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Diffstat (limited to 'arch/x86/pci/mmconfig_64.c')
-rw-r--r--arch/x86/pci/mmconfig_64.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/arch/x86/pci/mmconfig_64.c b/arch/x86/pci/mmconfig_64.c
index 78fa05c6c04d..ed1f479b4d0e 100644
--- a/arch/x86/pci/mmconfig_64.c
+++ b/arch/x86/pci/mmconfig_64.c
@@ -14,16 +14,13 @@
static char __iomem *get_virt(unsigned int seg, unsigned bus)
{
- int i;
struct pci_mmcfg_region *cfg;
- for (i = 0; i < pci_mmcfg_config_num; ++i) {
- cfg = &pci_mmcfg_config[i];
+ list_for_each_entry(cfg, &pci_mmcfg_list, list)
if (cfg->segment == seg &&
(cfg->start_bus <= bus) &&
(cfg->end_bus >= bus))
return cfg->virt;
- }
/* Fall back to type 0 */
return NULL;
@@ -122,11 +119,9 @@ static void __iomem * __init mcfg_ioremap(struct pci_mmcfg_region *cfg)
int __init pci_mmcfg_arch_init(void)
{
- int i;
struct pci_mmcfg_region *cfg;
- for (i = 0; i < pci_mmcfg_config_num; ++i) {
- cfg = &pci_mmcfg_config[i];
+ list_for_each_entry(cfg, &pci_mmcfg_list, list) {
cfg->virt = mcfg_ioremap(cfg);
if (!cfg->virt) {
printk(KERN_ERR "PCI: Cannot map mmconfig aperture for "
@@ -142,11 +137,9 @@ int __init pci_mmcfg_arch_init(void)
void __init pci_mmcfg_arch_free(void)
{
- int i;
struct pci_mmcfg_region *cfg;
- for (i = 0; i < pci_mmcfg_config_num; ++i) {
- cfg = &pci_mmcfg_config[i];
+ list_for_each_entry(cfg, &pci_mmcfg_list, list) {
if (cfg->virt) {
iounmap(cfg->virt + PCI_MMCFG_BUS_OFFSET(cfg->start_bus));
cfg->virt = NULL;
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