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[POWERPC] Ensure we only handle PowerMac PCI bus fixup for memory resources

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The fixup code that handles the case for PowerMac's that leave bridge
windows open over an inaccessible region should only be applied to
memory resources (IORESOURCE_MEM).  If not we can get it trying to fixup
IORESOURCE_IO on some systems since the other conditions that are used to
detect the case can easily match for IORESOURCE_IO.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2008-01-12 17:23:26 -06:00
parent f98eeb4eb1
commit 96d69c31c5
1 changed files with 2 additions and 1 deletions
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3
arch/powerpc/kernel/pci-common.c
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@ -806,7 +806,8 @@ static void __devinit __pcibios_fixup_bus(struct pci_bus *bus)
* equal to the pci_mem_offset of the host bridge and
* their size is smaller than 1M.
*/
if (res->start == hose->pci_mem_offset &&
if (res->flags & IORESOURCE_MEM &&
res->start == hose->pci_mem_offset &&
res->end < 0x100000) {
printk(KERN_INFO
"PCI: Closing bogus Apple Firmware"