diff options
Diffstat (limited to 'drivers/acpi/utilities/utxface.c')
| -rw-r--r-- | drivers/acpi/utilities/utxface.c | 267 |
1 files changed, 117 insertions, 150 deletions
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c index 850da6817423..f06bd5e5e9d1 100644 --- a/drivers/acpi/utilities/utxface.c +++ b/drivers/acpi/utilities/utxface.c @@ -49,8 +49,7 @@ #include <acpi/acdebug.h> #define _COMPONENT ACPI_UTILITIES - ACPI_MODULE_NAME ("utxface") - +ACPI_MODULE_NAME("utxface") /******************************************************************************* * @@ -64,60 +63,54 @@ * called, so any early initialization belongs here. * ******************************************************************************/ - -acpi_status -acpi_initialize_subsystem ( - void) +acpi_status acpi_initialize_subsystem(void) { - acpi_status status; - + acpi_status status; - ACPI_FUNCTION_TRACE ("acpi_initialize_subsystem"); + ACPI_FUNCTION_TRACE("acpi_initialize_subsystem"); - - ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ()); + ACPI_DEBUG_EXEC(acpi_ut_init_stack_ptr_trace()); /* Initialize the OS-Dependent layer */ - status = acpi_os_initialize (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("OSD failed to initialize, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); + status = acpi_os_initialize(); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("OSD failed to initialize, %s\n", + acpi_format_exception(status))); + return_ACPI_STATUS(status); } /* Initialize all globals used by the subsystem */ - acpi_ut_init_globals (); + acpi_ut_init_globals(); /* Create the default mutex objects */ - status = acpi_ut_mutex_initialize (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Global mutex creation failure, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); + status = acpi_ut_mutex_initialize(); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Global mutex creation failure, %s\n", + acpi_format_exception(status))); + return_ACPI_STATUS(status); } /* * Initialize the namespace manager and * the root of the namespace tree */ - status = acpi_ns_root_initialize (); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Namespace initialization failure, %s\n", - acpi_format_exception (status))); - return_ACPI_STATUS (status); + status = acpi_ns_root_initialize(); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Namespace initialization failure, %s\n", + acpi_format_exception(status))); + return_ACPI_STATUS(status); } /* If configured, initialize the AML debugger */ - ACPI_DEBUGGER_EXEC (status = acpi_db_initialize ()); + ACPI_DEBUGGER_EXEC(status = acpi_db_initialize()); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_enable_subsystem @@ -131,41 +124,39 @@ acpi_initialize_subsystem ( * ******************************************************************************/ -acpi_status -acpi_enable_subsystem ( - u32 flags) +acpi_status acpi_enable_subsystem(u32 flags) { - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("acpi_enable_subsystem"); + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE("acpi_enable_subsystem"); /* * We must initialize the hardware before we can enable ACPI. * The values from the FADT are validated here. */ if (!(flags & ACPI_NO_HARDWARE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[Init] Initializing ACPI hardware\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Initializing ACPI hardware\n")); - status = acpi_hw_initialize (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_hw_initialize(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* Enable ACPI mode */ if (!(flags & ACPI_NO_ACPI_ENABLE)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Going into ACPI mode\n")); acpi_gbl_original_mode = acpi_hw_get_mode(); - status = acpi_enable (); - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "acpi_enable failed.\n")); - return_ACPI_STATUS (status); + status = acpi_enable(); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_WARN, + "acpi_enable failed.\n")); + return_ACPI_STATUS(status); } } @@ -175,12 +166,12 @@ acpi_enable_subsystem ( * install_address_space_handler interface. */ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[Init] Installing default address space handlers\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Installing default address space handlers\n")); - status = acpi_ev_install_region_handlers (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ev_install_region_handlers(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } @@ -193,28 +184,28 @@ acpi_enable_subsystem ( * execution! */ if (!(flags & ACPI_NO_EVENT_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[Init] Initializing ACPI events\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Initializing ACPI events\n")); - status = acpi_ev_initialize_events (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ev_initialize_events(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* Install the SCI handler and Global Lock handler */ if (!(flags & ACPI_NO_HANDLER_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[Init] Installing SCI/GL handlers\n")); + 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); + status = acpi_ev_install_xrupt_handlers(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } /******************************************************************************* @@ -230,15 +221,11 @@ acpi_enable_subsystem ( * ******************************************************************************/ -acpi_status -acpi_initialize_objects ( - u32 flags) +acpi_status acpi_initialize_objects(u32 flags) { - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("acpi_initialize_objects"); + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE("acpi_initialize_objects"); /* * Run all _REG methods @@ -248,12 +235,12 @@ acpi_initialize_objects ( * contain executable AML (see call to acpi_ns_initialize_objects below). */ if (!(flags & ACPI_NO_ADDRESS_SPACE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[Init] Executing _REG op_region methods\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Executing _REG op_region methods\n")); - status = acpi_ev_initialize_op_regions (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ev_initialize_op_regions(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } @@ -263,12 +250,12 @@ acpi_initialize_objects ( * 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")); + 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); + status = acpi_ns_initialize_objects(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } @@ -277,12 +264,12 @@ acpi_initialize_objects ( * This runs the _STA and _INI methods. */ if (!(flags & ACPI_NO_DEVICE_INIT)) { - ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, - "[Init] Initializing ACPI Devices\n")); + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "[Init] Initializing ACPI Devices\n")); - status = acpi_ns_initialize_devices (); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ns_initialize_devices(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } @@ -291,13 +278,12 @@ acpi_initialize_objects ( * the table load filled them up more than they will be at runtime -- * thus wasting non-paged memory. */ - status = acpi_purge_cached_objects (); + status = acpi_purge_cached_objects(); acpi_gbl_startup_flags |= ACPI_INITIALIZED_OK; - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_terminate @@ -310,15 +296,11 @@ acpi_initialize_objects ( * ******************************************************************************/ -acpi_status -acpi_terminate ( - void) +acpi_status acpi_terminate(void) { - acpi_status status; - - - ACPI_FUNCTION_TRACE ("acpi_terminate"); + acpi_status status; + ACPI_FUNCTION_TRACE("acpi_terminate"); /* Terminate the AML Debugger if present */ @@ -326,28 +308,25 @@ acpi_terminate ( /* Shutdown and free all resources */ - acpi_ut_subsystem_shutdown (); - + acpi_ut_subsystem_shutdown(); /* Free the mutex objects */ - acpi_ut_mutex_terminate (); - + acpi_ut_mutex_terminate(); #ifdef ACPI_DEBUGGER /* Shut down the debugger */ - acpi_db_terminate (); + acpi_db_terminate(); #endif /* Now we can shutdown the OS-dependent layer */ - status = acpi_os_terminate (); - return_ACPI_STATUS (status); + status = acpi_os_terminate(); + return_ACPI_STATUS(status); } - #ifdef ACPI_FUTURE_USAGE /******************************************************************************* * @@ -363,20 +342,16 @@ acpi_terminate ( * ******************************************************************************/ -acpi_status -acpi_subsystem_status ( - void) +acpi_status acpi_subsystem_status(void) { if (acpi_gbl_startup_flags & ACPI_INITIALIZED_OK) { return (AE_OK); - } - else { + } else { return (AE_ERROR); } } - /******************************************************************************* * * FUNCTION: acpi_get_system_info @@ -395,64 +370,60 @@ acpi_subsystem_status ( * ******************************************************************************/ -acpi_status -acpi_get_system_info ( - struct acpi_buffer *out_buffer) +acpi_status acpi_get_system_info(struct acpi_buffer * out_buffer) { - struct acpi_system_info *info_ptr; - acpi_status status; - u32 i; - - - ACPI_FUNCTION_TRACE ("acpi_get_system_info"); + struct acpi_system_info *info_ptr; + acpi_status status; + u32 i; + ACPI_FUNCTION_TRACE("acpi_get_system_info"); /* Parameter validation */ - status = acpi_ut_validate_buffer (out_buffer); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_validate_buffer(out_buffer); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Validate/Allocate/Clear caller buffer */ - status = acpi_ut_initialize_buffer (out_buffer, sizeof (struct acpi_system_info)); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = + acpi_ut_initialize_buffer(out_buffer, + sizeof(struct acpi_system_info)); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* * Populate the return buffer */ - info_ptr = (struct acpi_system_info *) out_buffer->pointer; + info_ptr = (struct acpi_system_info *)out_buffer->pointer; - info_ptr->acpi_ca_version = ACPI_CA_VERSION; + info_ptr->acpi_ca_version = ACPI_CA_VERSION; /* System flags (ACPI capabilities) */ - info_ptr->flags = ACPI_SYS_MODE_ACPI; + info_ptr->flags = ACPI_SYS_MODE_ACPI; /* Timer resolution - 24 or 32 bits */ if (!acpi_gbl_FADT) { info_ptr->timer_resolution = 0; - } - else if (acpi_gbl_FADT->tmr_val_ext == 0) { + } else if (acpi_gbl_FADT->tmr_val_ext == 0) { info_ptr->timer_resolution = 24; - } - else { + } else { info_ptr->timer_resolution = 32; } /* Clear the reserved fields */ - info_ptr->reserved1 = 0; - info_ptr->reserved2 = 0; + info_ptr->reserved1 = 0; + info_ptr->reserved2 = 0; /* Current debug levels */ - info_ptr->debug_layer = acpi_dbg_layer; - info_ptr->debug_level = acpi_dbg_level; + info_ptr->debug_layer = acpi_dbg_layer; + info_ptr->debug_level = acpi_dbg_level; /* Current status of the ACPI tables, per table type */ @@ -461,10 +432,10 @@ acpi_get_system_info ( info_ptr->table_info[i].count = acpi_gbl_table_lists[i].count; } - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } -EXPORT_SYMBOL(acpi_get_system_info); +EXPORT_SYMBOL(acpi_get_system_info); /***************************************************************************** * @@ -482,9 +453,7 @@ EXPORT_SYMBOL(acpi_get_system_info); ****************************************************************************/ acpi_status -acpi_install_initialization_handler ( - acpi_init_handler handler, - u32 function) +acpi_install_initialization_handler(acpi_init_handler handler, u32 function) { if (!handler) { @@ -499,7 +468,7 @@ acpi_install_initialization_handler ( return AE_OK; } -#endif /* ACPI_FUTURE_USAGE */ +#endif /* ACPI_FUTURE_USAGE */ /***************************************************************************** * @@ -513,15 +482,13 @@ acpi_install_initialization_handler ( * ****************************************************************************/ -acpi_status -acpi_purge_cached_objects ( - void) +acpi_status acpi_purge_cached_objects(void) { - ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects"); + ACPI_FUNCTION_TRACE("acpi_purge_cached_objects"); - (void) acpi_os_purge_cache (acpi_gbl_state_cache); - (void) acpi_os_purge_cache (acpi_gbl_operand_cache); - (void) acpi_os_purge_cache (acpi_gbl_ps_node_cache); - (void) acpi_os_purge_cache (acpi_gbl_ps_node_ext_cache); - return_ACPI_STATUS (AE_OK); + (void)acpi_os_purge_cache(acpi_gbl_state_cache); + (void)acpi_os_purge_cache(acpi_gbl_operand_cache); + (void)acpi_os_purge_cache(acpi_gbl_ps_node_cache); + (void)acpi_os_purge_cache(acpi_gbl_ps_node_ext_cache); + return_ACPI_STATUS(AE_OK); } |