diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 6d8a821..47dcf82 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -67,9 +67,9 @@
 
 	/* These are the only tables that contain executable AML */
 
-	if (ACPI_COMPARE_NAME(table->signature, DSDT_SIG) ||
-	    ACPI_COMPARE_NAME(table->signature, PSDT_SIG) ||
-	    ACPI_COMPARE_NAME(table->signature, SSDT_SIG)) {
+	if (ACPI_COMPARE_NAME(table->signature, ACPI_SIG_DSDT) ||
+	    ACPI_COMPARE_NAME(table->signature, ACPI_SIG_PSDT) ||
+	    ACPI_COMPARE_NAME(table->signature, ACPI_SIG_SSDT)) {
 		return (TRUE);
 	}
 
@@ -418,7 +418,7 @@
 void acpi_ut_set_integer_width(u8 revision)
 {
 
-	if (revision <= 1) {
+	if (revision < 2) {
 
 		/* 32-bit case */