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PCI: add generic pci_enable_resources()

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Each architecture has its own pcibios_enable_resources() implementation.
These differ in many minor ways that have nothing to do with actual
architectural differences.  Follow-on patches will make most arches
use this generic version instead.

This version is based on powerpc, which seemed most up-to-date.  The only
functional difference from the x86 version is that this uses "!r->parent"
to check for resource collisions instead of "!r->start && r->end".

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Bjorn Helgaas
2008-03-04 11:56:47 -07:00
committed by Greg Kroah-Hartman
parent 7d715a6c1a
commit 842de40d93
2 changed files with 44 additions and 0 deletions
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include/linux/pci.h
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@@ -624,6 +624,7 @@ int pci_claim_resource(struct pci_dev *, int);
void pci_assign_unassigned_resources(void);
void pdev_enable_device(struct pci_dev *);
void pdev_sort_resources(struct pci_dev *, struct resource_list *);
int pci_enable_resources(struct pci_dev *, int mask);
void pci_fixup_irqs(u8 (*)(struct pci_dev *, u8 *),
int (*)(struct pci_dev *, u8, u8));
#define HAVE_PCI_REQ_REGIONS 2