diff options
-rw-r--r-- | sys/dev/acpica/acpi_ec.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/sys/dev/acpica/acpi_ec.c b/sys/dev/acpica/acpi_ec.c index d099e01..8c7b2b9 100644 --- a/sys/dev/acpica/acpi_ec.c +++ b/sys/dev/acpica/acpi_ec.c @@ -787,6 +787,7 @@ EcGpeHandler(void *Context) struct acpi_ec_softc *sc = Context; ACPI_STATUS Status; EC_STATUS EcStatus; + int query_pend; KASSERT(Context != NULL, ("EcGpeHandler called with NULL")); @@ -821,6 +822,7 @@ EcGpeHandler(void *Context) * it along to any potential waiters as it may be an IBE/OBF event. * If it is set, queue a query handler. */ + query_pend = FALSE; if ((EcStatus & EC_EVENT_SCI) == 0) { CTR1(KTR_ACPI, "ec event was IBE/OBF, status %#x", EcStatus); sc->ec_csrvalue = EcStatus; @@ -832,12 +834,19 @@ EcGpeHandler(void *Context) Context); if (ACPI_SUCCESS(Status)) { sc->ec_sci_pend = TRUE; - } else { + query_pend = TRUE; + } else printf("Queuing GPE query handler failed.\n"); - Status = AcpiEnableGpe(sc->ec_gpehandle, sc->ec_gpebit, ACPI_ISR); - if (ACPI_FAILURE(Status)) - printf("EcGpeHandler: AcpiEnableEvent failed\n"); - } + } + + /* + * If we didn't queue a query handler, which will eventually re-enable + * the GPE, re-enable it right now so we can get more events. + */ + if (!query_pend) { + Status = AcpiEnableGpe(sc->ec_gpehandle, sc->ec_gpebit, ACPI_ISR); + if (ACPI_FAILURE(Status)) + printf("EcGpeHandler: AcpiEnableGpe failed\n"); } EcUnlock(sc); |