From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yijing Wang Subject: [PATCH v7 05/31] PCI: Introduce pci_host_assign_domain_nr() to assign domain Date: Mon, 23 Mar 2015 20:40:31 +0800 Message-ID: <1427114457-16687-6-git-send-email-wangyijing__49403.8557204933$1427114947$gmane$org@huawei.com> References: <1427114457-16687-1-git-send-email-wangyijing@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1427114457-16687-1-git-send-email-wangyijing@huawei.com> Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: Bjorn Helgaas Cc: Jiang Liu , linux-pci@vger.kernel.org, Yinghai Lu , linux-kernel@vger.kernel.org, Marc Zyngier , linux-arm-kernel@lists.infradead.org, Russell King , x86@kernel.org, Thomas Gleixner , Benjamin Herrenschmidt , Rusty Russell , Tony Luck , linux-ia64@vger.kernel.org, "David S. Miller" , Guan Xuetao , linux-alpha@vger.kernel.org, linux-m68k@lists.linux-m68k.org, Liviu Dudau , Arnd Bergmann , Geert Uytterhoeven , Yijing Wang Introduce pci_host_assign_domain_nr() to assign domain number for pci_host_bridge. In the later patch, we would assign domain in pci_create_host_bridge, clean up the pci_bus_assign_domain_nr() and move this function into drivers/pci/host-bridge.c. Signed-off-by: Yijing Wang --- drivers/pci/pci.c | 21 ++++++++++++++++----- drivers/pci/pci.h | 4 ++++ 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 81f06e8..6677fac 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4501,10 +4501,10 @@ int pci_get_new_domain_nr(void) } #ifdef CONFIG_PCI_DOMAINS_GENERIC -void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +static int pci_assign_domain_nr(struct device *dev) { static int use_dt_domains = -1; - int domain = of_get_pci_domain_nr(parent->of_node); + int domain = of_get_pci_domain_nr(dev->of_node); /* * Check DT domain and use_dt_domains values. @@ -4538,13 +4538,24 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) use_dt_domains = 0; domain = pci_get_new_domain_nr(); } else { - dev_err(parent, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n", - parent->of_node->full_name); + dev_err(dev, "Node %s has inconsistent \"linux,pci-domain\" property in DT\n", + dev->of_node->full_name); domain = -1; } - bus->domain_nr = domain; + return domain; +} + +void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +{ + bus->domain_nr = pci_assign_domain_nr(parent); } + +void pci_host_assign_domain_nr(struct pci_host_bridge *host) +{ + host->domain = pci_assign_domain_nr(host->dev.parent); +} + #endif #endif diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index ba1bcce..1d3d2d1 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -323,11 +323,15 @@ static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe) #ifdef CONFIG_PCI_DOMAINS_GENERIC void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent); +void pci_host_assign_domain_nr(struct pci_host_bridge *host); #else static inline void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) { } +static inline void pci_host_assign_domain_nr(struct pci_host_bridge *host) +{ +} #endif #endif /* DRIVERS_PCI_H */ -- 1.7.1