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x86/PCI: claim SR-IOV BARs in pcibios_allocate_resource 

This allows us to use the BIOS SR-IOV allocations rather than assigning
our own later on.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
hifive-unleashed-5.1
Yinghai Lu 2009-11-24 18:05:12 -08:00 committed by Jesse Barnes
parent f9f45604ed
commit 575939cf54
1 changed files with 15 additions and 2 deletions
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17
arch/x86/pci/i386.c
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@ -146,16 +146,29 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
}
}
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;