openwrt/target/linux/ar71xx/patches-3.8/016-MIPS-ath79-allow-to-specify-bus-number-in-PCI-IRQ-ma.patch

From 53ba4919664636487155c810fb49781169780e0c Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Sun, 3 Feb 2013 09:58:37 +0000
Subject: [PATCH] MIPS: ath79: allow to specify bus number in PCI IRQ maps

commit 617fed41e98417f3ea3e9974be251e125c8796f2 upstream.

This is needed for multiple PCI bus support.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4913/
Signed-off-by: John Crispin <blogic@openwrt.org>
---
 arch/mips/ath79/pci.c |    4 +++-
 arch/mips/ath79/pci.h |    1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

--- a/arch/mips/ath79/pci.c
+++ b/arch/mips/ath79/pci.c
@@ -75,7 +75,9 @@ int __init pcibios_map_irq(const struct
 		const struct ath79_pci_irq *entry;
 
 		entry = &ath79_pci_irq_map[i];
-		if (entry->slot == slot && entry->pin == pin) {
+		if (entry->bus == dev->bus->number &&
+		    entry->slot == slot &&
+		    entry->pin == pin) {
 			irq = entry->irq;
 			break;
 		}
--- a/arch/mips/ath79/pci.h
+++ b/arch/mips/ath79/pci.h
@@ -14,6 +14,7 @@
 #define _ATH79_PCI_H
 
 struct ath79_pci_irq {
+	int	bus;
 	u8	slot;
 	u8	pin;
 	int	irq;