ACPICA: Clarify METHOD_NAME* defines for full-pathname cases
Changed the METHOD_NAME* defines that define a full pathname to the method to METHOD_PATHNAME* in order to make it clear that it is not a simple 4-character ACPI name. Used for the various sleep/wake methods. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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4efeeecd88
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@ -59,7 +59,7 @@ MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
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*
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* FUNCTION: acpi_hw_execute_sleep_method
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*
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* PARAMETERS: method_name - Pathname of method to execute
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* PARAMETERS: method_pathname - Pathname of method to execute
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* integer_argument - Argument to pass to the method
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*
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* RETURN: None
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@ -68,7 +68,7 @@ MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".);
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* and no return value.
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*
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******************************************************************************/
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void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument)
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void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument)
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{
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struct acpi_object_list arg_list;
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union acpi_object arg;
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@ -76,10 +76,10 @@ void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument)
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ACPI_FUNCTION_TRACE(hw_execute_sleep_method);
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if (!ACPI_STRCMP(METHOD_NAME__GTS, method_name) && !gts)
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if (!ACPI_STRCMP(METHOD_PATHNAME__GTS, method_pathname) && !gts)
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return_VOID;
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if (!ACPI_STRCMP(METHOD_NAME__BFS, method_name) && !bfs)
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if (!ACPI_STRCMP(METHOD_PATHNAME__BFS, method_pathname) && !bfs)
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return_VOID;
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/* One argument, integer_argument; No return value expected */
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@ -89,10 +89,10 @@ void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument)
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = (u64)integer_argument;
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status = acpi_evaluate_object(NULL, method_name, &arg_list, NULL);
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status = acpi_evaluate_object(NULL, method_pathname, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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ACPI_EXCEPTION((AE_INFO, status, "While executing method %s",
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method_name));
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method_pathname));
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}
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return_VOID;
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@ -138,7 +138,7 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state)
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/* Execute the _GTS method (Going To Sleep) */
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acpi_hw_execute_sleep_method(METHOD_NAME__GTS, sleep_state);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
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/* Flush caches, as per ACPI specification */
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@ -208,7 +208,7 @@ acpi_status acpi_hw_extended_wake_prep(u8 sleep_state)
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&acpi_gbl_FADT.sleep_control);
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}
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acpi_hw_execute_sleep_method(METHOD_NAME__BFS, sleep_state);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
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return_ACPI_STATUS(AE_OK);
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}
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@ -235,8 +235,8 @@ acpi_status acpi_hw_extended_wake(u8 sleep_state)
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/* Execute the wake methods */
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acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WAKING);
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acpi_hw_execute_sleep_method(METHOD_NAME__WAK, sleep_state);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state);
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/*
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* Some BIOS code assumes that WAK_STS will be cleared on resume
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@ -246,6 +246,6 @@ acpi_status acpi_hw_extended_wake(u8 sleep_state)
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(void)acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status);
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acpi_gbl_system_awake_and_running = TRUE;
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acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WORKING);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
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return_ACPI_STATUS(AE_OK);
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}
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@ -123,7 +123,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state)
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/* Execute the _GTS method (Going To Sleep) */
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acpi_hw_execute_sleep_method(METHOD_NAME__GTS, sleep_state);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state);
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/* Get current value of PM1A control */
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@ -279,7 +279,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state)
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}
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}
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acpi_hw_execute_sleep_method(METHOD_NAME__BFS, sleep_state);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state);
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return_ACPI_STATUS(status);
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}
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@ -305,7 +305,7 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state)
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/* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */
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acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID;
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acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WAKING);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING);
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/*
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* GPEs must be enabled before _WAK is called as GPEs
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@ -329,7 +329,7 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state)
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* Now we can execute _WAK, etc. Some machines require that the GPEs
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* are enabled before the wake methods are executed.
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*/
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acpi_hw_execute_sleep_method(METHOD_NAME__WAK, sleep_state);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state);
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/*
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* Some BIOS code assumes that WAK_STS will be cleared on resume
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@ -361,7 +361,7 @@ acpi_status acpi_hw_legacy_wake(u8 sleep_state)
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return_ACPI_STATUS(status);
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}
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acpi_hw_execute_sleep_method(METHOD_NAME__SST, ACPI_SST_WORKING);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING);
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return_ACPI_STATUS(status);
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}
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@ -306,7 +306,8 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
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arg.type = ACPI_TYPE_INTEGER;
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arg.integer.value = sleep_state;
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status = acpi_evaluate_object(NULL, METHOD_NAME__PTS, &arg_list, NULL);
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status =
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acpi_evaluate_object(NULL, METHOD_PATHNAME__PTS, &arg_list, NULL);
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if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
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return_ACPI_STATUS(status);
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}
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@ -337,7 +338,7 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state)
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* Set the system indicators to show the desired sleep state.
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* _SST is an optional method (return no error if not found)
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*/
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acpi_hw_execute_sleep_method(METHOD_NAME__SST, sst_value);
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acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, sst_value);
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return_ACPI_STATUS(AE_OK);
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}
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@ -121,7 +121,7 @@ void acpi_ns_dump_root_devices(void)
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return;
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}
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status = acpi_get_handle(NULL, ACPI_NS_SYSTEM_BUS, &sys_bus_handle);
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status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle);
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if (ACPI_FAILURE(status)) {
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return;
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}
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@ -788,13 +788,13 @@ static void __init acpi_gts_bfs_check(void)
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{
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acpi_handle dummy;
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if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__GTS, &dummy)))
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if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__GTS, &dummy)))
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{
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printk(KERN_NOTICE PREFIX "BIOS offers _GTS\n");
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printk(KERN_NOTICE PREFIX "If \"acpi.gts=1\" improves suspend, "
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"please notify linux-acpi@vger.kernel.org\n");
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}
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if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__BFS, &dummy)))
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if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__BFS, &dummy)))
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{
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printk(KERN_NOTICE PREFIX "BIOS offers _BFS\n");
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printk(KERN_NOTICE PREFIX "If \"acpi.bfs=1\" improves resume, "
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@ -46,6 +46,7 @@
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/* Method names - these methods can appear anywhere in the namespace */
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#define METHOD_NAME__SB_ "_SB_"
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#define METHOD_NAME__HID "_HID"
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#define METHOD_NAME__CID "_CID"
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#define METHOD_NAME__UID "_UID"
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@ -64,11 +65,11 @@
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/* Method names - these methods must appear at the namespace root */
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#define METHOD_NAME__BFS "\\_BFS"
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#define METHOD_NAME__GTS "\\_GTS"
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#define METHOD_NAME__PTS "\\_PTS"
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#define METHOD_NAME__SST "\\_SI._SST"
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#define METHOD_NAME__WAK "\\_WAK"
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#define METHOD_PATHNAME__BFS "\\_BFS"
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#define METHOD_PATHNAME__GTS "\\_GTS"
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#define METHOD_PATHNAME__PTS "\\_PTS"
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#define METHOD_PATHNAME__SST "\\_SI._SST"
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#define METHOD_PATHNAME__WAK "\\_WAK"
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/* Definitions of the predefined namespace names */
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@ -79,6 +80,5 @@
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#define ACPI_PREFIX_LOWER (u32) 0x69706361 /* "acpi" */
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#define ACPI_NS_ROOT_PATH "\\"
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#define ACPI_NS_SYSTEM_BUS "_SB_"
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#endif /* __ACNAMES_H__ */
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