Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753409Ab3FZWbU (ORCPT ); Wed, 26 Jun 2013 18:31:20 -0400 Received: from mail-ie0-f169.google.com ([209.85.223.169]:51425 "EHLO mail-ie0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753343Ab3FZWbS (ORCPT ); Wed, 26 Jun 2013 18:31:18 -0400 MIME-Version: 1.0 In-Reply-To: References: <1372177330-28013-1-git-send-email-mika.westerberg@linux.intel.com> <1372177330-28013-7-git-send-email-mika.westerberg@linux.intel.com> Date: Wed, 26 Jun 2013 15:31:18 -0700 X-Google-Sender-Auth: gYwS45rZJ8IUZZSHCphZi7ecg1w Message-ID: Subject: Re: [PATCH 6/6] x86/PCI: quirk Thunderbolt PCI-to-PCI bridges From: Yinghai Lu To: Bjorn Helgaas Cc: Mika Westerberg , Greg Kroah-Hartman , "Rafael J. Wysocki" , Jesse Barnes , "Ronciak, John" , "Penner, Miles J" , Bruce Allan , "Kirill A. Shutemov" , Heikki Krogerus , "linux-kernel@vger.kernel.org" , "linux-pci@vger.kernel.org" , "x86@kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1178 Lines: 27 On Wed, Jun 26, 2013 at 3:26 PM, Yinghai Lu wrote: > On Wed, Jun 26, 2013 at 3:18 PM, Bjorn Helgaas wrote: >> On Tue, Jun 25, 2013 at 10:22 AM, Mika Westerberg >> wrote: >>> Thunderbolt PCI-to-PCI bridges typically use BIOS "assisted" enumeration. >>> This means that the BIOS will allocate bridge resources based on some >>> assumptions of a maximum Thunderbolt chain. It also disables native PCIe >>> hotplug of the root port where the Thunderbolt host router is connected. > > We should not need tricks in this patch after > > https://patchwork.kernel.org/patch/2766521/ > > [2/3] PCI / ACPI: Use boot-time resource allocation rules during hotplug > BTW, Rafael, looks like that "boot-time" is not accurate here. During acpi hotplug, firmare could do extra help for us like assign some resources to pci device bars, so it is NOT "boot-time". Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/