From b82db5cedf78bfeb4a1c8a28ae284dc671d26eb3 Mon Sep 17 00:00:00 2001
From: Kristen Accardi <kristen.c.accardi@intel.com>
Date: Tue, 17 Jan 2006 16:56:56 -0800
Subject: [PATCH] [PATCH] PCI: return max reserved busnr
Change the semantics of this call to return the max reserved
bus number instead of just the max assigned bus number.
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/pci/pci.c | 5 +++--
include/linux/pci.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e17cd49d6244f..0bf6d254426bf 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -19,7 +19,6 @@
#include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h"
-#if 0
/**
* pci_bus_max_busnr - returns maximum PCI bus number of given bus' children
@@ -34,7 +33,7 @@ pci_bus_max_busnr(struct pci_bus* bus)
struct list_head *tmp;
unsigned char max, n;
- max = bus->number;
+ max = bus->subordinate;
list_for_each(tmp, &bus->children) {
n = pci_bus_max_busnr(pci_bus_b(tmp));
if(n > max)
@@ -42,7 +41,9 @@ pci_bus_max_busnr(struct pci_bus* bus)
}
return max;
}
+EXPORT_SYMBOL_GPL(pci_bus_max_busnr);
+#if 0
/**
* pci_max_busnr - returns maximum PCI bus number
*
diff --git a/include/linux/pci.h b/include/linux/pci.h
index fe1a2b02fc558..2039da1f36725 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -516,6 +516,7 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass
void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
void *userdata);
int pci_cfg_space_size(struct pci_dev *dev);
+unsigned char pci_bus_max_busnr(struct pci_bus* bus);
/* kmem_cache style wrapper around pci_alloc_consistent() */
--
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