.4.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E780421835; Wed, 16 Oct 2019 19:44:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571255094; bh=a+eVuLrgzrO9drVaHfvt7ADhX2JYoreKzv/cchTKdcQ=; h=From:To:Cc:Subject:Date:From; b=N7P7XmA4fIAb2RTDSN/3aFMogQqqQYvmq9gt37Rv/aOR0GWsQTKokBBvpo/sQQeD1 OK/EANIGdGZswaeiowWddtw470RJdK4eCZvHVLb7V0ogRRv55L1XD+kfXGDKZ86bHi IsAZDhY6XXrvSAjz7KwohX/b5JXXggeJL1k6O9DI= From: Bjorn Helgaas To: "Rafael J . Wysocki" Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Bjorn Helgaas Subject: [PATCH] PCI/PM: Note that PME can be generated from D0 Date: Wed, 16 Oct 2019 14:44:50 -0500 Message-Id: <20191016194450.68959-1-helgaas@kernel.org> X-Mailer: git-send-email 2.23.0.700.g56cf767bdb-goog MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Bjorn Helgaas Per PCIe r5.0 sec 7.5.2.1, PME may be generated from D0, so update Documentation/power/pci.rst to reflect that. Signed-off-by: Bjorn Helgaas Reviewed-by: Rafael J. Wysocki --- Documentation/power/pci.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/power/pci.rst b/Documentation/power/pci.rst index db41a770a2f5..a90e82c70a3b 100644 --- a/Documentation/power/pci.rst +++ b/Documentation/power/pci.rst @@ -130,8 +130,8 @@ a full power-on reset sequence and the power-on defaults are restored to the device by hardware just as at initial power up. PCI devices supporting the PCI PM Spec can be programmed to generate PMEs -while in a low-power state (D1-D3), but they are not required to be capable -of generating PMEs from all supported low-power states. In particular, the +while in any power state (D0-D3), but they are not required to be capable +of generating PMEs from all supported power states. In particular, the capability of generating PMEs from D3cold is optional and depends on the presence of additional voltage (3.3Vaux) allowing the device to remain sufficiently active to generate a wakeup signal.