diff options
Diffstat (limited to 'drivers/acpi/acpica/evxface.c')
| -rw-r--r-- | drivers/acpi/acpica/evxface.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index b40757955f9b..cc825023012a 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -142,7 +142,7 @@ acpi_install_fixed_event_handler(u32 event, if (ACPI_SUCCESS(status)) status = acpi_enable_event(event, 0); if (ACPI_FAILURE(status)) { - ACPI_WARNING((AE_INFO, "Could not enable fixed event %X", + ACPI_WARNING((AE_INFO, "Could not enable fixed event 0x%X", event)); /* Remove the handler */ @@ -203,7 +203,7 @@ acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler) if (ACPI_FAILURE(status)) { ACPI_WARNING((AE_INFO, - "Could not write to fixed event enable register %X", + "Could not write to fixed event enable register 0x%X", event)); } else { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Disabled fixed event %X\n", @@ -682,14 +682,13 @@ acpi_install_gpe_handler(acpi_handle gpe_device, /* Parameter validation */ - if ((!address) || (type > ACPI_GPE_XRUPT_TYPE_MASK)) { - status = AE_BAD_PARAMETER; - goto exit; + if ((!address) || (type & ~ACPI_GPE_XRUPT_TYPE_MASK)) { + return_ACPI_STATUS(AE_BAD_PARAMETER); } status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); if (ACPI_FAILURE(status)) { - goto exit; + return_ACPI_STATUS(status); } /* Ensure that we have a valid GPE number */ @@ -720,6 +719,13 @@ acpi_install_gpe_handler(acpi_handle gpe_device, handler->context = context; handler->method_node = gpe_event_info->dispatch.method_node; + /* Disable the GPE before installing the handler */ + + status = acpi_ev_disable_gpe(gpe_event_info); + if (ACPI_FAILURE (status)) { + goto unlock_and_exit; + } + /* Install the handler */ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); @@ -733,12 +739,8 @@ acpi_install_gpe_handler(acpi_handle gpe_device, acpi_os_release_lock(acpi_gbl_gpe_lock, flags); - unlock_and_exit: +unlock_and_exit: (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - exit: - if (ACPI_FAILURE(status)) - ACPI_EXCEPTION((AE_INFO, status, - "Installing notify handler failed")); return_ACPI_STATUS(status); } |