linux-kernel - [PATCH] usb: gadget: udc: change comparison to bitshift when dealing with a mask

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Message-Id: <20180206085040.3018-1-wsa+renesas@sang-engineering.com>
Date:   Tue,  6 Feb 2018 09:50:40 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-kernel@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org
Subject: [PATCH] usb: gadget: udc: change comparison to bitshift when dealing with a mask

Due to a typo, the mask was destroyed by a comparison instead of a bit
shift.

Reported-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
Only build tested.

 drivers/usb/gadget/udc/goku_udc.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/udc/goku_udc.h b/drivers/usb/gadget/udc/goku_udc.h
index 26601bf4e7a935..70023d40107997 100644
--- a/drivers/usb/gadget/udc/goku_udc.h
+++ b/drivers/usb/gadget/udc/goku_udc.h
@@ -25,7 +25,7 @@ struct goku_udc_regs {
 #	define INT_EP1DATASET		0x00040
 #	define INT_EP2DATASET		0x00080
 #	define INT_EP3DATASET		0x00100
-#define INT_EPnNAK(n)		(0x00100 < (n))		/* 0 < n < 4 */
+#define INT_EPnNAK(n)		(0x00100 << (n))	/* 0 < n < 4 */
 #	define INT_EP1NAK		0x00200
 #	define INT_EP2NAK		0x00400
 #	define INT_EP3NAK		0x00800
-- 
2.11.0