diff --git a/arch/parisc/include/asm/hardware.h b/arch/parisc/include/asm/hardware.h
index 4e9626836bab..036e70310fcd 100644
--- a/arch/parisc/include/asm/hardware.h
+++ b/arch/parisc/include/asm/hardware.h
@@ -95,12 +95,14 @@ struct bc_module {
 #define HPHW_MC	       15
 #define HPHW_FAULTY    31
 
+struct parisc_device_id;
 
 /* hardware.c: */
 extern const char *parisc_hardware_description(struct parisc_device_id *id);
 extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
 
 struct pci_dev;
+struct hardware_path;
 
 /* drivers.c: */
 extern struct parisc_device *alloc_pa_dev(unsigned long hpa,