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Commit 206ff831 authored by Johan Hovold's avatar Johan Hovold
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USB: serial: mos7720: simplify endpoint check 



Simplify the endpoint sanity check by letting core verify that the
required endpoints are present.

Note that the driver expects two bulk-endpoint pairs also for mcs7715
devices for which only one serial port is registered.

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 35194572

drivers/usb/serial/mos7720.c

+2 −5
Original line number Diff line number Diff line
@@ -1900,11 +1900,6 @@ static int mos7720_startup(struct usb_serial *serial) 
	u16 product;

	int ret_val;



	if (serial->num_bulk_in < 2 || serial->num_bulk_out < 2) {

		dev_err(&serial->interface->dev, "missing bulk endpoints\n");

		return -ENODEV;

	}



	product = le16_to_cpu(serial->dev->descriptor.idProduct);

	dev = serial->dev;
@@ -2039,6 +2034,8 @@ static struct usb_serial_driver moschip7720_2port_driver = { 
	},

	.description		= "Moschip 2 port adapter",

	.id_table		= id_table,

	.num_bulk_in		= 2,

	.num_bulk_out		= 2,

	.calc_num_ports		= mos77xx_calc_num_ports,

	.open			= mos7720_open,

	.close			= mos7720_close,