USB: serial: pl2303: 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>

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index ca69eb42071bcb1ed5d01706698e2289d5757b03..60840004568a4d434023c81eaf61de151f9df10c 100644 (file)
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -221,17 +221,9 @@ static int pl2303_probe(struct usb_serial *serial,
 static int pl2303_startup(struct usb_serial *serial)
 {
        struct pl2303_serial_private *spriv;
-       unsigned char num_ports = serial->num_ports;
        enum pl2303_type type = TYPE_01;
        unsigned char *buf;
 
-       if (serial->num_bulk_in < num_ports ||
-                       serial->num_bulk_out < num_ports ||
-                       serial->num_interrupt_in < num_ports) {
-               dev_err(&serial->interface->dev, "missing endpoints\n");
-               return -ENODEV;
-       }
-
        spriv = kzalloc(sizeof(*spriv), GFP_KERNEL);
        if (!spriv)
                return -ENOMEM;
@@ -939,6 +931,9 @@ static struct usb_serial_driver pl2303_device = {
        },
        .id_table =             id_table,
        .num_ports =            1,
+       .num_bulk_in =          1,
+       .num_bulk_out =         1,
+       .num_interrupt_in =     1,
        .bulk_in_size =         256,
        .bulk_out_size =        256,
        .open =                 pl2303_open,