diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index 260307b83a2f..b6e2b8e8d44e 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -1362,7 +1362,7 @@ issue_vmcall_io_controlvm_addr(u64 *control_addr, u32 *control_bytes)
 	u64 physaddr;
 
 	physaddr = virt_to_phys(&params);
-	ISSUE_IO_VMCALL(VMCALL_CONTROLVM_ADDR, physaddr, result);
+	unisys_vmcall(VMCALL_CONTROLVM_ADDR, physaddr, result);
 	if (VMCALL_SUCCESSFUL(result)) {
 		*control_addr = params.address;
 		*control_bytes = params.channel_bytes;
diff --git a/drivers/staging/unisys/visorbus/vmcallinterface.h b/drivers/staging/unisys/visorbus/vmcallinterface.h
index 8d5a84ff2bb0..abc10fac08af 100644
--- a/drivers/staging/unisys/visorbus/vmcallinterface.h
+++ b/drivers/staging/unisys/visorbus/vmcallinterface.h
@@ -81,13 +81,11 @@ enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples  */
 #define VMCALL_SUCCESS 0
 #define VMCALL_SUCCESSFUL(result) (result == 0)
 
-#define unisys_vmcall(tuple, reg_ebx, reg_ecx) \
-	__unisys_vmcall_gnuc(tuple, reg_ebx, reg_ecx)
 #define unisys_extended_vmcall(tuple, reg_ebx, reg_ecx, reg_edx) \
 	__unisys_extended_vmcall_gnuc(tuple, reg_ebx, reg_ecx, reg_edx)
-#define ISSUE_IO_VMCALL(method, param, result) \
-	(result = unisys_vmcall(method, (param) & 0xFFFFFFFF, \
-				(param) >> 32))
+#define unisys_vmcall(method, param, result) \
+	(result = __unisys_vmcall_gnuc((method), (param) & 0xFFFFFFFF, \
+				       (param) >> 32))
 
 /* Structures for IO VMCALLs */