x86/PCI: split out pci_mmconfig_alloc() for code reuse (846e4023) · Commits · 戴 / test

arch/x86/pci/mmconfig-shared.c

+15 −4

Original line number	Diff line number	Diff line
		@@ -61,7 +61,8 @@ static __init void list_add_sorted(struct pci_mmcfg_region *new)
		list_add_tail(&new->list, &pci_mmcfg_list);
		}

		static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
		static __devinit struct pci_mmcfg_region *pci_mmconfig_alloc(int segment,
		int start,
		int end, u64 addr)
		{
		struct pci_mmcfg_region *new;
		@@ -79,8 +80,6 @@ static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
		new->start_bus = start;
		new->end_bus = end;

		list_add_sorted(new);

		res = &new->res;
		res->start = addr + PCI_MMCFG_BUS_OFFSET(start);
		res->end = addr + PCI_MMCFG_BUS_OFFSET(end + 1) - 1;
		@@ -96,6 +95,18 @@ static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
		return new;
		}

		static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
		int end, u64 addr)
		{
		struct pci_mmcfg_region *new;

		new = pci_mmconfig_alloc(segment, start, end, addr);
		if (new)
		list_add_sorted(new);

		return new;
		}

		struct pci_mmcfg_region *pci_mmconfig_lookup(int segment, int bus)
		{
		struct pci_mmcfg_region *cfg;