From: Jaejoong Kim <climbbb.kim@gmail.com>
Date: Fri, 20 Oct 2017 07:29:14 +0000 (+0900)
Subject: usb: gadget: udc: gr: remove duplicate & operation
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7521d47960d6a7f3b5f9f26d4baf5f97e050d7ac;p=linux.git

usb: gadget: udc: gr: remove duplicate & operation

usb_endpoint_maxp() has an inline keyword and searches for bits[10:0]
by & operation with 0x7ff. So, we can remove the duplicate & operation
with 0x7ff.

Signed-off-by: Jaejoong Kim <climbbb.kim@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c
index 1f9941145746e..48117a539146d 100644
--- a/drivers/usb/gadget/udc/gr_udc.c
+++ b/drivers/usb/gadget/udc/gr_udc.c
@@ -1538,7 +1538,7 @@ static int gr_ep_enable(struct usb_ep *_ep,
 	 * Bits 10-0 set the max payload. 12-11 set the number of
 	 * additional transactions.
 	 */
-	max = 0x7ff & usb_endpoint_maxp(desc);
+	max = usb_endpoint_maxp(desc);
 	nt = usb_endpoint_maxp_mult(desc) - 1;
 	buffer_size = GR_BUFFER_SIZE(epctrl);
 	if (nt && (mode == 0 || mode == 2)) {