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ARM: 6058/1: Add support for PCI domains

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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>
This commit is contained in:
Anton Vorontsov
2010-04-19 13:20:49 +01:00
committed by Russell King
parent e193ba290f
commit 52882173cf
4 changed files with 33 additions and 0 deletions
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11
arch/arm/include/asm/mach/pci.h
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@@ -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 */