[PATCH] tty: implement a rx led trigger
From: robin.murphy@arm.com (Robin Murphy)
Date: 2018-05-03 12:33:14
Also in:
linux-serial, lkml
On 03/05/18 11:04, Uwe Kleine-K?nig wrote: [...]
quoted hunk ↗ jump to hunk
@@ -157,6 +158,18 @@ struct device *tty_port_register_device_attr_serdev(struct tty_port *port, tty_port_link_device(port, driver, index); + port->led_trigger_rx_name = kasprintf(GFP_KERNEL, "%s%d-rx", + driver->name, index); + if (!port->led_trigger_rx_name) { + pr_err("Failed to allocate trigger name for %s%d\n", + driver->name, index); + goto skip_trigger;
Hmm, isn't that a rather awkward way to spell "else"? ;) Robin.
+ }
+
+ led_trigger_register_simple(port->led_trigger_rx_name,
+ &port->led_trigger_rx);
+
+skip_trigger:
dev = serdev_tty_port_register(port, device, driver, index);
if (PTR_ERR(dev) != -ENODEV) {
/* Skip creating cdev if we registered a serdev device */