Merge branch 'acpica'

* acpica: (21 commits)
  ACPICA: Update version to 20180313
  ACPICA: Cleanup/simplify module-level code support
  ACPICA: Events: add a return on failure from acpi_hw_register_read
  ACPICA: adding SPDX headers
  ACPICA: Rename a global for clarity, no functional change
  ACPICA: macros: fix ACPI_ERROR_NAMESPACE macro
  ACPICA: Change a compile-time option to a runtime option
  ACPICA: Remove calling of _STA from acpi_get_object_info()
  ACPICA: AML Debug Object: Don't ignore output of zero-length strings
  ACPICA: Fix memory leak on unusual memory leak
  ACPICA: Events: Dispatch GPEs after enabling for the first time
  ACPICA: Events: Add parallel GPE handling support to fix potential redundant _Exx evaluations
  ACPICA: Events: Stop unconditionally clearing ACPI IRQs during suspend/resume
  ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
  ACPICA: Update version to 20180209
  ACPICA: Add option to disable Package object name resolution errors
  ACPICA: Integrate package handling with module-level code
  ACPICA: Revert "Fix for implicit result conversion for the To____ functions"
  ACPICA: Update for some debug output. No functional change
  ACPICA: Update error message, no functional change
  ...

1 files changed, 12 insertions, 37 deletions

diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c
index 9b3c01bf1438..febc332b00ac 100644
--- a/drivers/acpi/acpica/evxface.c
+++ b/drivers/acpi/acpica/evxface.c
@@ -1,45 +1,11 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
 /******************************************************************************
  *
  * Module Name: evxface - External interfaces for ACPI events
  *
- *****************************************************************************/
-
-/*
  * 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.
- */
+ *
+ *****************************************************************************/
 
 #define EXPORT_ACPI_INTERFACES
 
@@ -1006,6 +972,15 @@ acpi_remove_gpe_handler(acpi_handle gpe_device,
 	     (ACPI_GPE_DISPATCH_TYPE(handler->original_flags) ==
 	      ACPI_GPE_DISPATCH_NOTIFY)) && handler->originally_enabled) {
 		(void)acpi_ev_add_gpe_reference(gpe_event_info);
+		if (ACPI_GPE_IS_POLLING_NEEDED(gpe_event_info)) {
+
+			/* Poll edge triggered GPEs to handle existing events */
+
+			acpi_os_release_lock(acpi_gbl_gpe_lock, flags);
+			(void)acpi_ev_detect_gpe(gpe_device, gpe_event_info,
+						 gpe_number);
+			flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
+		}
 	}
 
 	acpi_os_release_lock(acpi_gbl_gpe_lock, flags);