can: kvaser_usb: Refactor kvaser_usb_get_endpoints()

Replace parameters with struct kvaser_usb pointer. Rename the function
from kvaser_usb_get_endpoints() to kvaser_usb_setup_endpoints().

Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 9e0e2c8..cb3a2d6 100644 (file)
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -1914,27 +1914,25 @@ static int kvaser_usb_init_one(struct usb_interface *intf,
        return 0;
 }
 
-static int kvaser_usb_get_endpoints(const struct usb_interface *intf,
-                                   struct usb_endpoint_descriptor **in,
-                                   struct usb_endpoint_descriptor **out)
+static int kvaser_usb_setup_endpoints(struct kvaser_usb *dev)
 {
        const struct usb_host_interface *iface_desc;
        struct usb_endpoint_descriptor *endpoint;
        int i;
 
-       iface_desc = &intf->altsetting[0];
+       iface_desc = &dev->intf->altsetting[0];
 
        for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
                endpoint = &iface_desc->endpoint[i].desc;
 
-               if (!*in && usb_endpoint_is_bulk_in(endpoint))
-                       *in = endpoint;
+               if (!dev->bulk_in && usb_endpoint_is_bulk_in(endpoint))
+                       dev->bulk_in = endpoint;
 
-               if (!*out && usb_endpoint_is_bulk_out(endpoint))
-                       *out = endpoint;
+               if (!dev->bulk_out && usb_endpoint_is_bulk_out(endpoint))
+                       dev->bulk_out = endpoint;
 
                /* use first bulk endpoint for in and out */
-               if (*in && *out)
+               if (dev->bulk_in && dev->bulk_out)
                        return 0;
        }
 
@@ -1965,7 +1963,7 @@ static int kvaser_usb_probe(struct usb_interface *intf,
 
        dev->intf = intf;
 
-       err = kvaser_usb_get_endpoints(intf, &dev->bulk_in, &dev->bulk_out);
+       err = kvaser_usb_setup_endpoints(dev);
        if (err) {
                dev_err(&intf->dev, "Cannot get usb endpoint(s)");
                return err;