USB: serial: f81534: clean up calc_num_ports
Clean up calc_num_ports with respect to handling older chips that lack
config data.
Signed-off-by: Johan Hovold <johan@kernel.org>
diff --git a/drivers/usb/serial/f81534.c b/drivers/usb/serial/f81534.c
index be106f4..365e3ac 100644
--- a/drivers/usb/serial/f81534.c
+++ b/drivers/usb/serial/f81534.c
@@ -681,12 +681,13 @@ static int f81534_calc_num_ports(struct usb_serial *serial,
++num_port;
}
- if (num_port)
- return num_port;
+ if (!num_port) {
+ dev_warn(&serial->interface->dev,
+ "no config found, assuming 4 ports\n");
+ num_port = 4; /* Nothing found, oldest version IC */
+ }
- dev_warn(&serial->interface->dev, "%s: Read Failed. default 4 ports\n",
- __func__);
- return 4; /* Nothing found, oldest version IC */
+ return num_port;
}
static void f81534_set_termios(struct tty_struct *tty,