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Commit 6538808c authored by Johan Hovold's avatar Johan Hovold
Browse files

USB: serial: relax generic driver bulk-endpoint requirement 



Relax the generic driver bulk-endpoint requirement. The driver handles
devices without bulk-out endpoints just fine these days.

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent a794499b

drivers/usb/serial/generic.c

+4 −2
Original line number Diff line number Diff line
@@ -52,10 +52,12 @@ static int usb_serial_generic_calc_num_ports(struct usb_serial *serial, 
					struct usb_serial_endpoints *epds)

{

	struct device *dev = &serial->interface->dev;

	int num_ports = epds->num_bulk_out;

	int num_ports;



	num_ports = max(epds->num_bulk_in, epds->num_bulk_out);



	if (num_ports == 0) {

		dev_err(dev, "Generic device with no bulk out, not allowed.\n");

		dev_err(dev, "device has no bulk endpoints\n");

		return -ENODEV;

	}