x86/PCI: MMCONFIG: add pci_mmconfig_remove() to remove MMCONFIG region
This is only used internally now, but eventually will be used in the
hot-remove path to remove the MMCONFIG region associated with a host bridge.
Reviewed-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 2709aa8..392f8fe 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -27,17 +27,21 @@
LIST_HEAD(pci_mmcfg_list);
+static __init void pci_mmconfig_remove(struct pci_mmcfg_region *cfg)
+{
+ if (cfg->res.parent)
+ release_resource(&cfg->res);
+ list_del(&cfg->list);
+ kfree(cfg);
+}
+
static __init void free_all_mmcfg(void)
{
struct pci_mmcfg_region *cfg, *tmp;
pci_mmcfg_arch_free();
- list_for_each_entry_safe(cfg, tmp, &pci_mmcfg_list, list) {
- if (cfg->res.parent)
- release_resource(&cfg->res);
- list_del(&cfg->list);
- kfree(cfg);
- }
+ list_for_each_entry_safe(cfg, tmp, &pci_mmcfg_list, list)
+ pci_mmconfig_remove(cfg);
}
static __init void list_add_sorted(struct pci_mmcfg_region *new)