ia64: Kill unused external declaration of "acpi_legacy_devices".

diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 9dc6fd35306ae8996914f2477ea062991564d11b..aa2cb4fc3e5496150da4a9f73eb1372c402ae550 100644 (file)
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -330,11 +330,8 @@ setup_arch (char **cmdline_p)
                setup_serial_hcdp(efi.hcdp);
        }
 #endif
-       {
-               extern unsigned char acpi_legacy_devices;
-               if (!efi.hcdp)
-                       setup_serial_legacy();
-       }
+       if (!efi.hcdp)
+               setup_serial_legacy();
 #endif
 
 #ifdef CONFIG_VT