Pull sony into release branch
[pandora-kernel.git] / drivers / acpi / hardware / hwacpi.c
index de50fab..6031ca1 100644 (file)
@@ -6,7 +6,7 @@
  *****************************************************************************/
 
 /*
- * 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
 #define _COMPONENT          ACPI_HARDWARE
 ACPI_MODULE_NAME("hwacpi")
 
-/******************************************************************************
- *
- * FUNCTION:    acpi_hw_initialize
- *
- * PARAMETERS:  None
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Initialize and validate the various ACPI registers defined in
- *              the FADT.
- *
- ******************************************************************************/
-acpi_status acpi_hw_initialize(void)
-{
-       acpi_status status;
-
-       ACPI_FUNCTION_TRACE(hw_initialize);
-
-       /* We must have the ACPI tables by the time we get here */
-
-       if (!acpi_gbl_FADT) {
-               ACPI_ERROR((AE_INFO, "No FADT is present"));
-               return_ACPI_STATUS(AE_NO_ACPI_TABLES);
-       }
-
-       /* Sanity check the FADT for valid values */
-
-       status = acpi_ut_validate_fadt();
-       if (ACPI_FAILURE(status)) {
-               return_ACPI_STATUS(status);
-       }
-
-       return_ACPI_STATUS(AE_OK);
-}
-
 /******************************************************************************
  *
  * FUNCTION:    acpi_hw_set_mode
@@ -93,7 +58,6 @@ acpi_status acpi_hw_initialize(void)
  * DESCRIPTION: Transitions the system into the requested mode.
  *
  ******************************************************************************/
-
 acpi_status acpi_hw_set_mode(u32 mode)
 {
 
@@ -106,7 +70,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
         * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
         * system does not support mode transition.
         */
-       if (!acpi_gbl_FADT->smi_cmd) {
+       if (!acpi_gbl_FADT.smi_command) {
                ACPI_ERROR((AE_INFO,
                            "No SMI_CMD in FADT, mode transition failed"));
                return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
@@ -119,7 +83,7 @@ acpi_status acpi_hw_set_mode(u32 mode)
         * we make sure both the numbers are zero to determine these
         * transitions are not supported.
         */
-       if (!acpi_gbl_FADT->acpi_enable && !acpi_gbl_FADT->acpi_disable) {
+       if (!acpi_gbl_FADT.acpi_enable && !acpi_gbl_FADT.acpi_disable) {
                ACPI_ERROR((AE_INFO,
                            "No ACPI mode transition supported in this system (enable/disable both zero)"));
                return_ACPI_STATUS(AE_OK);
@@ -130,9 +94,8 @@ acpi_status acpi_hw_set_mode(u32 mode)
 
                /* BIOS should have disabled ALL fixed and GP events */
 
-               status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd,
-                                           (u32) acpi_gbl_FADT->acpi_enable,
-                                           8);
+               status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+                                           (u32) acpi_gbl_FADT.acpi_enable, 8);
                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                  "Attempting to enable ACPI mode\n"));
                break;
@@ -143,8 +106,8 @@ acpi_status acpi_hw_set_mode(u32 mode)
                 * BIOS should clear all fixed status bits and restore fixed event
                 * enable bits to default
                 */
-               status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd,
-                                           (u32) acpi_gbl_FADT->acpi_disable,
+               status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+                                           (u32) acpi_gbl_FADT.acpi_disable,
                                            8);
                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                                  "Attempting to enable Legacy (non-ACPI) mode\n"));
@@ -204,12 +167,11 @@ u32 acpi_hw_get_mode(void)
         * ACPI 2.0 clarified that if SMI_CMD in FADT is zero,
         * system does not support mode transition.
         */
-       if (!acpi_gbl_FADT->smi_cmd) {
+       if (!acpi_gbl_FADT.smi_command) {
                return_UINT32(ACPI_SYS_MODE_ACPI);
        }
 
-       status =
-           acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value, ACPI_MTX_LOCK);
+       status = acpi_get_register(ACPI_BITREG_SCI_ENABLE, &value);
        if (ACPI_FAILURE(status)) {
                return_UINT32(ACPI_SYS_MODE_LEGACY);
        }