diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index cf36d26ef002262aa43c37439d17d57069ed8780..f3f05fea8e1f8e0ad3a1ebd7461d2019835e1d47 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -1145,8 +1145,11 @@ static int mcp251x_can_probe(struct spi_device *spi) /* Here is OK to not lock the MCP, no one knows about it yet */ ret = mcp251x_hw_probe(spi); - if (ret) + if (ret) { + if (ret == -ENODEV) + dev_err(&spi->dev, "Cannot initialize MCP%x. Wrong wiring?\n", priv->model); goto error_probe; + } mcp251x_hw_sleep(spi); @@ -1156,6 +1159,7 @@ static int mcp251x_can_probe(struct spi_device *spi) devm_can_led_init(net); + netdev_info(net, "MCP%x successfully initialized.\n", priv->model); return 0; error_probe: @@ -1168,6 +1172,7 @@ static int mcp251x_can_probe(struct spi_device *spi) out_free: free_candev(net); + dev_err(&spi->dev, "Probe failed, err=%d\n", -ret); return ret; }