diff options
Diffstat (limited to 'drivers/staging/comedi')
| -rw-r--r-- | drivers/staging/comedi/drivers.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c index 9d71b4d8540b..246080316c90 100644 --- a/drivers/staging/comedi/drivers.c +++ b/drivers/staging/comedi/drivers.c @@ -603,8 +603,12 @@ int comedi_auto_config(struct device *hardware_device, } dev = comedi_alloc_board_minor(hardware_device); - if (IS_ERR(dev)) + if (IS_ERR(dev)) { + dev_warn(hardware_device, + "driver '%s' could not create device.\n", + driver->driver_name); return PTR_ERR(dev); + } /* Note: comedi_alloc_board_minor() locked dev->mutex. */ dev->driver = driver; @@ -616,8 +620,20 @@ int comedi_auto_config(struct device *hardware_device, comedi_device_detach(dev); mutex_unlock(&dev->mutex); - if (ret < 0) + if (ret < 0) { + dev_warn(hardware_device, + "driver '%s' failed to auto-configure device.\n", + driver->driver_name); comedi_release_hardware_device(hardware_device); + } else { + /* + * class_dev should be set properly here + * after a successful auto config + */ + dev_info(dev->class_dev, + "driver '%s' has successfully auto-configured '%s'.\n", + driver->driver_name, dev->board_name); + } return ret; } EXPORT_SYMBOL_GPL(comedi_auto_config); |