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Diffstat (limited to 'drivers/acpi/acpica/evxfgpe.c')
-rw-r--r--drivers/acpi/acpica/evxfgpe.c40
1 files changed, 36 insertions, 4 deletions
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c
index 710488ec59e9..f2de66bfd8a7 100644
--- a/drivers/acpi/acpica/evxfgpe.c
+++ b/drivers/acpi/acpica/evxfgpe.c
@@ -3,7 +3,7 @@
*
* Module Name: evxfgpe - External Interfaces for General Purpose Events (GPEs)
*
- * Copyright (C) 2000 - 2019, Intel Corp.
+ * Copyright (C) 2000 - 2020, Intel Corp.
*
*****************************************************************************/
@@ -644,17 +644,17 @@ ACPI_EXPORT_SYMBOL(acpi_get_gpe_status)
* PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
* gpe_number - GPE level within the GPE block
*
- * RETURN: None
+ * RETURN: INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
*
* DESCRIPTION: Detect and dispatch a General Purpose Event to either a function
* (e.g. EC) or method (e.g. _Lxx/_Exx) handler.
*
******************************************************************************/
-void acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number)
+u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number)
{
ACPI_FUNCTION_TRACE(acpi_dispatch_gpe);
- acpi_ev_detect_gpe(gpe_device, NULL, gpe_number);
+ return acpi_ev_detect_gpe(gpe_device, NULL, gpe_number);
}
ACPI_EXPORT_SYMBOL(acpi_dispatch_gpe)
@@ -795,6 +795,38 @@ acpi_status acpi_enable_all_wakeup_gpes(void)
ACPI_EXPORT_SYMBOL(acpi_enable_all_wakeup_gpes)
+/******************************************************************************
+ *
+ * FUNCTION: acpi_any_gpe_status_set
+ *
+ * PARAMETERS: None
+ *
+ * RETURN: Whether or not the status bit is set for any GPE
+ *
+ * DESCRIPTION: Check the status bits of all enabled GPEs and return TRUE if any
+ * of them is set or FALSE otherwise.
+ *
+ ******************************************************************************/
+u32 acpi_any_gpe_status_set(void)
+{
+ acpi_status status;
+ u8 ret;
+
+ ACPI_FUNCTION_TRACE(acpi_any_gpe_status_set);
+
+ status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
+ if (ACPI_FAILURE(status)) {
+ return (FALSE);
+ }
+
+ ret = acpi_hw_check_all_gpes();
+ (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
+
+ return (ret);
+}
+
+ACPI_EXPORT_SYMBOL(acpi_any_gpe_status_set)
+
/*******************************************************************************
*
* FUNCTION: acpi_install_gpe_block
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