From patchwork Mon May 4 07:07:32 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yang X-Patchwork-Id: 6323471 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 729939F1C2 for ; Mon, 4 May 2015 07:09:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 961652034A for ; Mon, 4 May 2015 07:09:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9F010202FF for ; Mon, 4 May 2015 07:09:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752051AbbEDHJc (ORCPT ); Mon, 4 May 2015 03:09:32 -0400 Received: from e23smtp08.au.ibm.com ([202.81.31.141]:51174 "EHLO e23smtp08.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750977AbbEDHJb (ORCPT ); Mon, 4 May 2015 03:09:31 -0400 Received: from /spool/local by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 4 May 2015 17:09:29 +1000 Received: from d23dlp03.au.ibm.com (202.81.31.214) by e23smtp08.au.ibm.com (202.81.31.205) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 4 May 2015 17:09:28 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 1A6013578053 for ; Mon, 4 May 2015 17:09:28 +1000 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t4479JED10551470 for ; Mon, 4 May 2015 17:09:28 +1000 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t4478snO032722 for ; Mon, 4 May 2015 17:08:55 +1000 Received: from localhost ([9.123.251.135]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t4478sNH032360; Mon, 4 May 2015 17:08:54 +1000 From: Wei Yang To: gwshan@linux.vnet.ibm.com, bhelgaas@google.com Cc: linuxppc-dev@lists.ozlabs.org, linux-pci@vger.kernel.org, Wei Yang Subject: [PATCH V3 3/9] powerpc/pci: remove PCI devices in reverse order Date: Mon, 4 May 2015 15:07:32 +0800 Message-Id: <1430723258-21299-4-git-send-email-weiyang@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1430723258-21299-1-git-send-email-weiyang@linux.vnet.ibm.com> References: <1430723258-21299-1-git-send-email-weiyang@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15050407-0029-0000-0000-0000017D88DF Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As commit ac205b7b ("PCI: make sriov work with hotplug remove") indicates, when removing PCI devices on a bus which has VFs, we need to remove them in the reverse order. This patch applies this pattern to the hotplug removal code for the powerpc arch. Signed-off-by: Wei Yang Acked-by: Gavin Shan --- arch/powerpc/kernel/pci-hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c index 7ed85a6..98f84ed 100644 --- a/arch/powerpc/kernel/pci-hotplug.c +++ b/arch/powerpc/kernel/pci-hotplug.c @@ -50,7 +50,7 @@ void pcibios_remove_pci_devices(struct pci_bus *bus) pr_debug("PCI: Removing devices on bus %04x:%02x\n", pci_domain_nr(bus), bus->number); - list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) { + list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) { pr_debug(" Removing %s...\n", pci_name(dev)); pci_stop_and_remove_bus_device(dev); }