[PATCH 6/6] usb: gadget: remove unnecessary AND operation when get ep maxp
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2021-08-12 03:34:05
Also in:
linux-arm-kernel, linux-mediatek, linux-usb, lkml
Subsystem:
the rest, usb subsystem · Maintainers:
Linus Torvalds, Greg Kroah-Hartman
usb_endpoint_maxp() already returns actual max packet size, no need AND 0x7ff. Signed-off-by: Chunfeng Yun <chunfeng.yun@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