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USB: serial: symbolserial: simplify endpoint check

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

Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2017-03-02 12:51:33 +01:00
parent bdd1544360
commit e2cd017f1b
1 changed files with 1 additions and 11 deletions
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12
drivers/usb/serial/symbolserial.c
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@ -147,16 +147,6 @@ static void symbol_unthrottle(struct tty_struct *tty)
}
}
static int symbol_startup(struct usb_serial *serial)
{
if (!serial->num_interrupt_in) {
dev_err(&serial->dev->dev, "no interrupt-in endpoint\n");
return -ENODEV;
}
return 0;
}
static int symbol_port_probe(struct usb_serial_port *port)
{
struct symbol_private *priv;
@ -188,7 +178,7 @@ static struct usb_serial_driver symbol_device = {
},
.id_table = id_table,
.num_ports = 1,
.attach = symbol_startup,
.num_interrupt_in = 1,
.port_probe = symbol_port_probe,
.port_remove = symbol_port_remove,
.open = symbol_open,