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Commit 575939cf authored by Yinghai Lu's avatar Yinghai Lu Committed by Jesse Barnes
Browse files

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: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
parent f9f45604

arch/x86/pci/i386.c

+15 −2
Original line number Diff line number Diff line
@@ -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;