From 52882173cfed4fabcc1496755000bf022d681e52 Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <cbouatmailru@gmail.com>
Date: Mon, 19 Apr 2010 13:20:49 +0100
Subject: 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>
---
 arch/arm/include/asm/pci.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'arch/arm/include/asm/pci.h')

diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 47980118d0a..92e2a833693 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
-- 
cgit v1.2.3