Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart

[linux-drm-fsl-dcu.git] / drivers / acpi / utilities / utmisc.c

diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 6d8a8211be90a4f84abf2ad8efb62c8a3c9cabfa..50133fffe42045f7b1155e2edb8edd2ca6900529 100644 (file)
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -5,7 +5,7 @@
  ******************************************************************************/
 
 /*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -49,6 +49,78 @@
 #define _COMPONENT          ACPI_UTILITIES
 ACPI_MODULE_NAME("utmisc")
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_validate_exception
+ *
+ * PARAMETERS:  Status       - The acpi_status code to be formatted
+ *
+ * RETURN:      A string containing the exception text. NULL if exception is
+ *              not valid.
+ *
+ * DESCRIPTION: This function validates and translates an ACPI exception into
+ *              an ASCII string.
+ *
+ ******************************************************************************/
+const char *acpi_ut_validate_exception(acpi_status status)
+{
+       acpi_status sub_status;
+       const char *exception = NULL;
+
+       ACPI_FUNCTION_ENTRY();
+
+       /*
+        * Status is composed of two parts, a "type" and an actual code
+        */
+       sub_status = (status & ~AE_CODE_MASK);
+
+       switch (status & AE_CODE_MASK) {
+       case AE_CODE_ENVIRONMENTAL:
+
+               if (sub_status <= AE_CODE_ENV_MAX) {
+                       exception = acpi_gbl_exception_names_env[sub_status];
+               }
+               break;
+
+       case AE_CODE_PROGRAMMER:
+
+               if (sub_status <= AE_CODE_PGM_MAX) {
+                       exception =
+                           acpi_gbl_exception_names_pgm[sub_status - 1];
+               }
+               break;
+
+       case AE_CODE_ACPI_TABLES:
+
+               if (sub_status <= AE_CODE_TBL_MAX) {
+                       exception =
+                           acpi_gbl_exception_names_tbl[sub_status - 1];
+               }
+               break;
+
+       case AE_CODE_AML:
+
+               if (sub_status <= AE_CODE_AML_MAX) {
+                       exception =
+                           acpi_gbl_exception_names_aml[sub_status - 1];
+               }
+               break;
+
+       case AE_CODE_CONTROL:
+
+               if (sub_status <= AE_CODE_CTRL_MAX) {
+                       exception =
+                           acpi_gbl_exception_names_ctrl[sub_status - 1];
+               }
+               break;
+
+       default:
+               break;
+       }
+
+       return (ACPI_CAST_PTR(const char, exception));
+}
+
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ut_is_aml_table
@@ -62,14 +134,15 @@ ACPI_MODULE_NAME("utmisc")
  *              data tables that do not contain AML code.
  *
  ******************************************************************************/
+
 u8 acpi_ut_is_aml_table(struct acpi_table_header *table)
 {
 
        /* 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 +491,7 @@ u32 acpi_ut_dword_byte_swap(u32 value)
 void acpi_ut_set_integer_width(u8 revision)
 {
 
-       if (revision <= 1) {
+       if (revision < 2) {
 
                /* 32-bit case */
 
@@ -582,26 +655,25 @@ u8 acpi_ut_valid_acpi_name(u32 name)
  *
  ******************************************************************************/
 
-acpi_name acpi_ut_repair_name(acpi_name name)
+acpi_name acpi_ut_repair_name(char *name)
 {
-       char *name_ptr = ACPI_CAST_PTR(char, &name);
-       char new_name[ACPI_NAME_SIZE];
        acpi_native_uint i;
+       char new_name[ACPI_NAME_SIZE];
 
        for (i = 0; i < ACPI_NAME_SIZE; i++) {
-               new_name[i] = name_ptr[i];
+               new_name[i] = name[i];
 
                /*
                 * Replace a bad character with something printable, yet technically
                 * still invalid. This prevents any collisions with existing "good"
                 * names in the namespace.
                 */
-               if (!acpi_ut_valid_acpi_char(name_ptr[i], i)) {
+               if (!acpi_ut_valid_acpi_char(name[i], i)) {
                        new_name[i] = '*';
                }
        }
 
-       return (*ACPI_CAST_PTR(u32, new_name));
+       return (*(u32 *) new_name);
 }
 
 /*******************************************************************************
@@ -996,9 +1068,13 @@ acpi_ut_info(char *module_name, u32 line_number, char *format, ...)
 {
        va_list args;
 
-       acpi_os_printf("ACPI (%s-%04d): ", module_name, line_number);
+       /*
+        * Removed module_name, line_number, and acpica version, not needed
+        * for info output
+        */
+       acpi_os_printf("ACPI: ");
 
        va_start(args, format);
        acpi_os_vprintf(format, args);
-       acpi_os_printf(" [%X]\n", ACPI_CA_VERSION);
+       acpi_os_printf("\n");
 }