diff options
| author | Anton Vorontsov <cbouatmailru@gmail.com> | 2010-04-19 12:20:49 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-04-22 20:38:11 (GMT) |
| commit | 52882173cfed4fabcc1496755000bf022d681e52 (patch) | |
| tree | 6f30bfd65acd01fa8eda00df14fd17b318268c73 /arch/arm/include/asm | |
| parent | e193ba290f0228453341b41ab2bbdd963259f97e (diff) | |
| download | linux-fsl-qoriq-52882173cfed4fabcc1496755000bf022d681e52.tar.xz | |
ARM: 6058/1: Add support for PCI domains
This patch adds support for PCI domains on ARM platforms.
Also, protect asm/mach/pci.h from multiple inclustions, otherwise
build fails because of pci_domain_nr() and pci_proc_domain()
redefinitions.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/mach/pci.h | 11 | ||||
| -rw-r--r-- | arch/arm/include/asm/pci.h | 15 |
2 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/include/asm/mach/pci.h b/arch/arm/include/asm/mach/pci.h index a38bdc7..52f0da1 100644 --- a/arch/arm/include/asm/mach/pci.h +++ b/arch/arm/include/asm/mach/pci.h @@ -8,10 +8,16 @@ * published by the Free Software Foundation. */ +#ifndef __ASM_MACH_PCI_H +#define __ASM_MACH_PCI_H + struct pci_sys_data; struct pci_bus; struct hw_pci { +#ifdef CONFIG_PCI_DOMAINS + int domain; +#endif struct list_head buses; int nr_controllers; int (*setup)(int nr, struct pci_sys_data *); @@ -26,6 +32,9 @@ struct hw_pci { * Per-controller structure */ struct pci_sys_data { +#ifdef CONFIG_PCI_DOMAINS + int domain; +#endif struct list_head node; int busnr; /* primary bus number */ u64 mem_offset; /* bus->cpu memory mapping offset */ @@ -70,3 +79,5 @@ extern int pci_v3_setup(int nr, struct pci_sys_data *); extern struct pci_bus *pci_v3_scan_bus(int nr, struct pci_sys_data *); extern void pci_v3_preinit(void); extern void pci_v3_postinit(void); + +#endif /* __ASM_MACH_PCI_H */ diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h index 4798011..92e2a83 100644 --- a/arch/arm/include/asm/pci.h +++ b/arch/arm/include/asm/pci.h @@ -4,8 +4,23 @@ #ifdef __KERNEL__ #include <asm-generic/pci-dma-compat.h> +#include <asm/mach/pci.h> /* for pci_sys_data */ #include <mach/hardware.h> /* for PCIBIOS_MIN_* */ +#ifdef CONFIG_PCI_DOMAINS +static inline int pci_domain_nr(struct pci_bus *bus) +{ + struct pci_sys_data *root = bus->sysdata; + + return root->domain; +} + +static inline int pci_proc_domain(struct pci_bus *bus) +{ + return pci_domain_nr(bus); +} +#endif /* CONFIG_PCI_DOMAINS */ + #ifdef CONFIG_PCI_HOST_ITE8152 /* ITE bridge requires setting latency timer to avoid early bus access termination by PIC bus mater devices |