Let usb-serial core verify that the interrupt-in endpoint is present when binding the interface instead of the driver verifying this at every open.
Signed-off-by: Johan Hovold <[email protected]> --- drivers/usb/serial/metro-usb.c | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c index 4bb29e03dae4..a64940975ac6 100644 --- a/drivers/usb/serial/metro-usb.c +++ b/drivers/usb/serial/metro-usb.c @@ -160,13 +160,6 @@ static int metrousb_open(struct tty_struct *tty, struct usb_serial_port *port) unsigned long flags = 0; int result = 0; - /* Make sure the urb is initialized. */ - if (!port->interrupt_in_urb) { - dev_err(&port->dev, "%s - interrupt urb not initialized\n", - __func__); - return -ENODEV; - } - /* Set the private data information for the port. */ spin_lock_irqsave(&metro_priv->lock, flags); metro_priv->control_state = 0; @@ -342,6 +335,7 @@ static struct usb_serial_driver metrousb_device = { .description = "Metrologic USB to Serial", .id_table = id_table, .num_ports = 1, + .num_interrupt_in = 1, .open = metrousb_open, .close = metrousb_cleanup, .read_int_callback = metrousb_read_int_callback, -- 2.14.2 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
