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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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15
arch/arm/include/asm/pci.h
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@@ -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