[RFC PATCH 14/16] arm/PCI: Introduce pci_get_domain_nr()
From: Yijing Wang <hidden>
Date: 2014-11-17 09:42:12
Also in:
linux-arm-kernel, linux-pci, lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Signed-off-by: Yijing Wang <redacted> --- arch/arm/include/asm/mach/pci.h | 9 +++++++++ arch/arm/kernel/bios32.c | 8 ++++++-- 2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h
index f19f627..370b3bd 100644
--- a/arch/arm/include/asm/mach/pci.h
+++ b/arch/arm/include/asm/mach/pci.h@@ -90,6 +90,15 @@ extern void pci_map_io_early(unsigned long pfn); static inline void pci_map_io_early(unsigned long pfn) {} #endif +#ifdef CONFIG_PCI_DOMAINS_GENERIC +int pci_get_domain_nr(struct device *parent) +#else +static inline int pci_get_domain_nr(struct device *parent) +{ + return 0; +} +#endif + /* * PCI controllers */
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index d8c2b4e..3fe56f1 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c@@ -513,7 +513,7 @@ static void pcibios_init_hw(struct device *parent, struct hw_pci *hw, #ifdef CONFIG_PCI_DOMAINS_GENERIC static bool dt_domain_found; -void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +int pci_get_domain_nr(struct device *parent) { int domain = of_get_pci_domain_nr(parent->of_node);
@@ -526,8 +526,12 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) } else { domain = pci_get_new_domain_nr(); } + return domain; +} - bus->domain_nr = domain; +void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent) +{ + bus->domain_nr = pci_get_domain_nr(parent); } #endif
--
1.7.1