diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c
index c8c130cc65605ec636d411fa1fbdb27d54227109..28134aee3af584a1bed80daddc5e85f901b4257a 100644
--- a/drivers/acpi/acpica/utdecode.c
+++ b/drivers/acpi/acpica/utdecode.c
@@ -129,16 +129,17 @@ char acpi_ut_hex_to_ascii_char(u64 integer, u32 position)
 /* Region type decoding */
 
 const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = {
-	"SystemMemory",
-	"SystemIO",
-	"PCI_Config",
-	"EmbeddedControl",
-	"SMBus",
-	"SystemCMOS",
-	"PCIBARTarget",
-	"IPMI",
-	"GeneralPurposeIo",
-	"GenericSerialBus"
+	"SystemMemory",		/* 0x00 */
+	"SystemIO",		/* 0x01 */
+	"PCI_Config",		/* 0x02 */
+	"EmbeddedControl",	/* 0x03 */
+	"SMBus",		/* 0x04 */
+	"SystemCMOS",		/* 0x05 */
+	"PCIBARTarget",		/* 0x06 */
+	"IPMI",			/* 0x07 */
+	"GeneralPurposeIo",	/* 0x08 */
+	"GenericSerialBus",	/* 0x09 */
+	"PCC"			/* 0x0A */
 };
 
 char *acpi_ut_get_region_name(u8 space_id)