diff options
Diffstat (limited to 'drivers/acpi/events/evxfevnt.c')
| -rw-r--r-- | drivers/acpi/events/evxfevnt.c | 463 |
1 files changed, 199 insertions, 264 deletions
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c index c5f74d7b64d..887ff9f28a0 100644 --- a/drivers/acpi/events/evxfevnt.c +++ b/drivers/acpi/events/evxfevnt.c @@ -48,8 +48,7 @@ #include <acpi/acnamesp.h> #define _COMPONENT ACPI_EVENTS - ACPI_MODULE_NAME ("evxfevnt") - +ACPI_MODULE_NAME("evxfevnt") /******************************************************************************* * @@ -62,44 +61,39 @@ * DESCRIPTION: Transfers the system into ACPI mode. * ******************************************************************************/ - -acpi_status -acpi_enable ( - void) +acpi_status acpi_enable(void) { - acpi_status status = AE_OK; - + acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE ("acpi_enable"); + ACPI_FUNCTION_TRACE("acpi_enable"); - - /* Make sure we have the FADT*/ + /* Make sure we have the FADT */ if (!acpi_gbl_FADT) { - ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No FADT information present!\n")); - return_ACPI_STATUS (AE_NO_ACPI_TABLES); + ACPI_DEBUG_PRINT((ACPI_DB_WARN, + "No FADT information present!\n")); + return_ACPI_STATUS(AE_NO_ACPI_TABLES); } if (acpi_hw_get_mode() == ACPI_SYS_MODE_ACPI) { - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "System is already in ACPI mode\n")); - } - else { + ACPI_DEBUG_PRINT((ACPI_DB_INIT, + "System is already in ACPI mode\n")); + } else { /* Transition to ACPI mode */ - status = acpi_hw_set_mode (ACPI_SYS_MODE_ACPI); - if (ACPI_FAILURE (status)) { - ACPI_REPORT_ERROR (("Could not transition to ACPI mode.\n")); - return_ACPI_STATUS (status); + status = acpi_hw_set_mode(ACPI_SYS_MODE_ACPI); + if (ACPI_FAILURE(status)) { + ACPI_REPORT_ERROR(("Could not transition to ACPI mode.\n")); + return_ACPI_STATUS(status); } - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, - "Transition to ACPI mode successful\n")); + ACPI_DEBUG_PRINT((ACPI_DB_INIT, + "Transition to ACPI mode successful\n")); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_disable @@ -112,43 +106,38 @@ acpi_enable ( * ******************************************************************************/ -acpi_status -acpi_disable ( - void) +acpi_status acpi_disable(void) { - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("acpi_disable"); + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE("acpi_disable"); if (!acpi_gbl_FADT) { - ACPI_DEBUG_PRINT ((ACPI_DB_WARN, "No FADT information present!\n")); - return_ACPI_STATUS (AE_NO_ACPI_TABLES); + ACPI_DEBUG_PRINT((ACPI_DB_WARN, + "No FADT information present!\n")); + return_ACPI_STATUS(AE_NO_ACPI_TABLES); } if (acpi_hw_get_mode() == ACPI_SYS_MODE_LEGACY) { - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, - "System is already in legacy (non-ACPI) mode\n")); - } - else { + ACPI_DEBUG_PRINT((ACPI_DB_INIT, + "System is already in legacy (non-ACPI) mode\n")); + } else { /* Transition to LEGACY mode */ - status = acpi_hw_set_mode (ACPI_SYS_MODE_LEGACY); + status = acpi_hw_set_mode(ACPI_SYS_MODE_LEGACY); - if (ACPI_FAILURE (status)) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Could not exit ACPI mode to legacy mode")); - return_ACPI_STATUS (status); + if (ACPI_FAILURE(status)) { + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Could not exit ACPI mode to legacy mode")); + return_ACPI_STATUS(status); } - ACPI_DEBUG_PRINT ((ACPI_DB_INIT, "ACPI mode disabled\n")); + ACPI_DEBUG_PRINT((ACPI_DB_INIT, "ACPI mode disabled\n")); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_enable_event @@ -162,52 +151,50 @@ acpi_disable ( * ******************************************************************************/ -acpi_status -acpi_enable_event ( - u32 event, - u32 flags) +acpi_status acpi_enable_event(u32 event, u32 flags) { - acpi_status status = AE_OK; - u32 value; - - - ACPI_FUNCTION_TRACE ("acpi_enable_event"); + acpi_status status = AE_OK; + u32 value; + ACPI_FUNCTION_TRACE("acpi_enable_event"); /* Decode the Fixed Event */ if (event > ACPI_EVENT_MAX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* * Enable the requested fixed event (by writing a one to the * enable register bit) */ - status = acpi_set_register (acpi_gbl_fixed_event_info[event].enable_register_id, - 1, ACPI_MTX_LOCK); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = + acpi_set_register(acpi_gbl_fixed_event_info[event]. + enable_register_id, 1, ACPI_MTX_LOCK); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } /* Make sure that the hardware responded */ - status = acpi_get_register (acpi_gbl_fixed_event_info[event].enable_register_id, - &value, ACPI_MTX_LOCK); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = + acpi_get_register(acpi_gbl_fixed_event_info[event]. + enable_register_id, &value, ACPI_MTX_LOCK); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } if (value != 1) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Could not enable %s event\n", acpi_ut_get_event_name (event))); - return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Could not enable %s event\n", + acpi_ut_get_event_name(event))); + return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } -EXPORT_SYMBOL(acpi_enable_event); +EXPORT_SYMBOL(acpi_enable_event); /******************************************************************************* * @@ -223,40 +210,34 @@ EXPORT_SYMBOL(acpi_enable_event); * ******************************************************************************/ -acpi_status -acpi_set_gpe_type ( - acpi_handle gpe_device, - u32 gpe_number, - u8 type) +acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type) { - acpi_status status = AE_OK; - struct acpi_gpe_event_info *gpe_event_info; - - - ACPI_FUNCTION_TRACE ("acpi_set_gpe_type"); + acpi_status status = AE_OK; + struct acpi_gpe_event_info *gpe_event_info; + ACPI_FUNCTION_TRACE("acpi_set_gpe_type"); /* Ensure that we have a valid GPE number */ - gpe_event_info = acpi_ev_get_gpe_event_info (gpe_device, gpe_number); + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { status = AE_BAD_PARAMETER; goto unlock_and_exit; } if ((gpe_event_info->flags & ACPI_GPE_TYPE_MASK) == type) { - return_ACPI_STATUS (AE_OK); + return_ACPI_STATUS(AE_OK); } /* Set the new type (will disable GPE if currently enabled) */ - status = acpi_ev_set_gpe_type (gpe_event_info, type); + status = acpi_ev_set_gpe_type(gpe_event_info, type); -unlock_and_exit: - return_ACPI_STATUS (status); + unlock_and_exit: + return_ACPI_STATUS(status); } -EXPORT_SYMBOL(acpi_set_gpe_type); +EXPORT_SYMBOL(acpi_set_gpe_type); /******************************************************************************* * @@ -273,31 +254,25 @@ EXPORT_SYMBOL(acpi_set_gpe_type); * ******************************************************************************/ -acpi_status -acpi_enable_gpe ( - acpi_handle gpe_device, - u32 gpe_number, - u32 flags) +acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) { - acpi_status status = AE_OK; - struct acpi_gpe_event_info *gpe_event_info; - - - ACPI_FUNCTION_TRACE ("acpi_enable_gpe"); + acpi_status status = AE_OK; + struct acpi_gpe_event_info *gpe_event_info; + ACPI_FUNCTION_TRACE("acpi_enable_gpe"); /* Use semaphore lock if not executing at interrupt level */ if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* Ensure that we have a valid GPE number */ - gpe_event_info = acpi_ev_get_gpe_event_info (gpe_device, gpe_number); + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { status = AE_BAD_PARAMETER; goto unlock_and_exit; @@ -305,16 +280,16 @@ acpi_enable_gpe ( /* Perform the enable */ - status = acpi_ev_enable_gpe (gpe_event_info, TRUE); + status = acpi_ev_enable_gpe(gpe_event_info, TRUE); -unlock_and_exit: + unlock_and_exit: if (flags & ACPI_NOT_ISR) { - (void) acpi_ut_release_mutex (ACPI_MTX_EVENTS); + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } -EXPORT_SYMBOL(acpi_enable_gpe); +EXPORT_SYMBOL(acpi_enable_gpe); /******************************************************************************* * @@ -331,46 +306,39 @@ EXPORT_SYMBOL(acpi_enable_gpe); * ******************************************************************************/ -acpi_status -acpi_disable_gpe ( - acpi_handle gpe_device, - u32 gpe_number, - u32 flags) +acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) { - acpi_status status = AE_OK; - struct acpi_gpe_event_info *gpe_event_info; - - - ACPI_FUNCTION_TRACE ("acpi_disable_gpe"); + acpi_status status = AE_OK; + struct acpi_gpe_event_info *gpe_event_info; + ACPI_FUNCTION_TRACE("acpi_disable_gpe"); /* Use semaphore lock if not executing at interrupt level */ if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* Ensure that we have a valid GPE number */ - gpe_event_info = acpi_ev_get_gpe_event_info (gpe_device, gpe_number); + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { status = AE_BAD_PARAMETER; goto unlock_and_exit; } - status = acpi_ev_disable_gpe (gpe_event_info); + status = acpi_ev_disable_gpe(gpe_event_info); -unlock_and_exit: + unlock_and_exit: if (flags & ACPI_NOT_ISR) { - (void) acpi_ut_release_mutex (ACPI_MTX_EVENTS); + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_disable_event @@ -384,50 +352,48 @@ unlock_and_exit: * ******************************************************************************/ -acpi_status -acpi_disable_event ( - u32 event, - u32 flags) +acpi_status acpi_disable_event(u32 event, u32 flags) { - acpi_status status = AE_OK; - u32 value; - - - ACPI_FUNCTION_TRACE ("acpi_disable_event"); + acpi_status status = AE_OK; + u32 value; + ACPI_FUNCTION_TRACE("acpi_disable_event"); /* Decode the Fixed Event */ if (event > ACPI_EVENT_MAX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* * Disable the requested fixed event (by writing a zero to the * enable register bit) */ - status = acpi_set_register (acpi_gbl_fixed_event_info[event].enable_register_id, - 0, ACPI_MTX_LOCK); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = + acpi_set_register(acpi_gbl_fixed_event_info[event]. + enable_register_id, 0, ACPI_MTX_LOCK); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } - status = acpi_get_register (acpi_gbl_fixed_event_info[event].enable_register_id, - &value, ACPI_MTX_LOCK); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = + acpi_get_register(acpi_gbl_fixed_event_info[event]. + enable_register_id, &value, ACPI_MTX_LOCK); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } if (value != 0) { - ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, - "Could not disable %s events\n", acpi_ut_get_event_name (event))); - return_ACPI_STATUS (AE_NO_HARDWARE_RESPONSE); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "Could not disable %s events\n", + acpi_ut_get_event_name(event))); + return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } -EXPORT_SYMBOL(acpi_disable_event); +EXPORT_SYMBOL(acpi_disable_event); /******************************************************************************* * @@ -441,33 +407,30 @@ EXPORT_SYMBOL(acpi_disable_event); * ******************************************************************************/ -acpi_status -acpi_clear_event ( - u32 event) +acpi_status acpi_clear_event(u32 event) { - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("acpi_clear_event"); + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE("acpi_clear_event"); /* Decode the Fixed Event */ if (event > ACPI_EVENT_MAX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* * Clear the requested fixed event (By writing a one to the * status register bit) */ - status = acpi_set_register (acpi_gbl_fixed_event_info[event].status_register_id, - 1, ACPI_MTX_LOCK); + status = + acpi_set_register(acpi_gbl_fixed_event_info[event]. + status_register_id, 1, ACPI_MTX_LOCK); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } -EXPORT_SYMBOL(acpi_clear_event); +EXPORT_SYMBOL(acpi_clear_event); /******************************************************************************* * @@ -483,46 +446,39 @@ EXPORT_SYMBOL(acpi_clear_event); * ******************************************************************************/ -acpi_status -acpi_clear_gpe ( - acpi_handle gpe_device, - u32 gpe_number, - u32 flags) +acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags) { - acpi_status status = AE_OK; - struct acpi_gpe_event_info *gpe_event_info; - - - ACPI_FUNCTION_TRACE ("acpi_clear_gpe"); + acpi_status status = AE_OK; + struct acpi_gpe_event_info *gpe_event_info; + ACPI_FUNCTION_TRACE("acpi_clear_gpe"); /* Use semaphore lock if not executing at interrupt level */ if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* Ensure that we have a valid GPE number */ - gpe_event_info = acpi_ev_get_gpe_event_info (gpe_device, gpe_number); + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { status = AE_BAD_PARAMETER; goto unlock_and_exit; } - status = acpi_hw_clear_gpe (gpe_event_info); + status = acpi_hw_clear_gpe(gpe_event_info); -unlock_and_exit: + unlock_and_exit: if (flags & ACPI_NOT_ISR) { - (void) acpi_ut_release_mutex (ACPI_MTX_EVENTS); + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - #ifdef ACPI_FUTURE_USAGE /******************************************************************************* * @@ -538,36 +494,31 @@ unlock_and_exit: * ******************************************************************************/ -acpi_status -acpi_get_event_status ( - u32 event, - acpi_event_status *event_status) +acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) { - acpi_status status = AE_OK; - - - ACPI_FUNCTION_TRACE ("acpi_get_event_status"); + acpi_status status = AE_OK; + ACPI_FUNCTION_TRACE("acpi_get_event_status"); if (!event_status) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Decode the Fixed Event */ if (event > ACPI_EVENT_MAX) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } /* Get the status of the requested fixed event */ - status = acpi_get_register (acpi_gbl_fixed_event_info[event].status_register_id, - event_status, ACPI_MTX_LOCK); + status = + acpi_get_register(acpi_gbl_fixed_event_info[event]. + status_register_id, event_status, ACPI_MTX_LOCK); - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } - /******************************************************************************* * * FUNCTION: acpi_get_gpe_status @@ -585,31 +536,26 @@ acpi_get_event_status ( ******************************************************************************/ acpi_status -acpi_get_gpe_status ( - acpi_handle gpe_device, - u32 gpe_number, - u32 flags, - acpi_event_status *event_status) +acpi_get_gpe_status(acpi_handle gpe_device, + u32 gpe_number, u32 flags, acpi_event_status * event_status) { - acpi_status status = AE_OK; - struct acpi_gpe_event_info *gpe_event_info; - - - ACPI_FUNCTION_TRACE ("acpi_get_gpe_status"); + acpi_status status = AE_OK; + struct acpi_gpe_event_info *gpe_event_info; + ACPI_FUNCTION_TRACE("acpi_get_gpe_status"); /* Use semaphore lock if not executing at interrupt level */ if (flags & ACPI_NOT_ISR) { - status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* Ensure that we have a valid GPE number */ - gpe_event_info = acpi_ev_get_gpe_event_info (gpe_device, gpe_number); + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { status = AE_BAD_PARAMETER; goto unlock_and_exit; @@ -617,16 +563,15 @@ acpi_get_gpe_status ( /* Obtain status on the requested GPE number */ - status = acpi_hw_get_gpe_status (gpe_event_info, event_status); + status = acpi_hw_get_gpe_status(gpe_event_info, event_status); -unlock_and_exit: + unlock_and_exit: if (flags & ACPI_NOT_ISR) { - (void) acpi_ut_release_mutex (ACPI_MTX_EVENTS); + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); } - return_ACPI_STATUS (status); + return_ACPI_STATUS(status); } -#endif /* ACPI_FUTURE_USAGE */ - +#endif /* ACPI_FUTURE_USAGE */ /******************************************************************************* * @@ -644,33 +589,27 @@ unlock_and_exit: ******************************************************************************/ acpi_status -acpi_install_gpe_block ( - acpi_handle gpe_device, - struct acpi_generic_address *gpe_block_address, - u32 register_count, - u32 interrupt_number) +acpi_install_gpe_block(acpi_handle gpe_device, + struct acpi_generic_address *gpe_block_address, + u32 register_count, u32 interrupt_number) { - acpi_status status; - union acpi_operand_object *obj_desc; - struct acpi_namespace_node *node; - struct acpi_gpe_block_info *gpe_block; - + acpi_status status; + union acpi_operand_object *obj_desc; + struct acpi_namespace_node *node; + struct acpi_gpe_block_info *gpe_block; - ACPI_FUNCTION_TRACE ("acpi_install_gpe_block"); + ACPI_FUNCTION_TRACE("acpi_install_gpe_block"); - - if ((!gpe_device) || - (!gpe_block_address) || - (!register_count)) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + if ((!gpe_device) || (!gpe_block_address) || (!register_count)) { + return_ACPI_STATUS(AE_BAD_PARAMETER); } - status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { return (status); } - node = acpi_ns_map_handle_to_node (gpe_device); + node = acpi_ns_map_handle_to_node(gpe_device); if (!node) { status = AE_BAD_PARAMETER; goto unlock_and_exit; @@ -680,31 +619,33 @@ acpi_install_gpe_block ( * For user-installed GPE Block Devices, the gpe_block_base_number * is always zero */ - status = acpi_ev_create_gpe_block (node, gpe_block_address, register_count, - 0, interrupt_number, &gpe_block); - if (ACPI_FAILURE (status)) { + status = + acpi_ev_create_gpe_block(node, gpe_block_address, register_count, 0, + interrupt_number, &gpe_block); + if (ACPI_FAILURE(status)) { goto unlock_and_exit; } /* Get the device_object attached to the node */ - obj_desc = acpi_ns_get_attached_object (node); + obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { /* No object, create a new one */ - obj_desc = acpi_ut_create_internal_object (ACPI_TYPE_DEVICE); + obj_desc = acpi_ut_create_internal_object(ACPI_TYPE_DEVICE); if (!obj_desc) { status = AE_NO_MEMORY; goto unlock_and_exit; } - status = acpi_ns_attach_object (node, obj_desc, ACPI_TYPE_DEVICE); + status = + acpi_ns_attach_object(node, obj_desc, ACPI_TYPE_DEVICE); /* Remove local reference to the object */ - acpi_ut_remove_reference (obj_desc); + acpi_ut_remove_reference(obj_desc); - if (ACPI_FAILURE (status)) { + if (ACPI_FAILURE(status)) { goto unlock_and_exit; } } @@ -713,13 +654,12 @@ acpi_install_gpe_block ( obj_desc->device.gpe_block = gpe_block; - -unlock_and_exit: - (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (status); + unlock_and_exit: + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + return_ACPI_STATUS(status); } -EXPORT_SYMBOL(acpi_install_gpe_block); +EXPORT_SYMBOL(acpi_install_gpe_block); /******************************************************************************* * @@ -733,28 +673,24 @@ EXPORT_SYMBOL(acpi_install_gpe_block); * ******************************************************************************/ -acpi_status -acpi_remove_gpe_block ( - acpi_handle gpe_device) +acpi_status acpi_remove_gpe_block(acpi_handle gpe_device) { - union acpi_operand_object *obj_desc; - acpi_status status; - struct acpi_namespace_node *node; - - - ACPI_FUNCTION_TRACE ("acpi_remove_gpe_block"); + union acpi_operand_object *obj_desc; + acpi_status status; + struct acpi_namespace_node *node; + ACPI_FUNCTION_TRACE("acpi_remove_gpe_block"); if (!gpe_device) { - return_ACPI_STATUS (AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PARAMETER); } - status = acpi_ut_acquire_mutex (ACPI_MTX_NAMESPACE); - if (ACPI_FAILURE (status)) { + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { return (status); } - node = acpi_ns_map_handle_to_node (gpe_device); + node = acpi_ns_map_handle_to_node(gpe_device); if (!node) { status = AE_BAD_PARAMETER; goto unlock_and_exit; @@ -762,22 +698,21 @@ acpi_remove_gpe_block ( /* Get the device_object attached to the node */ - obj_desc = acpi_ns_get_attached_object (node); - if (!obj_desc || - !obj_desc->device.gpe_block) { - return_ACPI_STATUS (AE_NULL_OBJECT); + obj_desc = acpi_ns_get_attached_object(node); + if (!obj_desc || !obj_desc->device.gpe_block) { + return_ACPI_STATUS(AE_NULL_OBJECT); } /* Delete the GPE block (but not the device_object) */ - status = acpi_ev_delete_gpe_block (obj_desc->device.gpe_block); - if (ACPI_SUCCESS (status)) { + status = acpi_ev_delete_gpe_block(obj_desc->device.gpe_block); + if (ACPI_SUCCESS(status)) { obj_desc->device.gpe_block = NULL; } -unlock_and_exit: - (void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE); - return_ACPI_STATUS (status); + unlock_and_exit: + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + return_ACPI_STATUS(status); } EXPORT_SYMBOL(acpi_remove_gpe_block); |