1 files changed, 6 insertions, 1 deletions

diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index c495670aa11a..60ceed4c81bf 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -130,7 +130,6 @@
 #define ACPI_TO_POINTER(i)              ACPI_ADD_PTR (void,(void *) NULL,(acpi_native_uint) i)
 #define ACPI_TO_INTEGER(p)              ACPI_PTR_DIFF (p,(void *) NULL)
 #define ACPI_OFFSET(d,f)                (acpi_size) ACPI_PTR_DIFF (&(((d *)0)->f),(void *) NULL)
-#define ACPI_FADT_OFFSET(f)             ACPI_OFFSET (FADT_DESCRIPTOR, f)
 
 #if ACPI_MACHINE_WIDTH == 16
 #define ACPI_STORE_POINTER(d,s)         ACPI_MOVE_32_TO_32(d,s)
@@ -141,6 +140,12 @@
 #define ACPI_PTR_TO_PHYSADDR(i)         ACPI_TO_INTEGER(i)
 #endif
 
+#ifndef ACPI_MISALIGNMENT_NOT_SUPPORTED
+#define ACPI_COMPARE_NAME(a,b)          (*ACPI_CAST_PTR (u32,(a)) == *ACPI_CAST_PTR (u32,(b)))
+#else
+#define ACPI_COMPARE_NAME(a,b)          (!ACPI_STRNCMP (ACPI_CAST_PTR (char,(a)), ACPI_CAST_PTR (char,(b)), 4))
+#endif
+
 /*
  * Macros for moving data around to/from buffers that are possibly unaligned.
  * If the hardware supports the transfer of unaligned data, just do the store.