AuxXxilium/linux_dsm_epyc7002
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[SPARC64]: Be more resiliant with PCI I/O space regs.

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If we miss on the ranges, just toss the translation up to the parent
instead of failing.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-05-13 22:01:18 -07:00
parent 7a05b591a3
commit 49d23cfcec
1 changed files with 7 additions and 0 deletions
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7
arch/sparc64/kernel/of_device.c
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@ -537,6 +537,13 @@ static int __init build_one_resource(struct device_node *parent,
return 0;
}
/* When we miss an I/O space match on PCI, just pass it up
* to the next PCI bridge and/or controller.
*/
if (!strcmp(bus->name, "pci") &&
(addr[0] & 0x03000000) == 0x01000000)
return 0;
return 1;
}