ret = sysfs_create_group(&sfp->class_dev->kobj,&cip->grp);
        if (ret) {
-               printk(KERN_WARNING "%s: sysfs_create_group error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "sysfs_create_group error: %d",
+                          ret);
                return;
        }
        cip->created_ok = !0;
        sfp->debugifc = dip;
        ret = device_create_file(sfp->class_dev,&dip->attr_debugcmd);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                dip->debugcmd_created_ok = !0;
        }
        ret = device_create_file(sfp->class_dev,&dip->attr_debuginfo);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                dip->debuginfo_created_ok = !0;
        }
        class_dev->driver_data = sfp;
        ret = device_register(class_dev);
        if (ret) {
-               printk(KERN_ERR "%s: device_register failed\n",
-                      __FUNCTION__);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_register failed");
                kfree(class_dev);
                return;
        }
        ret = device_create_file(sfp->class_dev,
                                       &sfp->attr_v4l_minor_number);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                sfp->v4l_minor_number_created_ok = !0;
        }
        ret = device_create_file(sfp->class_dev,
                                       &sfp->attr_v4l_radio_minor_number);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                sfp->v4l_radio_minor_number_created_ok = !0;
        }
        sfp->attr_unit_number.store = NULL;
        ret = device_create_file(sfp->class_dev,&sfp->attr_unit_number);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                sfp->unit_number_created_ok = !0;
        }
        ret = device_create_file(sfp->class_dev,
                                       &sfp->attr_bus_info);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                sfp->bus_info_created_ok = !0;
        }
        ret = device_create_file(sfp->class_dev,
                                 &sfp->attr_hdw_name);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                sfp->hdw_name_created_ok = !0;
        }
        ret = device_create_file(sfp->class_dev,
                                 &sfp->attr_hdw_desc);
        if (ret < 0) {
-               printk(KERN_WARNING "%s: device_create_file error: %d\n",
-                      __FUNCTION__, ret);
+               pvr2_trace(PVR2_TRACE_ERROR_LEGS,
+                          "device_create_file error: %d",
+                          ret);
        } else {
                sfp->hdw_desc_created_ok = !0;
        }