From patchwork Wed Apr 26 11:18:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Pieralisi X-Patchwork-Id: 755416 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3wCcyT75FZz9s8Q for ; Wed, 26 Apr 2017 21:18:25 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993368AbdDZLSZ (ORCPT ); Wed, 26 Apr 2017 07:18:25 -0400 Received: from foss.arm.com ([217.140.101.70]:54258 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1948412AbdDZLSY (ORCPT ); Wed, 26 Apr 2017 07:18:24 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E8D781A3B; Wed, 26 Apr 2017 04:18:18 -0700 (PDT) Received: from red-moon.cambridge.arm.com (red-moon.cambridge.arm.com [10.1.206.55]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 04C283F3E1; Wed, 26 Apr 2017 04:18:14 -0700 (PDT) From: Lorenzo Pieralisi To: linux-pci@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Lorenzo Pieralisi , Bjorn Helgaas , Arnd Bergmann , Will Deacon , Russell King , Pratyush Anand , Jingoo Han , Rob Herring , Simon Horman , Mingkai Hu , Tanmay Inamdar , Murali Karicheri , Bharat Kumar Gogada , Wenrui Li , Shawn Lin , Minghuan Lian , Gabriele Paoloni , Thomas Petazzoni , Joao Pinto , Thierry Reding , Michal Simek , Stanimir Varbanov , Zhou Wang , Roy Zang , Matthew Minter Subject: [RFC/RFT PATCH 11/18] PCI: Remove pci_scan_root_bus_msi() Date: Wed, 26 Apr 2017 12:18:02 +0100 Message-Id: <20170426111809.19922-12-lorenzo.pieralisi@arm.com> X-Mailer: git-send-email 2.10.0 In-Reply-To: <20170426111809.19922-1-lorenzo.pieralisi@arm.com> References: <20170426111809.19922-1-lorenzo.pieralisi@arm.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org The pci_scan_root_bus_bridge() function allows passing a parameterized struct pci_host_bridge and scanning the resulting PCI bus; since the struct msi_controller is part of the struct pci_host_bridge and the struct pci_host_bridge can now be passed to pci_scan_root_bus_bridge() explicitly, there is no need for a scan interface with a MSI controller parameter. With all PCI host controller drivers and platform code relying on pci_scan_root_bus_msi() converted over to pci_scan_root_bus_bridge() the pci_scan_root_bus_msi() becomes obsolete and can be removed. Signed-off-by: Lorenzo Pieralisi Cc: Bjorn Helgaas --- drivers/pci/probe.c | 27 +++++---------------------- include/linux/pci.h | 4 ---- 2 files changed, 5 insertions(+), 26 deletions(-) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index c7a7f72..de259f3 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -2311,9 +2311,8 @@ void __weak pcibios_remove_bus(struct pci_bus *bus) { } -static struct pci_bus *pci_create_root_bus_msi(struct device *parent, - int bus, struct pci_ops *ops, void *sysdata, - struct list_head *resources, struct msi_controller *msi) +struct pci_bus *pci_create_root_bus(struct device *parent, int bus, + struct pci_ops *ops, void *sysdata, struct list_head *resources) { int error; struct pci_host_bridge *bridge; @@ -2328,7 +2327,6 @@ static struct pci_bus *pci_create_root_bus_msi(struct device *parent, bridge->sysdata = sysdata; bridge->busnr = bus; bridge->ops = ops; - bridge->msi = msi; error = pci_register_host_bridge(bridge); if (error < 0) @@ -2340,13 +2338,6 @@ static struct pci_bus *pci_create_root_bus_msi(struct device *parent, kfree(bridge); return NULL; } - -struct pci_bus *pci_create_root_bus(struct device *parent, int bus, - struct pci_ops *ops, void *sysdata, struct list_head *resources) -{ - return pci_create_root_bus_msi(parent, bus, ops, sysdata, resources, - NULL); -} EXPORT_SYMBOL_GPL(pci_create_root_bus); int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int bus_max) @@ -2450,9 +2441,8 @@ int pci_scan_root_bus_bridge(struct pci_host_bridge *bridge) return 0; } -struct pci_bus *pci_scan_root_bus_msi(struct device *parent, int bus, - struct pci_ops *ops, void *sysdata, - struct list_head *resources, struct msi_controller *msi) +struct pci_bus *pci_scan_root_bus(struct device *parent, int bus, + struct pci_ops *ops, void *sysdata, struct list_head *resources) { struct resource_entry *window; bool found = false; @@ -2465,7 +2455,7 @@ struct pci_bus *pci_scan_root_bus_msi(struct device *parent, int bus, break; } - b = pci_create_root_bus_msi(parent, bus, ops, sysdata, resources, msi); + b = pci_create_root_bus(parent, bus, ops, sysdata, resources); if (!b) return NULL; @@ -2483,13 +2473,6 @@ struct pci_bus *pci_scan_root_bus_msi(struct device *parent, int bus, return b; } - -struct pci_bus *pci_scan_root_bus(struct device *parent, int bus, - struct pci_ops *ops, void *sysdata, struct list_head *resources) -{ - return pci_scan_root_bus_msi(parent, bus, ops, sysdata, resources, - NULL); -} EXPORT_SYMBOL(pci_scan_root_bus); struct pci_bus *pci_scan_bus(int bus, struct pci_ops *ops, diff --git a/include/linux/pci.h b/include/linux/pci.h index 757779a..6aa0090 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -840,10 +840,6 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus, int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int busmax); int pci_bus_update_busn_res_end(struct pci_bus *b, int busmax); void pci_bus_release_busn_res(struct pci_bus *b); -struct pci_bus *pci_scan_root_bus_msi(struct device *parent, int bus, - struct pci_ops *ops, void *sysdata, - struct list_head *resources, - struct msi_controller *msi); struct pci_bus *pci_scan_root_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata, struct list_head *resources);