diff options
Diffstat (limited to 'drivers/acpi/acpica/evgpeblk.c')
-rw-r--r-- | drivers/acpi/acpica/evgpeblk.c | 70 |
1 files changed, 13 insertions, 57 deletions
diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index 341a38ce8aa6..85445fb5844e 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -439,8 +439,6 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device, { acpi_status status; struct acpi_gpe_event_info *gpe_event_info; - struct acpi_gpe_walk_info walk_info; - u32 wake_gpe_count; u32 gpe_enabled_count; u32 gpe_index; u32 gpe_number; @@ -456,37 +454,9 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device, } /* - * Runtime option: Should wake GPEs be enabled at runtime? The default - * is no, they should only be enabled just as the machine goes to sleep. + * Enable all GPEs that have a corresponding method. Any other GPEs + * within this block must be enabled via the acpi_enable_gpe interface. */ - if (acpi_gbl_leave_wake_gpes_disabled) { - /* - * Differentiate runtime vs wake GPEs, via the _PRW control methods. - * Each GPE that has one or more _PRWs that reference it is by - * definition a wake GPE and will not be enabled while the machine - * is running. - */ - walk_info.gpe_block = gpe_block; - walk_info.gpe_device = gpe_device; - walk_info.execute_by_owner_id = FALSE; - - status = - acpi_ns_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, ACPI_NS_WALK_UNLOCK, - acpi_ev_match_prw_and_gpe, NULL, - &walk_info, NULL); - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "While executing _PRW methods")); - } - } - - /* - * Enable all GPEs that have a corresponding method and are not - * capable of generating wakeups. Any other GPEs within this block - * must be enabled via the acpi_enable_gpe interface. - */ - wake_gpe_count = 0; gpe_enabled_count = 0; if (gpe_device == acpi_gbl_fadt_gpe_device) { @@ -502,35 +472,21 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device, gpe_event_info = &gpe_block->event_info[gpe_index]; gpe_number = gpe_index + gpe_block->block_base_number; - /* - * If the GPE has already been enabled for runtime - * signaling, make sure it remains enabled, but do not - * increment its reference counter. - */ - if (gpe_event_info->runtime_count) { - acpi_set_gpe(gpe_device, gpe_number, - ACPI_GPE_ENABLE); - gpe_enabled_count++; - continue; - } - - if (gpe_event_info->flags & ACPI_GPE_CAN_WAKE) { - wake_gpe_count++; - if (acpi_gbl_leave_wake_gpes_disabled) { - continue; - } - } - /* Ignore GPEs that have no corresponding _Lxx/_Exx method */ if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_METHOD)) { continue; } - /* Enable this GPE */ + /* + * If the GPE has already been enabled for runtime + * signaling, make sure it remains enabled, but do not + * increment its reference counter. + */ + status = gpe_event_info->runtime_count ? + acpi_ev_enable_gpe(gpe_event_info) : + acpi_enable_gpe(gpe_device, gpe_number); - status = acpi_enable_gpe(gpe_device, gpe_number, - ACPI_GPE_TYPE_RUNTIME); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not enable GPE 0x%02X", @@ -542,10 +498,10 @@ acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device, } } - if (gpe_enabled_count || wake_gpe_count) { + if (gpe_enabled_count) { ACPI_DEBUG_PRINT((ACPI_DB_INIT, - "Enabled %u Runtime GPEs, added %u Wake GPEs in this block\n", - gpe_enabled_count, wake_gpe_count)); + "Enabled %u GPEs in this block\n", + gpe_enabled_count)); } return_ACPI_STATUS(AE_OK); |