static void
 chsc_remove_chp_cmg_attr(struct channel_path *chp)
 {
-       sysfs_remove_bin_file(&chp->dev.kobj, &chp_measurement_chars_attr);
-       sysfs_remove_bin_file(&chp->dev.kobj, &chp_measurement_attr);
+       device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);
+       device_remove_bin_file(&chp->dev, &chp_measurement_attr);
 }
 
 static int
 {
        int ret;
 
-       ret = sysfs_create_bin_file(&chp->dev.kobj,
-                                   &chp_measurement_chars_attr);
+       ret = device_create_bin_file(&chp->dev, &chp_measurement_chars_attr);
        if (ret)
                return ret;
-       ret = sysfs_create_bin_file(&chp->dev.kobj, &chp_measurement_attr);
+       ret = device_create_bin_file(&chp->dev, &chp_measurement_attr);
        if (ret)
-               sysfs_remove_bin_file(&chp->dev.kobj,
-                                     &chp_measurement_chars_attr);
+               device_remove_bin_file(&chp->dev, &chp_measurement_chars_attr);
        return ret;
 }