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[PATCH] PCI: return max reserved busnr

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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>
This commit is contained in:
Kristen Accardi 2006-01-17 16:56:56 -08:00 • committed by Greg Kroah-Hartman
commit b82db5cedf
2 changed files with 4 additions and 2 deletions
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5
drivers/pci/pci.c
View file

@ -19,7 +19,6 @@
#include <asm/dma.h> /* isa_dma_bridge_buggy */ #include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h" #include "pci.h"
#if 0
/** /**
* pci_bus_max_busnr - returns maximum PCI bus number of given bus' children * 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; struct list_head *tmp;
unsigned char max, n; unsigned char max, n;
max = bus->number; max = bus->subordinate;
list_for_each(tmp, &bus->children) { list_for_each(tmp, &bus->children) {
n = pci_bus_max_busnr(pci_bus_b(tmp)); n = pci_bus_max_busnr(pci_bus_b(tmp));
if(n > max) if(n > max)
@ -42,7 +41,9 @@ pci_bus_max_busnr(struct pci_bus* bus)
} }
return max; return max;
} }
EXPORT_SYMBOL_GPL(pci_bus_max_busnr);
#if 0
/** /**
* pci_max_busnr - returns maximum PCI bus number * pci_max_busnr - returns maximum PCI bus number
* *

1
include/linux/pci.h
View file

@ -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 pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *),
void *userdata); void *userdata);
int pci_cfg_space_size(struct pci_dev *dev); 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() */ /* kmem_cache style wrapper around pci_alloc_consistent() */