ret = spi_sync(spi, &message);
        if (ret)
-               pr_err("spi_write_then_read failed\n");
+               pr_err("spi_sync failed\n");
 
        return ret;
 }
                                                              dvb_spi,
                                                              "cxd2880_ts_read");
                if (IS_ERR(dvb_spi->cxd2880_ts_read_thread)) {
-                       pr_err("kthread_run failed/\n");
+                       pr_err("kthread_run failed\n");
                        kfree(dvb_spi->ts_buf);
                        dvb_spi->ts_buf = NULL;
                        memset(&dvb_spi->filter_config, 0,
                 * in dvb_spi->all_pid_feed_count.
                 */
                if (dvb_spi->all_pid_feed_count <= 0) {
-                       pr_err("PID %d not found.\n", feed->pid);
+                       pr_err("PID %d not found\n", feed->pid);
                        return -EINVAL;
                }
                dvb_spi->all_pid_feed_count--;
 
                ret_stop = kthread_stop(dvb_spi->cxd2880_ts_read_thread);
                if (ret_stop) {
-                       pr_err("'kthread_stop failed. (%d)\n", ret_stop);
+                       pr_err("kthread_stop failed. (%d)\n", ret_stop);
                        ret = ret_stop;
                }
                kfree(dvb_spi->ts_buf);
        struct cxd2880_config config;
 
        if (!spi) {
-               pr_err("invalid arg.\n");
+               pr_err("invalid arg\n");
                return -EINVAL;
        }
 
        ret = dvb_spi->demux.dmx.connect_frontend(&dvb_spi->demux.dmx,
                                                  &dvb_spi->dmx_fe);
        if (ret < 0) {
-               pr_err("dvb_register_frontend() failed\n");
+               pr_err("connect_frontend() failed\n");
                goto fail_fe_conn;
        }