X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Facpi%2Fhardware%2Fhwsleep.c;h=57901ca3ade911fea9ae132dd7aa77844025372b;hb=274ec7a8c07036bd02e8f2301456e443ef30b8a8;hp=8bb43cae60c2e160037b31559270d1922d61ed99;hpb=199f4c9f76fd8b030405abddf294e771f888de03;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 8bb43cae60c..57901ca3ade 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -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
@@ -43,6 +43,7 @@
  */
 
 #include <acpi/acpi.h>
+#include <acpi/actables.h>
 
 #define _COMPONENT          ACPI_HARDWARE
 ACPI_MODULE_NAME("hwsleep")
@@ -62,17 +63,32 @@ ACPI_MODULE_NAME("hwsleep")
 acpi_status
 acpi_set_firmware_waking_vector(acpi_physical_address physical_address)
 {
+	struct acpi_table_facs *facs;
+	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector);
 
+	/* Get the FACS */
+
+	status =
+	    acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+				    (struct acpi_table_header **)&facs);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
 	/* Set the vector */
 
-	if (acpi_gbl_common_fACS.vector_width == 32) {
-		*(ACPI_CAST_PTR
-		  (u32, acpi_gbl_common_fACS.firmware_waking_vector))
-		    = (u32) physical_address;
+	if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
+		/*
+		 * ACPI 1.0 FACS or short table or optional X_ field is zero
+		 */
+		facs->firmware_waking_vector = (u32) physical_address;
 	} else {
-		*acpi_gbl_common_fACS.firmware_waking_vector = physical_address;
+		/*
+		 * ACPI 2.0 FACS with valid X_ field
+		 */
+		facs->xfirmware_waking_vector = physical_address;
 	}
 
 	return_ACPI_STATUS(AE_OK);
@@ -97,6 +113,8 @@ ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector)
 acpi_status
 acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
 {
+	struct acpi_table_facs *facs;
+	acpi_status status;
 
 	ACPI_FUNCTION_TRACE(acpi_get_firmware_waking_vector);
 
@@ -104,16 +122,29 @@ acpi_get_firmware_waking_vector(acpi_physical_address * physical_address)
 		return_ACPI_STATUS(AE_BAD_PARAMETER);
 	}
 
+	/* Get the FACS */
+
+	status =
+	    acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS,
+				    (struct acpi_table_header **)&facs);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
 	/* Get the vector */
 
-	if (acpi_gbl_common_fACS.vector_width == 32) {
-		*physical_address = (acpi_physical_address)
-		    *
-		    (ACPI_CAST_PTR
-		     (u32, acpi_gbl_common_fACS.firmware_waking_vector));
+	if ((facs->length < 32) || (!(facs->xfirmware_waking_vector))) {
+		/*
+		 * ACPI 1.0 FACS or short table or optional X_ field is zero
+		 */
+		*physical_address =
+		    (acpi_physical_address) facs->firmware_waking_vector;
 	} else {
+		/*
+		 * ACPI 2.0 FACS with valid X_ field
+		 */
 		*physical_address =
-		    *acpi_gbl_common_fACS.firmware_waking_vector;
+		    (acpi_physical_address) facs->xfirmware_waking_vector;
 	}
 
 	return_ACPI_STATUS(AE_OK);
@@ -246,15 +277,14 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
 
 	/* Clear wake status */
 
-	status =
-	    acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
+	status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
 
 	/* Clear all fixed and general purpose status bits */
 
-	status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK);
+	status = acpi_hw_clear_acpi_status();
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
@@ -367,8 +397,7 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state)
 	/* Wait until we enter sleep state */
 
 	do {
-		status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value,
-					   ACPI_MTX_DO_NOT_LOCK);
+		status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value);
 		if (ACPI_FAILURE(status)) {
 			return_ACPI_STATUS(status);
 		}
@@ -401,13 +430,12 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
 
 	ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios);
 
-	status =
-	    acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1, ACPI_MTX_DO_NOT_LOCK);
+	status = acpi_set_register(ACPI_BITREG_WAKE_STATUS, 1);
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
 
-	status = acpi_hw_clear_acpi_status(ACPI_MTX_DO_NOT_LOCK);
+	status = acpi_hw_clear_acpi_status();
 	if (ACPI_FAILURE(status)) {
 		return_ACPI_STATUS(status);
 	}
@@ -429,13 +457,12 @@ acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void)
 
 	ACPI_FLUSH_CPU_CACHE();
 
-	status = acpi_os_write_port(acpi_gbl_FADT->smi_cmd,
-				    (u32) acpi_gbl_FADT->S4bios_req, 8);
+	status = acpi_os_write_port(acpi_gbl_FADT.smi_command,
+				    (u32) acpi_gbl_FADT.S4bios_request, 8);
 
 	do {
 		acpi_os_stall(1000);
-		status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value,
-					   ACPI_MTX_DO_NOT_LOCK);
+		status = acpi_get_register(ACPI_BITREG_WAKE_STATUS, &in_value);
 		if (ACPI_FAILURE(status)) {
 			return_ACPI_STATUS(status);
 		}
@@ -568,13 +595,11 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
 
 	(void)
 	    acpi_set_register(acpi_gbl_fixed_event_info
-			      [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1,
-			      ACPI_MTX_DO_NOT_LOCK);
+			      [ACPI_EVENT_POWER_BUTTON].enable_register_id, 1);
 
 	(void)
 	    acpi_set_register(acpi_gbl_fixed_event_info
-			      [ACPI_EVENT_POWER_BUTTON].status_register_id, 1,
-			      ACPI_MTX_DO_NOT_LOCK);
+			      [ACPI_EVENT_POWER_BUTTON].status_register_id, 1);
 
 	arg.integer.value = ACPI_SST_WORKING;
 	status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL);