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path: root/drivers/acpi/acpica/evxfevnt.c
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Diffstat (limited to 'drivers/acpi/acpica/evxfevnt.c')
-rw-r--r--drivers/acpi/acpica/evxfevnt.c42
1 files changed, 2 insertions, 40 deletions
diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c
index 467fde961aef..b094cc0183d7 100644
--- a/drivers/acpi/acpica/evxfevnt.c
+++ b/drivers/acpi/acpica/evxfevnt.c
@@ -210,44 +210,6 @@ ACPI_EXPORT_SYMBOL(acpi_enable_event)
210 210
211/******************************************************************************* 211/*******************************************************************************
212 * 212 *
213 * FUNCTION: acpi_clear_and_enable_gpe
214 *
215 * PARAMETERS: gpe_event_info - GPE to enable
216 *
217 * RETURN: Status
218 *
219 * DESCRIPTION: Clear the given GPE from stale events and enable it.
220 *
221 ******************************************************************************/
222static acpi_status
223acpi_clear_and_enable_gpe(struct acpi_gpe_event_info *gpe_event_info)
224{
225 acpi_status status;
226
227 /*
228 * We will only allow a GPE to be enabled if it has either an
229 * associated method (_Lxx/_Exx) or a handler. Otherwise, the
230 * GPE will be immediately disabled by acpi_ev_gpe_dispatch the
231 * first time it fires.
232 */
233 if (!(gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK)) {
234 return_ACPI_STATUS(AE_NO_HANDLER);
235 }
236
237 /* Clear the GPE (of stale events) */
238 status = acpi_hw_clear_gpe(gpe_event_info);
239 if (ACPI_FAILURE(status)) {
240 return_ACPI_STATUS(status);
241 }
242
243 /* Enable the requested GPE */
244 status = acpi_hw_low_set_gpe(gpe_event_info, ACPI_GPE_ENABLE);
245
246 return_ACPI_STATUS(status);
247}
248
249/*******************************************************************************
250 *
251 * FUNCTION: acpi_set_gpe 213 * FUNCTION: acpi_set_gpe
252 * 214 *
253 * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1 215 * PARAMETERS: gpe_device - Parent GPE Device. NULL for GPE0/GPE1
@@ -287,7 +249,7 @@ acpi_status acpi_set_gpe(acpi_handle gpe_device, u32 gpe_number, u8 action)
287 249
288 switch (action) { 250 switch (action) {
289 case ACPI_GPE_ENABLE: 251 case ACPI_GPE_ENABLE:
290 status = acpi_clear_and_enable_gpe(gpe_event_info); 252 status = acpi_ev_enable_gpe(gpe_event_info);
291 break; 253 break;
292 254
293 case ACPI_GPE_DISABLE: 255 case ACPI_GPE_DISABLE:
@@ -414,7 +376,7 @@ acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number)
414 if (gpe_event_info->runtime_count == 1) { 376 if (gpe_event_info->runtime_count == 1) {
415 status = acpi_ev_update_gpe_enable_mask(gpe_event_info); 377 status = acpi_ev_update_gpe_enable_mask(gpe_event_info);
416 if (ACPI_SUCCESS(status)) { 378 if (ACPI_SUCCESS(status)) {
417 status = acpi_clear_and_enable_gpe(gpe_event_info); 379 status = acpi_ev_enable_gpe(gpe_event_info);
418 } 380 }
419 if (ACPI_FAILURE(status)) { 381 if (ACPI_FAILURE(status)) {
420 gpe_event_info->runtime_count--; 382 gpe_event_info->runtime_count--;