diff options
Diffstat (limited to 'drivers/acpi/acpica/evxfgpe.c')
| -rw-r--r-- | drivers/acpi/acpica/evxfgpe.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index 17cfef721d00..d7a3b2775505 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -235,11 +235,13 @@ acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action) case ACPI_GPE_ENABLE: status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE); + gpe_event_info->disable_for_dispatch = FALSE; break; case ACPI_GPE_DISABLE: status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_DISABLE); + gpe_event_info->disable_for_dispatch = TRUE; break; default: @@ -257,6 +259,47 @@ ACPI_EXPORT_SYMBOL(acpi_set_gpe) /******************************************************************************* * + * FUNCTION: acpi_mask_gpe + * + * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 + * gpe_number - GPE level within the GPE block + * is_masked - Whether the GPE is masked or not + * + * RETURN: Status + * + * DESCRIPTION: Unconditionally mask/unmask the an individual GPE, ex., to + * prevent a GPE flooding. + * + ******************************************************************************/ +acpi_status acpi_mask_gpe(acpi_handle gpe_device, u32 gpe_number, u8 is_masked) +{ + struct acpi_gpe_event_info *gpe_event_info; + acpi_status status; + acpi_cpu_flags flags; + + ACPI_FUNCTION_TRACE(acpi_mask_gpe); + + flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); + + /* Ensure that we have a valid GPE number */ + + gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); + if (!gpe_event_info) { + status = AE_BAD_PARAMETER; + goto unlock_and_exit; + } + + status = acpi_ev_mask_gpe(gpe_event_info, is_masked); + +unlock_and_exit: + acpi_os_release_lock(acpi_gbl_gpe_lock, flags); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_mask_gpe) + +/******************************************************************************* + * * FUNCTION: acpi_mark_gpe_for_wake * * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 |