Instead of printing errors after mxs_i2c_pio_wait_xfer_end returns with
an error code just print a debug message.
NAKs and timeouts can occur in this situation normally, so do not treat
them as errors.
Signed-off-by: Michael Thalmeier <michael.thalmeier@hale.at>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 
                ret = mxs_i2c_pio_wait_xfer_end(i2c);
                if (ret) {
-                       dev_err(i2c->dev,
+                       dev_dbg(i2c->dev,
                                "PIO: Failed to send SELECT command!\n");
                        goto cleanup;
                }
 
                ret = mxs_i2c_pio_wait_xfer_end(i2c);
                if (ret) {
-                       dev_err(i2c->dev,
+                       dev_dbg(i2c->dev,
                                "PIO: Failed to send READ command!\n");
                        goto cleanup;
                }
                        /* Wait for the end of the transfer. */
                        ret = mxs_i2c_pio_wait_xfer_end(i2c);
                        if (ret) {
-                               dev_err(i2c->dev,
+                               dev_dbg(i2c->dev,
                                        "PIO: Failed to finish WRITE cmd!\n");
                                break;
                        }