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path: root/drivers/acpi/acpica/evgpeblk.c
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Diffstat (limited to 'drivers/acpi/acpica/evgpeblk.c')
-rw-r--r--drivers/acpi/acpica/evgpeblk.c62
1 files changed, 12 insertions, 50 deletions
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c
index 7ce756cc28ab..b253063b09d3 100644
--- a/drivers/acpi/acpica/evgpeblk.c
+++ b/drivers/acpi/acpica/evgpeblk.c
@@ -1,45 +1,11 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/******************************************************************************
*
* Module Name: evgpeblk - GPE block creation and initialization.
*
- *****************************************************************************/
-
-/*
* Copyright (C) 2000 - 2018, Intel Corp.
- * 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 "accommon.h"
@@ -437,16 +403,16 @@ acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
acpi_status
acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
struct acpi_gpe_block_info *gpe_block,
- void *ignored)
+ void *context)
{
acpi_status status;
- acpi_event_status event_status;
struct acpi_gpe_event_info *gpe_event_info;
u32 gpe_enabled_count;
u32 gpe_index;
- u32 gpe_number;
u32 i;
u32 j;
+ u8 *is_polling_needed = context;
+ ACPI_ERROR_ONLY(u32 gpe_number);
ACPI_FUNCTION_TRACE(ev_initialize_gpe_block);
@@ -472,7 +438,10 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
gpe_index = (i * ACPI_GPE_REGISTER_WIDTH) + j;
gpe_event_info = &gpe_block->event_info[gpe_index];
- gpe_number = gpe_block->block_base_number + gpe_index;
+ ACPI_ERROR_ONLY(gpe_number =
+ gpe_block->block_base_number +
+ gpe_index);
+ gpe_event_info->flags |= ACPI_GPE_INITIALIZED;
/*
* Ignore GPEs that have no corresponding _Lxx/_Exx method
@@ -484,10 +453,6 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
continue;
}
- event_status = 0;
- (void)acpi_hw_get_gpe_status(gpe_event_info,
- &event_status);
-
status = acpi_ev_add_gpe_reference(gpe_event_info);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status,
@@ -498,12 +463,9 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
gpe_event_info->flags |= ACPI_GPE_AUTO_ENABLED;
- if (event_status & ACPI_EVENT_FLAG_STATUS_SET) {
- ACPI_INFO(("GPE 0x%02X active on init",
- gpe_number));
- (void)acpi_ev_gpe_dispatch(gpe_block->node,
- gpe_event_info,
- gpe_number);
+ if (is_polling_needed &&
+ ACPI_GPE_IS_POLLING_NEEDED(gpe_event_info)) {
+ *is_polling_needed = TRUE;
}
gpe_enabled_count++;