diff options
Diffstat (limited to 'drivers/acpi/acpi_memhotplug.c')
-rw-r--r-- | drivers/acpi/acpi_memhotplug.c | 67 |
1 files changed, 26 insertions, 41 deletions
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index e0a95ba72371..e49d327ccf4c 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -125,15 +125,14 @@ acpi_memory_get_device(acpi_handle handle, status = acpi_get_parent(handle, &phandle); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_get_parent\n")); + ACPI_EXCEPTION((AE_INFO, status, "Cannot find acpi parent")); return_VALUE(-EINVAL); } /* Get the parent device */ status = acpi_bus_get_device(phandle, &pdevice); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in acpi_bus_get_device\n")); + ACPI_EXCEPTION((AE_INFO, status, "Cannot get acpi bus device")); return_VALUE(-EINVAL); } @@ -143,7 +142,7 @@ acpi_memory_get_device(acpi_handle handle, */ status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_bus_add\n")); + ACPI_EXCEPTION((AE_INFO, status, "Cannot add acpi bus")); return_VALUE(-EINVAL); } @@ -188,8 +187,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) /* Get the range from the _CRS */ result = acpi_memory_get_device_resources(mem_device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "\nget_device_resources failed\n")); + ACPI_ERROR((AE_INFO, "get_device_resources failed")); mem_device->state = MEMORY_INVALID_STATE; return result; } @@ -200,7 +198,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) */ result = add_memory(mem_device->start_addr, mem_device->length); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "\nadd_memory failed\n")); + ACPI_ERROR((AE_INFO, "add_memory failed")); mem_device->state = MEMORY_INVALID_STATE; return result; } @@ -226,7 +224,7 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device) "_EJ0", &arg_list, NULL); /* Return on _EJ0 failure */ if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "_EJ0 failed.\n")); + ACPI_EXCEPTION((AE_INFO, status, "_EJ0 failed")); return_VALUE(-ENODEV); } @@ -256,16 +254,12 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device) * Note: Assume that this function returns zero on success */ result = remove_memory(start, len); - if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Hot-Remove failed.\n")); + if (result) return_VALUE(result); - } /* Power-off and eject the device */ result = acpi_memory_powerdown_device(mem_device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Device Power Down failed.\n")); /* Set the status of the device to invalid */ mem_device->state = MEMORY_INVALID_STATE; return result; @@ -292,15 +286,14 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "\nReceived DEVICE CHECK notification for device\n")); if (acpi_memory_get_device(handle, &mem_device)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in finding driver data\n")); + ACPI_ERROR((AE_INFO, "Cannot find driver data")); return_VOID; } if (!acpi_memory_check_device(mem_device)) { if (acpi_memory_enable_device(mem_device)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in acpi_memory_enable_device\n")); + ACPI_ERROR((AE_INFO, + "Cannot enable memory device")); } break; case ACPI_NOTIFY_EJECT_REQUEST: @@ -308,14 +301,12 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) "\nReceived EJECT REQUEST notification for device\n")); if (acpi_bus_get_device(handle, &device)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Device doesn't exist\n")); + ACPI_ERROR((AE_INFO, "Device doesn't exist")); break; } mem_device = acpi_driver_data(device); if (!mem_device) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Driver Data is NULL\n")); + ACPI_ERROR((AE_INFO, "Driver Data is NULL")); break; } @@ -326,8 +317,8 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) * with generic sysfs driver */ if (acpi_memory_disable_device(mem_device)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in acpi_memory_disable_device\n")); + ACPI_ERROR((AE_INFO, + "Disable memory device\n")); /* * TBD: Invoke acpi_bus_remove to cleanup data structures */ @@ -405,7 +396,7 @@ static acpi_status is_memory_device(acpi_handle handle) status = acpi_get_object_info(handle, &buffer); if (ACPI_FAILURE(status)) - return_ACPI_STATUS(AE_ERROR); + return_ACPI_STATUS(status); info = buffer.pointer; if (!(info->valid & ACPI_VALID_HID)) { @@ -431,18 +422,15 @@ acpi_memory_register_notify_handler(acpi_handle handle, ACPI_FUNCTION_TRACE("acpi_memory_register_notify_handler"); status = is_memory_device(handle); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)){ + ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device")); return_ACPI_STATUS(AE_OK); /* continue */ + } status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, acpi_memory_device_notify, NULL); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); - return_ACPI_STATUS(AE_OK); /* continue */ - } - - return_ACPI_STATUS(status); + /* continue */ + return_ACPI_STATUS(AE_OK); } static acpi_status @@ -454,19 +442,16 @@ acpi_memory_deregister_notify_handler(acpi_handle handle, ACPI_FUNCTION_TRACE("acpi_memory_deregister_notify_handler"); status = is_memory_device(handle); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)){ + ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device")); return_ACPI_STATUS(AE_OK); /* continue */ + } status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY, acpi_memory_device_notify); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); - return_ACPI_STATUS(AE_OK); /* continue */ - } - return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_OK); /* continue */ } static int __init acpi_memory_device_init(void) @@ -487,7 +472,7 @@ static int __init acpi_memory_device_init(void) NULL, NULL); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n")); + ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed")); acpi_bus_unregister_driver(&acpi_memory_device_driver); return_VALUE(-ENODEV); } @@ -511,7 +496,7 @@ static void __exit acpi_memory_device_exit(void) NULL, NULL); if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n")); + ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed")); acpi_bus_unregister_driver(&acpi_memory_device_driver); |