[PATCH] usb: gadget: udc-xilinx: Use USB API functions rather than constants

From: Chen Ni
Date: Wed Jun 18 2025 - 00:13:37 EST


Use the function usb_endpoint_num() and usb_endpoint_type()
rather than constants.

The Coccinelle semantic patch is as follows:

@@ struct usb_endpoint_descriptor *epd; @@

- (epd->bEndpointAddress & \(USB_ENDPOINT_NUMBER_MASK\|0x0f\))
+ usb_endpoint_num(epd)

@@ struct usb_endpoint_descriptor *epd; @@

- (epd->bmAttributes & \(USB_ENDPOINT_XFERTYPE_MASK\|3\))
+ usb_endpoint_type(epd)

Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx>
---
drivers/usb/gadget/udc/udc-xilinx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/udc/udc-xilinx.c b/drivers/usb/gadget/udc/udc-xilinx.c
index fa94cc065274..8d803a612bb1 100644
--- a/drivers/usb/gadget/udc/udc-xilinx.c
+++ b/drivers/usb/gadget/udc/udc-xilinx.c
@@ -813,10 +813,10 @@ static int __xudc_ep_enable(struct xusb_ep *ep,

ep->is_in = ((desc->bEndpointAddress & USB_DIR_IN) != 0);
/* Bit 3...0:endpoint number */
- ep->epnumber = (desc->bEndpointAddress & 0x0f);
+ ep->epnumber = usb_endpoint_num(desc);
ep->desc = desc;
ep->ep_usb.desc = desc;
- tmp = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
+ tmp = usb_endpoint_type(desc);
ep->ep_usb.maxpacket = maxpacket = le16_to_cpu(desc->wMaxPacketSize);

switch (tmp) {
--
2.25.1