linux-kernel - [PATCH] staging: rtl8712: Replace a bit shift by a use of BIT.

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Date:   Wed, 22 Mar 2017 08:14:39 +0530
From:   Arushi Singhal <arushisinghal19971997@...il.com>
To:     Larry.Finger@...inger.net
Cc:     Florian Schilhabel <florian.c.schilhabel@...glemail.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        outreachy-kernel@...glegroups.com
Subject: [PATCH] staging: rtl8712: Replace a bit shift by a use of BIT.

This patch replaces bit shifting on 1 with the BIT(x) macro.
This was done with coccinelle:
@@
constant c;
@@

-1 << c
+BIT(c)

Signed-off-by: Arushi Singhal <arushisinghal19971997@...il.com>
---
 drivers/staging/rtl8712/rtl8712_xmit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8712/rtl8712_xmit.c b/drivers/staging/rtl8712/rtl8712_xmit.c
index 7fe626583c8a..a17531b30c1d 100644
--- a/drivers/staging/rtl8712/rtl8712_xmit.c
+++ b/drivers/staging/rtl8712/rtl8712_xmit.c
@@ -503,7 +503,7 @@ static void update_txdesc(struct xmit_frame *pxmitframe, uint *pmem, int sz)
 			switch (pattrib->encrypt) {	/*SEC_TYPE*/
 			case _WEP40_:
 			case _WEP104_:
-				ptxdesc->txdw1 |= cpu_to_le32((0x01 << 22) &
+				ptxdesc->txdw1 |= cpu_to_le32((BIT(22)) &
 						  0x00c00000);
 				/*KEY_ID when WEP is used;*/
 				ptxdesc->txdw1 |= cpu_to_le32((psecuritypriv->
-- 
2.11.0