From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753447AbbCICn3 (ORCPT ); Sun, 8 Mar 2015 22:43:29 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:23392 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752242AbbCICnI (ORCPT ); Sun, 8 Mar 2015 22:43:08 -0400 From: Yijing Wang To: Bjorn Helgaas CC: Jiang Liu , , Yinghai Lu , , Marc Zyngier , , Russell King , , Thomas Gleixner , Benjamin Herrenschmidt , Rusty Russell , Tony Luck , , "David S. Miller" , "Guan Xuetao" , , , Liviu Dudau , "Arnd Bergmann" , Geert Uytterhoeven , "Yijing Wang" , Bjorn Helgaas Subject: [PATCH v6 11/30] PCI: Save sysdata in pci_host_bridge drvdata Date: Mon, 9 Mar 2015 10:34:08 +0800 Message-ID: <1425868467-9667-12-git-send-email-wangyijing@huawei.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1425868467-9667-1-git-send-email-wangyijing@huawei.com> References: <1425868467-9667-1-git-send-email-wangyijing@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.175.100.166] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Save platform specific sysdata in pci_host_bridge drvdata, host bridge specific operation need to access it before the pci bus creation. Signed-off-by: Yijing Wang Signed-off-by: Bjorn Helgaas --- drivers/pci/host-bridge.c | 4 +++- drivers/pci/pci.h | 4 +++- drivers/pci/probe.c | 18 ++++++++---------- 3 files changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/pci/host-bridge.c b/drivers/pci/host-bridge.c index 0bb08ef..3c34c49 100644 --- a/drivers/pci/host-bridge.c +++ b/drivers/pci/host-bridge.c @@ -23,7 +23,8 @@ static void pci_release_host_bridge_dev(struct device *dev) } struct pci_host_bridge *pci_create_host_bridge( - struct device *parent, u32 db, struct list_head *resources) + struct device *parent, u32 db, + struct list_head *resources, void *sysdata) { int error; int bus = PCI_BUSNUM(db); @@ -58,6 +59,7 @@ struct pci_host_bridge *pci_create_host_bridge( host->dev.parent = parent; INIT_LIST_HEAD(&host->windows); host->dev.release = pci_release_host_bridge_dev; + dev_set_drvdata(&host->dev, sysdata); dev_set_name(&host->dev, "pci%04x:%02x", host->domain, host->busnum); diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 3de5e51..79a8894 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -324,6 +324,8 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe) #endif struct pci_host_bridge *pci_create_host_bridge( - struct device *parent, u32 dombus, struct list_head *resources); + struct device *parent, u32 dombus, + struct list_head *resources, void *sysdata); + void pci_free_host_bridge(struct pci_host_bridge *host); #endif /* DRIVERS_PCI_H */ diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 7238fa3..c8e074d 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1866,8 +1866,7 @@ void __weak pcibios_remove_bus(struct pci_bus *bus) } static struct pci_bus *__pci_create_root_bus( - struct pci_host_bridge *bridge, struct pci_ops *ops, - void *sysdata) + struct pci_host_bridge *bridge, struct pci_ops *ops) { int error; struct pci_bus *b; @@ -1883,7 +1882,7 @@ static struct pci_bus *__pci_create_root_bus( if (!b) return NULL; - b->sysdata = sysdata; + b->sysdata = dev_get_drvdata(&bridge->dev); b->ops = ops; b->number = b->busn_res.start = bridge->busnum; pci_bus_assign_domain_nr(b, parent); @@ -1955,11 +1954,11 @@ struct pci_bus *pci_create_root_bus(struct device *parent, u32 db, { struct pci_host_bridge *host; - host = pci_create_host_bridge(parent, db, resources); + host = pci_create_host_bridge(parent, db, resources, sysdata); if (!host) return NULL; - return __pci_create_root_bus(host, ops, sysdata); + return __pci_create_root_bus(host, ops); } int pci_bus_insert_busn_res(struct pci_bus *b, int bus, int bus_max) @@ -2026,8 +2025,7 @@ void pci_bus_release_busn_res(struct pci_bus *b) } static struct pci_bus *__pci_scan_root_bus( - struct pci_host_bridge *host, struct pci_ops *ops, - void *sysdata) + struct pci_host_bridge *host, struct pci_ops *ops) { struct resource_entry *window; bool found = false; @@ -2040,7 +2038,7 @@ static struct pci_bus *__pci_scan_root_bus( break; } - b = __pci_create_root_bus(host, ops, sysdata); + b = __pci_create_root_bus(host, ops); if (!b) { pci_free_host_bridge(host); return NULL; @@ -2066,11 +2064,11 @@ struct pci_bus *pci_scan_root_bus(struct device *parent, u32 db, { struct pci_host_bridge *host; - host = pci_create_host_bridge(parent, db, resources); + host = pci_create_host_bridge(parent, db, resources, sysdata); if (!host) return NULL; - return __pci_scan_root_bus(host, ops, sysdata); + return __pci_scan_root_bus(host, ops); } EXPORT_SYMBOL(pci_scan_root_bus); -- 1.7.1