From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756931Ab0JOUKt (ORCPT ); Fri, 15 Oct 2010 16:10:49 -0400 Received: from cpoproxy2-pub.bluehost.com ([67.222.39.38]:56204 "HELO cpoproxy2-pub.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1756918Ab0JOUKq (ORCPT ); Fri, 15 Oct 2010 16:10:46 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References:X-Mailer:Mime-Version:Content-Type:Content-Transfer-Encoding:X-Identified-User; b=Nq3ZVRBOf1odsVcKBTDbZsSZBm+DWBd5FA03VqbCcc0U5UimRH5E2EaAXsBJd+142udZ6RbNZuSdgfZA2eF/i9e0y8VYJddF1EweJ/Yoi1fQhe56dwyH/aMIZoaWKdkX; Date: Fri, 15 Oct 2010 13:10:28 -0700 From: Jesse Barnes To: Matthew Garrett Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH 5/5] pci: Add support for polling PME state on suspended legacy PCI devices Message-ID: <20101015131028.7fffba40@jbarnes-desktop> In-Reply-To: <1286216549-5438-6-git-send-email-mjg@redhat.com> References: <1286216549-5438-1-git-send-email-mjg@redhat.com> <1286216549-5438-6-git-send-email-mjg@redhat.com> X-Mailer: Claws Mail 3.7.6 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.174.193.198 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 4 Oct 2010 14:22:29 -0400 Matthew Garrett wrote: > Not all hardware vendors hook up the PME line for legacy PCI devices, > meaning that wakeup events get lost. The only way around this is to poll > the devices to see if their state has changed, so add support for doing > that on legacy PCI devices that aren't part of the core chipset. > > Signed-off-by: Matthew Garrett > --- > drivers/pci/pci.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 files changed, 77 insertions(+), 0 deletions(-) Yuck, polling. But I guess we don't have an alternative short of rewiring all the cheap platforms out there! So, applied. -- Jesse Barnes, Intel Open Source Technology Center