diff options
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/8250/8250_of.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/8250/8250_of.c b/drivers/tty/serial/8250/8250_of.c index 863e86b9a424..af8beefe9b5c 100644 --- a/drivers/tty/serial/8250/8250_of.c +++ b/drivers/tty/serial/8250/8250_of.c @@ -144,6 +144,10 @@ static int of_platform_serial_setup(struct platform_device *ofdev, port->line = ret; port->irq = irq_of_parse_and_map(np, 0); + if (!port->irq) { + ret = -EPROBE_DEFER; + goto err_unprepare; + } info->rst = devm_reset_control_get_optional_shared(&ofdev->dev, NULL); if (IS_ERR(info->rst)) { |