1 files changed, 49 insertions, 2 deletions

diff --git a/drivers/acpi/acpica/psopinfo.c b/drivers/acpi/acpica/psopinfo.c
index 9ba5301e5751..b0c9787dbe61 100644
--- a/drivers/acpi/acpica/psopinfo.c
+++ b/drivers/acpi/acpica/psopinfo.c
@@ -71,6 +71,10 @@ static const u8 acpi_gbl_argument_count[] =
 
 const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
 {
+#ifdef ACPI_DEBUG_OUTPUT
+        const char *opcode_name = "Unknown AML opcode";
+#endif
+
         ACPI_FUNCTION_NAME(ps_get_opcode_info);
 
         /*
@@ -92,11 +96,54 @@ const struct acpi_opcode_info *acpi_ps_get_opcode_info(u16 opcode)
                 return (&acpi_gbl_aml_op_info
                         [acpi_gbl_long_op_index[(u8)opcode]]);
         }
+#if defined ACPI_ASL_COMPILER && defined ACPI_DEBUG_OUTPUT
+#include "asldefine.h"
+
+        switch (opcode) {
+        case AML_RAW_DATA_BYTE:
+                opcode_name = "-Raw Data Byte-";
+                break;
+
+        case AML_RAW_DATA_WORD:
+                opcode_name = "-Raw Data Word-";
+                break;
+
+        case AML_RAW_DATA_DWORD:
+                opcode_name = "-Raw Data Dword-";
+                break;
+
+        case AML_RAW_DATA_QWORD:
+                opcode_name = "-Raw Data Qword-";
+                break;
+
+        case AML_RAW_DATA_BUFFER:
+                opcode_name = "-Raw Data Buffer-";
+                break;
+
+        case AML_RAW_DATA_CHAIN:
+                opcode_name = "-Raw Data Buffer Chain-";
+                break;
+
+        case AML_PACKAGE_LENGTH:
+                opcode_name = "-Package Length-";
+                break;
+
+        case AML_UNASSIGNED_OPCODE:
+                opcode_name = "-Unassigned Opcode-";
+                break;
+
+        case AML_DEFAULT_ARG_OP:
+                opcode_name = "-Default Arg-";
+                break;
+
+        default:
+                break;
+        }
+#endif
 
         /* Unknown AML opcode */
 
-        ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
-                          "Unknown AML opcode [%4.4X]\n", opcode));
+        ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%4.4X]\n", opcode_name, opcode));
 
         return (&acpi_gbl_aml_op_info[_UNK]);
 }