diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 102147500596..0ba4fbf40cdc 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -37,7 +37,14 @@
 #define ARCH_PCI_DEV_GROUPS
 #endif
 
+#if defined(HAVE_PCI_LEGACY) || \
+	!defined(HAVE_PCI_MMAP) && !defined(ARCH_GENERIC_PCI_MMAP_RESOURCE)
+#define HAVE_PCI_SYSFS_INIT
+#endif
+
+#ifdef HAVE_PCI_SYSFS_INIT
 static int sysfs_initialized;	/* = 0 */
+#endif
 
 /* show configuration fields */
 #define pci_config_attr(field, format_string)				\
@@ -1768,6 +1775,7 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)
 }
 #endif
 
+#ifdef HAVE_PCI_SYSFS_INIT
 static int __init pci_sysfs_init(void)
 {
 #if defined(HAVE_PCI_MMAP) || defined(ARCH_GENERIC_PCI_MMAP_RESOURCE)
@@ -1794,6 +1802,7 @@ static int __init pci_sysfs_init(void)
 	return 0;
 }
 late_initcall(pci_sysfs_init);
+#endif
 
 static struct attribute *pci_dev_dev_attrs[] = {
 	&dev_attr_boot_vga.attr,