USB: serial: symbolserial: simplify endpoint check
Simplify the endpoint sanity check by letting core verify that the required endpoints are present. Signed-off-by: Johan Hovold <johan@kernel.org>
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@ -147,16 +147,6 @@ static void symbol_unthrottle(struct tty_struct *tty)
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}
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}
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static int symbol_startup(struct usb_serial *serial)
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{
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if (!serial->num_interrupt_in) {
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dev_err(&serial->dev->dev, "no interrupt-in endpoint\n");
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return -ENODEV;
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}
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return 0;
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}
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static int symbol_port_probe(struct usb_serial_port *port)
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{
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struct symbol_private *priv;
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@ -188,7 +178,7 @@ static struct usb_serial_driver symbol_device = {
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},
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.id_table = id_table,
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.num_ports = 1,
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.attach = symbol_startup,
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.num_interrupt_in = 1,
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.port_probe = symbol_port_probe,
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.port_remove = symbol_port_remove,
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.open = symbol_open,
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