disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/acpi/acpica/evxfgpe.c
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@@ -3,7 +3,7 @@
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  *
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  * Module Name: evxfgpe - External Interfaces for General Purpose Events (GPEs)
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  *
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- * Copyright (C) 2000 - 2018, Intel Corp.
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+ * Copyright (C) 2000 - 2020, Intel Corp.
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  *
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  *****************************************************************************/
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@@ -644,17 +644,17 @@
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  * PARAMETERS:  gpe_device          - Parent GPE Device. NULL for GPE0/GPE1
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  *              gpe_number          - GPE level within the GPE block
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  *
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- * RETURN:      None
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+ * RETURN:      INTERRUPT_HANDLED or INTERRUPT_NOT_HANDLED
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  *
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  * DESCRIPTION: Detect and dispatch a General Purpose Event to either a function
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  *              (e.g. EC) or method (e.g. _Lxx/_Exx) handler.
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  *
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  ******************************************************************************/
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-void acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number)
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+u32 acpi_dispatch_gpe(acpi_handle gpe_device, u32 gpe_number)
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 {
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 	ACPI_FUNCTION_TRACE(acpi_dispatch_gpe);
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-	acpi_ev_detect_gpe(gpe_device, NULL, gpe_number);
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+	return acpi_ev_detect_gpe(gpe_device, NULL, gpe_number);
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 }
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 ACPI_EXPORT_SYMBOL(acpi_dispatch_gpe)
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@@ -669,9 +669,9 @@
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  *
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  * RETURN:      Status
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  *
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- * DESCRIPTION: Clear and conditionally reenable a GPE. This completes the GPE
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+ * DESCRIPTION: Clear and conditionally re-enable a GPE. This completes the GPE
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  *              processing. Intended for use by asynchronous host-installed
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- *              GPE handlers. The GPE is only reenabled if the enable_for_run bit
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+ *              GPE handlers. The GPE is only re-enabled if the enable_for_run bit
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  *              is set in the GPE info.
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  *
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  ******************************************************************************/
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@@ -795,6 +795,45 @@
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 ACPI_EXPORT_SYMBOL(acpi_enable_all_wakeup_gpes)
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+/******************************************************************************
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+ *
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+ * FUNCTION:    acpi_any_gpe_status_set
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+ *
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+ * PARAMETERS:  gpe_skip_number      - Number of the GPE to skip
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+ *
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+ * RETURN:      Whether or not the status bit is set for any GPE
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+ *
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+ * DESCRIPTION: Check the status bits of all enabled GPEs, except for the one
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+ *              represented by the "skip" argument, and return TRUE if any of
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+ *              them is set or FALSE otherwise.
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+ *
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+ ******************************************************************************/
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+u32 acpi_any_gpe_status_set(u32 gpe_skip_number)
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+{
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+	acpi_status status;
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+	acpi_handle gpe_device;
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+	u8 ret;
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+
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+	ACPI_FUNCTION_TRACE(acpi_any_gpe_status_set);
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+
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+	status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
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+	if (ACPI_FAILURE(status)) {
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+		return (FALSE);
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+	}
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+
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+	status = acpi_get_gpe_device(gpe_skip_number, &gpe_device);
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+	if (ACPI_FAILURE(status)) {
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+		gpe_device = NULL;
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+	}
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+
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+	ret = acpi_hw_check_all_gpes(gpe_device, gpe_skip_number);
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+	(void)acpi_ut_release_mutex(ACPI_MTX_EVENTS);
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+
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+	return (ret);
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+}
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+
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+ACPI_EXPORT_SYMBOL(acpi_any_gpe_status_set)
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+
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 /*******************************************************************************
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  *
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  * FUNCTION:    acpi_install_gpe_block