so use correct allocation from BIOS, instead of later assign another one.
-v2: use idx_range, so make it more clear
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
arch/x86/pci/i386.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)
Index: linux-2.6/arch/x86/pci/i386.c
===================================================================
--- linux-2.6.orig/arch/x86/pci/i386.c
+++ linux-2.6/arch/x86/pci/i386.c
@@ -146,16 +146,29 @@ static void __init pcibios_allocate_bus_
}
}
+struct pci_check_idx_range {
+ int start;
+ int end;
+};
+
static void __init pcibios_allocate_resources(int pass)
{
struct pci_dev *dev = NULL;
- int idx, disabled;
+ int idx, disabled, i;
u16 command;
struct resource *r;
+ struct pci_check_idx_range idx_range[] = {
+ { PCI_STD_RESOURCES, PCI_STD_RESOURCE_END },
+#ifdef CONFIG_PCI_IOV
+ { PCI_IOV_RESOURCES, PCI_IOV_RESOURCE_END },
+#endif
+ };
+
for_each_pci_dev(dev) {
pci_read_config_word(dev, PCI_COMMAND, &command);
- for (idx = 0; idx < PCI_ROM_RESOURCE; idx++) {
+ for (i = 0; i < ARRAY_SIZE(idx_range); i++)
+ for (idx = idx_range[i].start; idx <= idx_range[i].end; idx++) {
r = &dev->resource[idx];
if (r->parent) /* Already allocated */
continue;
--
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