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can: kvaser_usb: Refactor kvaser_usb_get_endpoints()

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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>
This commit is contained in:
Jimmy Assarsson 2018-07-18 23:29:23 +02:00 committed by Marc Kleine-Budde
parent 0e30619fd6
commit 99ce1bc174
1 changed files with 8 additions and 10 deletions
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18
drivers/net/can/usb/kvaser_usb.c
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@ -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;