[PATCH 6/6] usb: gadget: remove unnecessary AND operation when get ep maxp

Chunfeng Yun chunfeng.yun at mediatek.com
Wed Aug 11 20:33:02 PDT 2021


usb_endpoint_maxp() already returns actual max packet size, no need
AND 0x7ff.

Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
---
 include/linux/usb/gadget.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h
index 75c7538e350a..f181c84310b6 100644
--- a/include/linux/usb/gadget.h
+++ b/include/linux/usb/gadget.h
@@ -491,7 +491,7 @@ extern char *usb_get_gadget_udc_name(void);
  */
 static inline size_t usb_ep_align(struct usb_ep *ep, size_t len)
 {
-	int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc) & 0x7ff;
+	int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc);
 
 	return round_up(len, max_packet_size);
 }
-- 
2.25.1


More information about the Linux-mediatek mailing list