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https://github.com/joel16/android_kernel_sony_msm8994.git
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ACPICA: Split ACPICA initialization functions to new file, utxfinit.c
Split utxface.c to improve modularity and reduce file size. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Feng Tang <feng.tang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore
Len Brown
parent
28f538b56d
commit
d978348b30
@ -158,5 +158,6 @@ acpi-y += \
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utresrc.o \
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utstate.o \
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utxface.o \
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utxfinit.o \
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utxferror.o \
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utxfmutex.o
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@ -1,6 +1,6 @@
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/******************************************************************************
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*
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* Module Name: utxface - External interfaces for "global" ACPI functions
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* Module Name: utxface - External interfaces, miscellaneous utility functions
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*
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*****************************************************************************/
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@ -53,271 +53,6 @@
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME("utxface")
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#ifndef ACPI_ASL_COMPILER
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/*******************************************************************************
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*
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* FUNCTION: acpi_initialize_subsystem
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Initializes all global variables. This is the first function
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* called, so any early initialization belongs here.
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*
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******************************************************************************/
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acpi_status __init acpi_initialize_subsystem(void)
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{
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acpi_status status;
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ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
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acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;
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ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
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/* Initialize the OS-Dependent layer */
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status = acpi_os_initialize();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
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return_ACPI_STATUS(status);
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}
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/* Initialize all globals used by the subsystem */
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status = acpi_ut_init_globals();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During initialization of globals"));
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return_ACPI_STATUS(status);
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}
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/* Create the default mutex objects */
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status = acpi_ut_mutex_initialize();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During Global Mutex creation"));
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return_ACPI_STATUS(status);
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}
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/*
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* Initialize the namespace manager and
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* the root of the namespace tree
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*/
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status = acpi_ns_root_initialize();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During Namespace initialization"));
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return_ACPI_STATUS(status);
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}
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/* Initialize the global OSI interfaces list with the static names */
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status = acpi_ut_initialize_interfaces();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During OSI interfaces initialization"));
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return_ACPI_STATUS(status);
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}
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/* If configured, initialize the AML debugger */
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ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());
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return_ACPI_STATUS(status);
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}
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/*******************************************************************************
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*
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* FUNCTION: acpi_enable_subsystem
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*
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* PARAMETERS: flags - Init/enable Options
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*
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* RETURN: Status
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*
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* DESCRIPTION: Completes the subsystem initialization including hardware.
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* Puts system into ACPI mode if it isn't already.
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*
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******************************************************************************/
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acpi_status acpi_enable_subsystem(u32 flags)
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{
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acpi_status status = AE_OK;
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ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
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#if (!ACPI_REDUCED_HARDWARE)
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/* Enable ACPI mode */
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if (!(flags & ACPI_NO_ACPI_ENABLE)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Going into ACPI mode\n"));
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acpi_gbl_original_mode = acpi_hw_get_mode();
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status = acpi_enable();
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if (ACPI_FAILURE(status)) {
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ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
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return_ACPI_STATUS(status);
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}
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}
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/*
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* Obtain a permanent mapping for the FACS. This is required for the
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* Global Lock and the Firmware Waking Vector
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*/
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status = acpi_tb_initialize_facs();
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if (ACPI_FAILURE(status)) {
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ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
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return_ACPI_STATUS(status);
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}
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#endif /* !ACPI_REDUCED_HARDWARE */
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/*
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* Install the default op_region handlers. These are installed unless
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* other handlers have already been installed via the
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* install_address_space_handler interface.
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*/
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if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Installing default address space handlers\n"));
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status = acpi_ev_install_region_handlers();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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}
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#if (!ACPI_REDUCED_HARDWARE)
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/*
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* Initialize ACPI Event handling (Fixed and General Purpose)
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*
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* Note1: We must have the hardware and events initialized before we can
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* execute any control methods safely. Any control method can require
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* ACPI hardware support, so the hardware must be fully initialized before
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* any method execution!
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*
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* Note2: Fixed events are initialized and enabled here. GPEs are
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* initialized, but cannot be enabled until after the hardware is
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* completely initialized (SCI and global_lock activated)
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*/
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if (!(flags & ACPI_NO_EVENT_INIT)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Initializing ACPI events\n"));
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status = acpi_ev_initialize_events();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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}
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/*
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* Install the SCI handler and Global Lock handler. This completes the
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* hardware initialization.
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*/
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if (!(flags & ACPI_NO_HANDLER_INIT)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Installing SCI/GL handlers\n"));
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status = acpi_ev_install_xrupt_handlers();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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}
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#endif /* !ACPI_REDUCED_HARDWARE */
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return_ACPI_STATUS(status);
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}
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ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)
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/*******************************************************************************
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*
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* FUNCTION: acpi_initialize_objects
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*
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* PARAMETERS: flags - Init/enable Options
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*
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* RETURN: Status
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*
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* DESCRIPTION: Completes namespace initialization by initializing device
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* objects and executing AML code for Regions, buffers, etc.
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*
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******************************************************************************/
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acpi_status acpi_initialize_objects(u32 flags)
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{
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acpi_status status = AE_OK;
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ACPI_FUNCTION_TRACE(acpi_initialize_objects);
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/*
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* Run all _REG methods
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*
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* Note: Any objects accessed by the _REG methods will be automatically
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* initialized, even if they contain executable AML (see the call to
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* acpi_ns_initialize_objects below).
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*/
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if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Executing _REG OpRegion methods\n"));
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status = acpi_ev_initialize_op_regions();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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}
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/*
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* Execute any module-level code that was detected during the table load
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* phase. Although illegal since ACPI 2.0, there are many machines that
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* contain this type of code. Each block of detected executable AML code
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* outside of any control method is wrapped with a temporary control
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* method object and placed on a global list. The methods on this list
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* are executed below.
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*/
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acpi_ns_exec_module_code_list();
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/*
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* Initialize the objects that remain uninitialized. This runs the
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* executable AML that may be part of the declaration of these objects:
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* operation_regions, buffer_fields, Buffers, and Packages.
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*/
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if (!(flags & ACPI_NO_OBJECT_INIT)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Completing Initialization of ACPI Objects\n"));
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status = acpi_ns_initialize_objects();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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}
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/*
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* Initialize all device objects in the namespace. This runs the device
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* _STA and _INI methods.
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*/
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if (!(flags & ACPI_NO_DEVICE_INIT)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Initializing ACPI Devices\n"));
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status = acpi_ns_initialize_devices();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
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}
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/*
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* Empty the caches (delete the cached objects) on the assumption that
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* the table load filled them up more than they will be at runtime --
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* thus wasting non-paged memory.
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*/
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status = acpi_purge_cached_objects();
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acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK;
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return_ACPI_STATUS(status);
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}
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ACPI_EXPORT_SYMBOL(acpi_initialize_objects)
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#endif
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/*******************************************************************************
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*
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* FUNCTION: acpi_terminate
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317
drivers/acpi/acpica/utxfinit.c
Normal file
317
drivers/acpi/acpica/utxfinit.c
Normal file
@ -0,0 +1,317 @@
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/******************************************************************************
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*
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* Module Name: utxfinit - External interfaces for ACPICA initialization
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2012, Intel Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#include <linux/export.h>
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#include <acpi/acpi.h>
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#include "accommon.h"
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#include "acevents.h"
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#include "acnamesp.h"
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#include "acdebug.h"
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#include "actables.h"
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#define _COMPONENT ACPI_UTILITIES
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ACPI_MODULE_NAME("utxfinit")
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/*******************************************************************************
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*
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* FUNCTION: acpi_initialize_subsystem
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*
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* PARAMETERS: None
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*
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* RETURN: Status
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*
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* DESCRIPTION: Initializes all global variables. This is the first function
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* called, so any early initialization belongs here.
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*
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******************************************************************************/
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acpi_status acpi_initialize_subsystem(void)
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{
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acpi_status status;
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ACPI_FUNCTION_TRACE(acpi_initialize_subsystem);
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acpi_gbl_startup_flags = ACPI_SUBSYSTEM_INITIALIZE;
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ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace());
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/* Initialize the OS-Dependent layer */
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status = acpi_os_initialize();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status, "During OSL initialization"));
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return_ACPI_STATUS(status);
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}
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/* Initialize all globals used by the subsystem */
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status = acpi_ut_init_globals();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During initialization of globals"));
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return_ACPI_STATUS(status);
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}
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/* Create the default mutex objects */
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status = acpi_ut_mutex_initialize();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During Global Mutex creation"));
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return_ACPI_STATUS(status);
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}
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/*
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* Initialize the namespace manager and
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* the root of the namespace tree
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*/
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status = acpi_ns_root_initialize();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During Namespace initialization"));
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return_ACPI_STATUS(status);
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}
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/* Initialize the global OSI interfaces list with the static names */
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status = acpi_ut_initialize_interfaces();
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if (ACPI_FAILURE(status)) {
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ACPI_EXCEPTION((AE_INFO, status,
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"During OSI interfaces initialization"));
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return_ACPI_STATUS(status);
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}
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/* If configured, initialize the AML debugger */
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ACPI_DEBUGGER_EXEC(status = acpi_db_initialize());
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return_ACPI_STATUS(status);
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}
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ACPI_EXPORT_SYMBOL(acpi_initialize_subsystem)
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/*******************************************************************************
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*
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* FUNCTION: acpi_enable_subsystem
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*
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* PARAMETERS: flags - Init/enable Options
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*
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* RETURN: Status
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*
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* DESCRIPTION: Completes the subsystem initialization including hardware.
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* Puts system into ACPI mode if it isn't already.
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*
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******************************************************************************/
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acpi_status acpi_enable_subsystem(u32 flags)
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{
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acpi_status status = AE_OK;
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ACPI_FUNCTION_TRACE(acpi_enable_subsystem);
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#if (!ACPI_REDUCED_HARDWARE)
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/* Enable ACPI mode */
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if (!(flags & ACPI_NO_ACPI_ENABLE)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Going into ACPI mode\n"));
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acpi_gbl_original_mode = acpi_hw_get_mode();
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status = acpi_enable();
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if (ACPI_FAILURE(status)) {
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ACPI_WARNING((AE_INFO, "AcpiEnable failed"));
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return_ACPI_STATUS(status);
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}
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}
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|
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/*
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* Obtain a permanent mapping for the FACS. This is required for the
|
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* Global Lock and the Firmware Waking Vector
|
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*/
|
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status = acpi_tb_initialize_facs();
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if (ACPI_FAILURE(status)) {
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ACPI_WARNING((AE_INFO, "Could not map the FACS table"));
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return_ACPI_STATUS(status);
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}
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#endif /* !ACPI_REDUCED_HARDWARE */
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|
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/*
|
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* Install the default op_region handlers. These are installed unless
|
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* other handlers have already been installed via the
|
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* install_address_space_handler interface.
|
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*/
|
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if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
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"[Init] Installing default address space handlers\n"));
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status = acpi_ev_install_region_handlers();
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if (ACPI_FAILURE(status)) {
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return_ACPI_STATUS(status);
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}
|
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}
|
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#if (!ACPI_REDUCED_HARDWARE)
|
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/*
|
||||
* Initialize ACPI Event handling (Fixed and General Purpose)
|
||||
*
|
||||
* Note1: We must have the hardware and events initialized before we can
|
||||
* execute any control methods safely. Any control method can require
|
||||
* ACPI hardware support, so the hardware must be fully initialized before
|
||||
* any method execution!
|
||||
*
|
||||
* Note2: Fixed events are initialized and enabled here. GPEs are
|
||||
* initialized, but cannot be enabled until after the hardware is
|
||||
* completely initialized (SCI and global_lock activated) and the various
|
||||
* initialization control methods are run (_REG, _STA, _INI) on the
|
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* entire namespace.
|
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*/
|
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if (!(flags & ACPI_NO_EVENT_INIT)) {
|
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ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
|
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"[Init] Initializing ACPI events\n"));
|
||||
|
||||
status = acpi_ev_initialize_events();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Install the SCI handler and Global Lock handler. This completes the
|
||||
* hardware initialization.
|
||||
*/
|
||||
if (!(flags & ACPI_NO_HANDLER_INIT)) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
|
||||
"[Init] Installing SCI/GL handlers\n"));
|
||||
|
||||
status = acpi_ev_install_xrupt_handlers();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
}
|
||||
#endif /* !ACPI_REDUCED_HARDWARE */
|
||||
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
ACPI_EXPORT_SYMBOL(acpi_enable_subsystem)
|
||||
|
||||
/*******************************************************************************
|
||||
*
|
||||
* FUNCTION: acpi_initialize_objects
|
||||
*
|
||||
* PARAMETERS: flags - Init/enable Options
|
||||
*
|
||||
* RETURN: Status
|
||||
*
|
||||
* DESCRIPTION: Completes namespace initialization by initializing device
|
||||
* objects and executing AML code for Regions, buffers, etc.
|
||||
*
|
||||
******************************************************************************/
|
||||
acpi_status acpi_initialize_objects(u32 flags)
|
||||
{
|
||||
acpi_status status = AE_OK;
|
||||
|
||||
ACPI_FUNCTION_TRACE(acpi_initialize_objects);
|
||||
|
||||
/*
|
||||
* Run all _REG methods
|
||||
*
|
||||
* Note: Any objects accessed by the _REG methods will be automatically
|
||||
* initialized, even if they contain executable AML (see the call to
|
||||
* acpi_ns_initialize_objects below).
|
||||
*/
|
||||
if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
|
||||
"[Init] Executing _REG OpRegion methods\n"));
|
||||
|
||||
status = acpi_ev_initialize_op_regions();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Execute any module-level code that was detected during the table load
|
||||
* phase. Although illegal since ACPI 2.0, there are many machines that
|
||||
* contain this type of code. Each block of detected executable AML code
|
||||
* outside of any control method is wrapped with a temporary control
|
||||
* method object and placed on a global list. The methods on this list
|
||||
* are executed below.
|
||||
*/
|
||||
acpi_ns_exec_module_code_list();
|
||||
|
||||
/*
|
||||
* Initialize the objects that remain uninitialized. This runs the
|
||||
* executable AML that may be part of the declaration of these objects:
|
||||
* operation_regions, buffer_fields, Buffers, and Packages.
|
||||
*/
|
||||
if (!(flags & ACPI_NO_OBJECT_INIT)) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
|
||||
"[Init] Completing Initialization of ACPI Objects\n"));
|
||||
|
||||
status = acpi_ns_initialize_objects();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize all device objects in the namespace. This runs the device
|
||||
* _STA and _INI methods.
|
||||
*/
|
||||
if (!(flags & ACPI_NO_DEVICE_INIT)) {
|
||||
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
|
||||
"[Init] Initializing ACPI Devices\n"));
|
||||
|
||||
status = acpi_ns_initialize_devices();
|
||||
if (ACPI_FAILURE(status)) {
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Empty the caches (delete the cached objects) on the assumption that
|
||||
* the table load filled them up more than they will be at runtime --
|
||||
* thus wasting non-paged memory.
|
||||
*/
|
||||
status = acpi_purge_cached_objects();
|
||||
|
||||
acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK;
|
||||
return_ACPI_STATUS(status);
|
||||
}
|
||||
ACPI_EXPORT_SYMBOL(acpi_initialize_objects)
|
||||
Loading…
Reference in New Issue
Block a user