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Diffstat (limited to 'drivers/acpi/events/evgpe.c')
| -rw-r--r-- | drivers/acpi/events/evgpe.c | 756 |
1 files changed, 756 insertions, 0 deletions
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c new file mode 100644 index 00000000000..118d72ac7c7 --- /dev/null +++ b/drivers/acpi/events/evgpe.c @@ -0,0 +1,756 @@ +/****************************************************************************** + * + * Module Name: evgpe - General Purpose Event handling and dispatch + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2005, R. Byron Moore + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include <acpi/acevents.h> +#include <acpi/acnamesp.h> + +#define _COMPONENT ACPI_EVENTS + ACPI_MODULE_NAME ("evgpe") + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_set_gpe_type + * + * PARAMETERS: gpe_event_info - GPE to set + * Type - New type + * + * RETURN: Status + * + * DESCRIPTION: Sets the new type for the GPE (wake, run, or wake/run) + * + ******************************************************************************/ + +acpi_status +acpi_ev_set_gpe_type ( + struct acpi_gpe_event_info *gpe_event_info, + u8 type) +{ + acpi_status status; + + + ACPI_FUNCTION_TRACE ("ev_set_gpe_type"); + + + /* Validate type and update register enable masks */ + + switch (type) { + case ACPI_GPE_TYPE_WAKE: + case ACPI_GPE_TYPE_RUNTIME: + case ACPI_GPE_TYPE_WAKE_RUN: + break; + + default: + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + /* Disable the GPE if currently enabled */ + + status = acpi_ev_disable_gpe (gpe_event_info); + + /* Type was validated above */ + + gpe_event_info->flags &= ~ACPI_GPE_TYPE_MASK; /* Clear type bits */ + gpe_event_info->flags |= type; /* Insert type */ + return_ACPI_STATUS (status); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_update_gpe_enable_masks + * + * PARAMETERS: gpe_event_info - GPE to update + * Type - What to do: ACPI_GPE_DISABLE or + * ACPI_GPE_ENABLE + * + * RETURN: Status + * + * DESCRIPTION: Updates GPE register enable masks based on the GPE type + * + ******************************************************************************/ + +acpi_status +acpi_ev_update_gpe_enable_masks ( + struct acpi_gpe_event_info *gpe_event_info, + u8 type) +{ + struct acpi_gpe_register_info *gpe_register_info; + u8 register_bit; + + + ACPI_FUNCTION_TRACE ("ev_update_gpe_enable_masks"); + + + gpe_register_info = gpe_event_info->register_info; + if (!gpe_register_info) { + return_ACPI_STATUS (AE_NOT_EXIST); + } + register_bit = gpe_event_info->register_bit; + + /* 1) Disable case. Simply clear all enable bits */ + + if (type == ACPI_GPE_DISABLE) { + ACPI_CLEAR_BIT (gpe_register_info->enable_for_wake, register_bit); + ACPI_CLEAR_BIT (gpe_register_info->enable_for_run, register_bit); + return_ACPI_STATUS (AE_OK); + } + + /* 2) Enable case. Set/Clear the appropriate enable bits */ + + switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) { + case ACPI_GPE_TYPE_WAKE: + ACPI_SET_BIT (gpe_register_info->enable_for_wake, register_bit); + ACPI_CLEAR_BIT (gpe_register_info->enable_for_run, register_bit); + break; + + case ACPI_GPE_TYPE_RUNTIME: + ACPI_CLEAR_BIT (gpe_register_info->enable_for_wake, register_bit); + ACPI_SET_BIT (gpe_register_info->enable_for_run, register_bit); + break; + + case ACPI_GPE_TYPE_WAKE_RUN: + ACPI_SET_BIT (gpe_register_info->enable_for_wake, register_bit); + ACPI_SET_BIT (gpe_register_info->enable_for_run, register_bit); + break; + + default: + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_enable_gpe + * + * PARAMETERS: gpe_event_info - GPE to enable + * write_to_hardware - Enable now, or just mark data structs + * (WAKE GPEs should be deferred) + * + * RETURN: Status + * + * DESCRIPTION: Enable a GPE based on the GPE type + * + ******************************************************************************/ + +acpi_status +acpi_ev_enable_gpe ( + struct acpi_gpe_event_info *gpe_event_info, + u8 write_to_hardware) +{ + acpi_status status; + + + ACPI_FUNCTION_TRACE ("ev_enable_gpe"); + + + /* Make sure HW enable masks are updated */ + + status = acpi_ev_update_gpe_enable_masks (gpe_event_info, ACPI_GPE_ENABLE); + if (ACPI_FAILURE (status)) { + return_ACPI_STATUS (status); + } + + /* Mark wake-enabled or HW enable, or both */ + + switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) { + case ACPI_GPE_TYPE_WAKE: + + ACPI_SET_BIT (gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED); + break; + + case ACPI_GPE_TYPE_WAKE_RUN: + + ACPI_SET_BIT (gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED); + + /*lint -fallthrough */ + + case ACPI_GPE_TYPE_RUNTIME: + + ACPI_SET_BIT (gpe_event_info->flags, ACPI_GPE_RUN_ENABLED); + + if (write_to_hardware) { + /* Clear the GPE (of stale events), then enable it */ + + status = acpi_hw_clear_gpe (gpe_event_info); + if (ACPI_FAILURE (status)) { + return_ACPI_STATUS (status); + } + + /* Enable the requested runtime GPE */ + + status = acpi_hw_write_gpe_enable_reg (gpe_event_info); + } + break; + + default: + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_disable_gpe + * + * PARAMETERS: gpe_event_info - GPE to disable + * + * RETURN: Status + * + * DESCRIPTION: Disable a GPE based on the GPE type + * + ******************************************************************************/ + +acpi_status +acpi_ev_disable_gpe ( + struct acpi_gpe_event_info *gpe_event_info) +{ + acpi_status status; + + + ACPI_FUNCTION_TRACE ("ev_disable_gpe"); + + + if (!(gpe_event_info->flags & ACPI_GPE_ENABLE_MASK)) { + return_ACPI_STATUS (AE_OK); + } + + /* Make sure HW enable masks are updated */ + + status = acpi_ev_update_gpe_enable_masks (gpe_event_info, ACPI_GPE_DISABLE); + if (ACPI_FAILURE (status)) { + return_ACPI_STATUS (status); + } + + /* Mark wake-disabled or HW disable, or both */ + + switch (gpe_event_info->flags & ACPI_GPE_TYPE_MASK) { + case ACPI_GPE_TYPE_WAKE: + ACPI_CLEAR_BIT (gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED); + break; + + case ACPI_GPE_TYPE_WAKE_RUN: + ACPI_CLEAR_BIT (gpe_event_info->flags, ACPI_GPE_WAKE_ENABLED); + + /*lint -fallthrough */ + + case ACPI_GPE_TYPE_RUNTIME: + + /* Disable the requested runtime GPE */ + + ACPI_CLEAR_BIT (gpe_event_info->flags, ACPI_GPE_RUN_ENABLED); + status = acpi_hw_write_gpe_enable_reg (gpe_event_info); + break; + + default: + return_ACPI_STATUS (AE_BAD_PARAMETER); + } + + return_ACPI_STATUS (AE_OK); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_get_gpe_event_info + * + * PARAMETERS: gpe_device - Device node. NULL for GPE0/GPE1 + * gpe_number - Raw GPE number + * + * RETURN: A GPE event_info struct. NULL if not a valid GPE + * + * DESCRIPTION: Returns the event_info struct associated with this GPE. + * Validates the gpe_block and the gpe_number + * + * Should be called only when the GPE lists are semaphore locked + * and not subject to change. + * + ******************************************************************************/ + +struct acpi_gpe_event_info * +acpi_ev_get_gpe_event_info ( + acpi_handle gpe_device, + u32 gpe_number) +{ + union acpi_operand_object *obj_desc; + struct acpi_gpe_block_info *gpe_block; + acpi_native_uint i; + + + ACPI_FUNCTION_ENTRY (); + + + /* A NULL gpe_block means use the FADT-defined GPE block(s) */ + + if (!gpe_device) { + /* Examine GPE Block 0 and 1 (These blocks are permanent) */ + + for (i = 0; i < ACPI_MAX_GPE_BLOCKS; i++) { + gpe_block = acpi_gbl_gpe_fadt_blocks[i]; + if (gpe_block) { + if ((gpe_number >= gpe_block->block_base_number) && + (gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) { + return (&gpe_block->event_info[gpe_number - gpe_block->block_base_number]); + } + } + } + + /* The gpe_number was not in the range of either FADT GPE block */ + + return (NULL); + } + + /* A Non-NULL gpe_device means this is a GPE Block Device */ + + obj_desc = acpi_ns_get_attached_object ((struct acpi_namespace_node *) gpe_device); + if (!obj_desc || + !obj_desc->device.gpe_block) { + return (NULL); + } + + gpe_block = obj_desc->device.gpe_block; + + if ((gpe_number >= gpe_block->block_base_number) && + (gpe_number < gpe_block->block_base_number + (gpe_block->register_count * 8))) { + return (&gpe_block->event_info[gpe_number - gpe_block->block_base_number]); + } + + return (NULL); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_gpe_detect + * + * PARAMETERS: gpe_xrupt_list - Interrupt block for this interrupt. + * Can have multiple GPE blocks attached. + * + * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED + * + * DESCRIPTION: Detect if any GP events have occurred. This function is + * executed at interrupt level. + * + ******************************************************************************/ + +u32 +acpi_ev_gpe_detect ( + struct acpi_gpe_xrupt_info *gpe_xrupt_list) +{ + u32 int_status = ACPI_INTERRUPT_NOT_HANDLED; + u8 enabled_status_byte; + struct acpi_gpe_register_info *gpe_register_info; + u32 status_reg; + u32 enable_reg; + acpi_status status; + struct acpi_gpe_block_info *gpe_block; + acpi_native_uint i; + acpi_native_uint j; + + + ACPI_FUNCTION_NAME ("ev_gpe_detect"); + + /* Check for the case where there are no GPEs */ + + if (!gpe_xrupt_list) { + return (int_status); + } + + /* Examine all GPE blocks attached to this interrupt level */ + + acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_ISR); + gpe_block = gpe_xrupt_list->gpe_block_list_head; + while (gpe_block) { + /* + * Read all of the 8-bit GPE status and enable registers + * in this GPE block, saving all of them. + * Find all currently active GP events. + */ + for (i = 0; i < gpe_block->register_count; i++) { + /* Get the next status/enable pair */ + + gpe_register_info = &gpe_block->register_info[i]; + + /* Read the Status Register */ + + status = acpi_hw_low_level_read (ACPI_GPE_REGISTER_WIDTH, &status_reg, + &gpe_register_info->status_address); + if (ACPI_FAILURE (status)) { + goto unlock_and_exit; + } + + /* Read the Enable Register */ + + status = acpi_hw_low_level_read (ACPI_GPE_REGISTER_WIDTH, &enable_reg, + &gpe_register_info->enable_address); + if (ACPI_FAILURE (status)) { + goto unlock_and_exit; + } + + ACPI_DEBUG_PRINT ((ACPI_DB_INTERRUPTS, + "Read GPE Register at GPE%X: Status=%02X, Enable=%02X\n", + gpe_register_info->base_gpe_number, status_reg, enable_reg)); + + /* First check if there is anything active at all in this register */ + + enabled_status_byte = (u8) (status_reg & enable_reg); + if (!enabled_status_byte) { + /* No active GPEs in this register, move on */ + + continue; + } + + /* Now look at the individual GPEs in this byte register */ + + for (j = 0; j < ACPI_GPE_REGISTER_WIDTH; j++) { + /* Examine one GPE bit */ + + if (enabled_status_byte & acpi_gbl_decode_to8bit[j]) { + /* + * Found an active GPE. Dispatch the event to a handler + * or method. + */ + int_status |= acpi_ev_gpe_dispatch ( + &gpe_block->event_info[(i * ACPI_GPE_REGISTER_WIDTH) + j], + (u32) j + gpe_register_info->base_gpe_number); + } + } + } + + gpe_block = gpe_block->next; + } + +unlock_and_exit: + + acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_ISR); + return (int_status); +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_asynch_execute_gpe_method + * + * PARAMETERS: Context (gpe_event_info) - Info for this GPE + * + * RETURN: None + * + * DESCRIPTION: Perform the actual execution of a GPE control method. This + * function is called from an invocation of acpi_os_queue_for_execution + * (and therefore does NOT execute at interrupt level) so that + * the control method itself is not executed in the context of + * an interrupt handler. + * + ******************************************************************************/ + +static void ACPI_SYSTEM_XFACE +acpi_ev_asynch_execute_gpe_method ( + void *context) +{ + struct acpi_gpe_event_info *gpe_event_info = (void *) context; + u32 gpe_number = 0; + acpi_status status; + struct acpi_gpe_event_info local_gpe_event_info; + struct acpi_parameter_info info; + + + ACPI_FUNCTION_TRACE ("ev_asynch_execute_gpe_method"); + + + status = acpi_ut_acquire_mutex (ACPI_MTX_EVENTS); + if (ACPI_FAILURE (status)) { + return_VOID; + } + + /* Must revalidate the gpe_number/gpe_block */ + + if (!acpi_ev_valid_gpe_event (gpe_event_info)) { + status = acpi_ut_release_mutex (ACPI_MTX_EVENTS); + return_VOID; + } + + /* Set the GPE flags for return to enabled state */ + + (void) acpi_ev_enable_gpe (gpe_event_info, FALSE); + + /* + * Take a snapshot of the GPE info for this level - we copy the + * info to prevent a race condition with remove_handler/remove_block. + */ + ACPI_MEMCPY (&local_gpe_event_info, gpe_event_info, sizeof (struct acpi_gpe_event_info)); + + status = acpi_ut_release_mutex (ACPI_MTX_EVENTS); + if (ACPI_FAILURE (status)) { + return_VOID; + } + + /* + * Must check for control method type dispatch one more + * time to avoid race with ev_gpe_install_handler + */ + if ((local_gpe_event_info.flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_METHOD) { + /* + * Invoke the GPE Method (_Lxx, _Exx) i.e., evaluate the _Lxx/_Exx + * control method that corresponds to this GPE + */ + info.node = local_gpe_event_info.dispatch.method_node; + info.parameters = ACPI_CAST_PTR (union acpi_operand_object *, gpe_event_info); + info.parameter_type = ACPI_PARAM_GPE; + + status = acpi_ns_evaluate_by_handle (&info); + if (ACPI_FAILURE (status)) { + ACPI_REPORT_ERROR (( + "%s while evaluating method [%4.4s] for GPE[%2X]\n", + acpi_format_exception (status), + acpi_ut_get_node_name (local_gpe_event_info.dispatch.method_node), + gpe_number)); + } + } + + if ((local_gpe_event_info.flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) { + /* + * GPE is level-triggered, we clear the GPE status bit after + * handling the event. + */ + status = acpi_hw_clear_gpe (&local_gpe_event_info); + if (ACPI_FAILURE (status)) { + return_VOID; + } + } + + /* Enable this GPE */ + + (void) acpi_hw_write_gpe_enable_reg (&local_gpe_event_info); + return_VOID; +} + + +/******************************************************************************* + * + * FUNCTION: acpi_ev_gpe_dispatch + * + * PARAMETERS: gpe_event_info - info for this GPE + * gpe_number - Number relative to the parent GPE block + * + * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED + * + * DESCRIPTION: Dispatch a General Purpose Event to either a function (e.g. EC) + * or method (e.g. _Lxx/_Exx) handler. + * + * This function executes at interrupt level. + * + ******************************************************************************/ + +u32 +acpi_ev_gpe_dispatch ( + struct acpi_gpe_event_info *gpe_event_info, + u32 gpe_number) +{ + acpi_status status; + + + ACPI_FUNCTION_TRACE ("ev_gpe_dispatch"); + + + /* + * If edge-triggered, clear the GPE status bit now. Note that + * level-triggered events are cleared after the GPE is serviced. + */ + if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_EDGE_TRIGGERED) { + status = acpi_hw_clear_gpe (gpe_event_info); + if (ACPI_FAILURE (status)) { + ACPI_REPORT_ERROR (("acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n", + acpi_format_exception (status), gpe_number)); + return_VALUE (ACPI_INTERRUPT_NOT_HANDLED); + } + } + + /* Save current system state */ + + if (acpi_gbl_system_awake_and_running) { + ACPI_SET_BIT (gpe_event_info->flags, ACPI_GPE_SYSTEM_RUNNING); + } + else { + ACPI_CLEAR_BIT (gpe_event_info->flags, ACPI_GPE_SYSTEM_RUNNING); + } + + /* + * Dispatch the GPE to either an installed handler, or the control + * method associated with this GPE (_Lxx or _Exx). + * If a handler exists, we invoke it and do not attempt to run the method. + * If there is neither a handler nor a method, we disable the level to + * prevent further events from coming in here. + */ + switch (gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) { + case ACPI_GPE_DISPATCH_HANDLER: + + /* + * Invoke the installed handler (at interrupt level) + * Ignore return status for now. TBD: leave GPE disabled on error? + */ + (void) gpe_event_info->dispatch.handler->address ( + gpe_event_info->dispatch.handler->context); + + /* It is now safe to clear level-triggered events. */ + + if ((gpe_event_info->flags & ACPI_GPE_XRUPT_TYPE_MASK) == ACPI_GPE_LEVEL_TRIGGERED) { + status = acpi_hw_clear_gpe (gpe_event_info); + if (ACPI_FAILURE (status)) { + ACPI_REPORT_ERROR (( + "acpi_ev_gpe_dispatch: %s, Unable to clear GPE[%2X]\n", + acpi_format_exception (status), gpe_number)); + return_VALUE (ACPI_INTERRUPT_NOT_HANDLED); + } + } + break; + + case ACPI_GPE_DISPATCH_METHOD: + + /* + * Disable GPE, so it doesn't keep firing before the method has a + * chance to run. + */ + status = acpi_ev_disable_gpe (gpe_event_info); + if (ACPI_FAILURE (status)) { + ACPI_REPORT_ERROR (( + "acpi_ev_gpe_dispatch: %s, Unable to disable GPE[%2X]\n", + acpi_format_exception (status), gpe_number)); + return_VALUE (ACPI_INTERRUPT_NOT_HANDLED); + } + + /* + * Execute the method associated with the GPE + * NOTE: Level-triggered GPEs are cleared after the method completes. + */ + status = acpi_os_queue_for_execution (OSD_PRIORITY_GPE, + acpi_ev_asynch_execute_gpe_method, gpe_event_info); + if (ACPI_FAILURE (status)) { + ACPI_REPORT_ERROR (( + "acpi_ev_gpe_dispatch: %s, Unable to queue handler for GPE[%2X] - event disabled\n", + acpi_format_exception (status), gpe_number)); + } + break; + + default: + + /* No handler or method to run! */ + + ACPI_REPORT_ERROR (( + "acpi_ev_gpe_dispatch: No handler or method for GPE[%2X], disabling event\n", + gpe_number)); + + /* + * Disable the GPE. The GPE will remain disabled until the ACPI + * Core Subsystem is restarted, or a handler is installed. + */ + status = acpi_ev_disable_gpe (gpe_event_info); + if (ACPI_FAILURE (status)) { + ACPI_REPORT_ERROR (( + "acpi_ev_gpe_dispatch: %s, Unable to disable GPE[%2X]\n", + acpi_format_exception (status), gpe_number)); + return_VALUE (ACPI_INTERRUPT_NOT_HANDLED); + } + break; + } + + return_VALUE (ACPI_INTERRUPT_HANDLED); +} + + +#ifdef ACPI_GPE_NOTIFY_CHECK + +/******************************************************************************* + * TBD: NOT USED, PROTOTYPE ONLY AND WILL PROBABLY BE REMOVED + * + * FUNCTION: acpi_ev_check_for_wake_only_gpe + * + * PARAMETERS: gpe_event_info - info for this GPE + * + * RETURN: Status + * + * DESCRIPTION: Determine if a a GPE is "wake-only". + * + * Called from Notify() code in interpreter when a "device_wake" + * Notify comes in. + * + ******************************************************************************/ + +acpi_status +acpi_ev_check_for_wake_only_gpe ( + struct acpi_gpe_event_info *gpe_event_info) +{ + acpi_status status; + + + ACPI_FUNCTION_TRACE ("ev_check_for_wake_only_gpe"); + + + if ((gpe_event_info) && /* Only >0 for _Lxx/_Exx */ + ((gpe_event_info->flags & ACPI_GPE_SYSTEM_MASK) == ACPI_GPE_SYSTEM_RUNNING)) /* System state at GPE time */ { + /* This must be a wake-only GPE, disable it */ + + status = acpi_ev_disable_gpe (gpe_event_info); + + /* Set GPE to wake-only. Do not change wake disabled/enabled status */ + + acpi_ev_set_gpe_type (gpe_event_info, ACPI_GPE_TYPE_WAKE); + + ACPI_REPORT_INFO (("GPE %p was updated from wake/run to wake-only\n", + gpe_event_info)); + + /* This was a wake-only GPE */ + + return_ACPI_STATUS (AE_WAKE_ONLY_GPE); + } + + return_ACPI_STATUS (AE_OK); +} +#endif + + |