Same as sparc version.
Make resource with consistent sequence
like other arch or directly from pci_read_bridge_bases(),
even non-pref mmio is missing, or out of ordering in firmware reporting.
So hold i = 1 for non pref mmio, and i = 2 for pref mmio.
Signed-off-by: Yinghai Lu <ying...@kernel.org>
---
arch/powerpc/kernel/pci_of_scan.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/kernel/pci_of_scan.c
b/arch/powerpc/kernel/pci_of_scan.c
index 2e710c1..349ed11 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -255,7 +255,7 @@ void of_scan_pci_bridge(struct pci_dev *dev)
bus->resource[i] = res;
++res;
}
- i = 1;
+ i = 3;
for (; len >= 32; len -= 32, ranges += 8) {
flags = pci_parse_of_flags(of_read_number(ranges, 1), 1);
size = of_read_number(&ranges[6], 2);
@@ -268,6 +268,12 @@ void of_scan_pci_bridge(struct pci_dev *dev)
" for bridge %s\n", node->full_name);
continue;
}
+ } else if ((flags & IORESOURCE_PREFETCH) &&
+ !bus->resource[2]->flags) {
+ res = bus->resource[2];
+ } else if (((flags & (IORESOURCE_MEM | IORESOURCE_PREFETCH)) ==
+ IORESOURCE_MEM) && !bus->resource[1]->flags) {
+ res = bus->resource[1];
} else {
if (i >= PCI_NUM_RESOURCES - PCI_BRIDGE_RESOURCES) {
printk(KERN_ERR "PCI: too many memory ranges"
--
1.8.4.5
--
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