diff options
Diffstat (limited to 'drivers/net/can/spi/mcp251x.c')
| -rw-r--r-- | drivers/net/can/spi/mcp251x.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 74a7dfece..f3f05fea8 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -961,7 +961,8 @@ static int mcp251x_open(struct net_device *net) goto open_unlock; } - priv->wq = create_freezable_workqueue("mcp251x_wq"); + priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, + 0); INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler); INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler); @@ -1144,8 +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); @@ -1155,6 +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: @@ -1167,6 +1172,7 @@ out_clk: out_free: free_candev(net); + dev_err(&spi->dev, "Probe failed, err=%d\n", -ret); return ret; } |