From patchwork Thu Aug 6 04:11:19 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 6955741 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 2AEAF9FC02 for ; Thu, 6 Aug 2015 04:14:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 61113203E3 for ; Thu, 6 Aug 2015 04:14:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5AAA12042A for ; Thu, 6 Aug 2015 04:14:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754136AbbHFEN5 (ORCPT ); Thu, 6 Aug 2015 00:13:57 -0400 Received: from e23smtp02.au.ibm.com ([202.81.31.144]:56520 "EHLO e23smtp02.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753040AbbHFENS (ORCPT ); Thu, 6 Aug 2015 00:13:18 -0400 Received: from /spool/local by e23smtp02.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 6 Aug 2015 14:13:15 +1000 X-Helo: d23dlp03.au.ibm.com X-MailFrom: gwshan@linux.vnet.ibm.com X-RcptTo: linux-pci@vger.kernel.org Received: from d23relay10.au.ibm.com (d23relay10.au.ibm.com [9.190.26.77]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id EF57C3578063; Thu, 6 Aug 2015 14:13:12 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay10.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id t764D43R23986206; Thu, 6 Aug 2015 14:13:12 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id t764CdWo012521; Thu, 6 Aug 2015 14:12:40 +1000 Received: from ozlabs.au.ibm.com (ozlabs.au.ibm.com [9.192.253.14]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id t764CdvU011870; Thu, 6 Aug 2015 14:12:39 +1000 Received: from bran.ozlabs.ibm.com (unknown [9.192.254.114]) by ozlabs.au.ibm.com (Postfix) with ESMTP id 0A615A03E9; Thu, 6 Aug 2015 14:11:57 +1000 (AEST) Received: from gwshan (shangw.ozlabs.ibm.com [10.61.2.199]) by bran.ozlabs.ibm.com (Postfix) with ESMTP id F2330E38F9; Thu, 6 Aug 2015 14:11:56 +1000 (AEST) Received: by gwshan (Postfix, from userid 1000) id D860494222F; Thu, 6 Aug 2015 14:11:56 +1000 (AEST) From: Gavin Shan To: linuxppc-dev@lists.ozlabs.org Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, benh@kernel.crashing.org, mpe@ellerman.id.au, bhelgaas@google.com, grant.likely@linaro.org, robherring2@gmail.com, panto@antoniou-consulting.com, aik@ozlabs.ru, Gavin Shan Subject: [PATCH v6 14/42] powerpc/pci: Override pcibios_setup_bridge() Date: Thu, 6 Aug 2015 14:11:19 +1000 Message-Id: <1438834307-26960-15-git-send-email-gwshan@linux.vnet.ibm.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1438834307-26960-1-git-send-email-gwshan@linux.vnet.ibm.com> References: <1438834307-26960-1-git-send-email-gwshan@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15080604-0005-0000-0000-00000240F94D Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 The patch overrides pcibios_setup_bridge(), called to update PCI bridge windows at completion of PCI resource assignment, to assign PE and setup various (resource) mapping in next patch. Signed-off-by: Gavin Shan --- arch/powerpc/include/asm/pci-bridge.h | 2 ++ arch/powerpc/kernel/pci-common.c | 8 ++++++++ 2 files changed, 10 insertions(+) diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index d627abf..65357a9 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -34,6 +34,8 @@ struct pci_controller_ops { /* Called during PCI resource reassignment */ resource_size_t (*window_alignment)(struct pci_bus *bus, unsigned long type); + void (*setup_bridge)(struct pci_bus *bus, + unsigned long type); void (*reset_secondary_bus)(struct pci_dev *dev); #ifdef CONFIG_PCI_MSI diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index b9de34d..9c88dcd1 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -123,6 +123,14 @@ resource_size_t pcibios_window_alignment(struct pci_bus *bus, return 1; } +void pcibios_setup_bridge(struct pci_bus *bus, unsigned long type) +{ + struct pci_controller *hose = pci_bus_to_host(bus); + + if (hose->controller_ops.setup_bridge) + hose->controller_ops.setup_bridge(bus, type); +} + void pcibios_reset_secondary_bus(struct pci_dev *dev) { struct pci_controller *phb = pci_bus_to_host(dev->bus);