From: Arushi Singhal <arushisinghal19971997@gmail.com>
Date: Wed, 22 Mar 2017 13:17:57 +0000 (+0530)
Subject: staging: rts5208: Replace a bit shift by a use of BIT.
X-Git-Tag: v4.12-rc1~84^2~365
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=4f8f316be6bace82139e321e11674949ce446454;p=linux.git

staging: rts5208: 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@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c
index 3511157a2c78..7f4107bffe31 100644
--- a/drivers/staging/rts5208/rtsx_chip.c
+++ b/drivers/staging/rts5208/rtsx_chip.c
@@ -1490,7 +1490,7 @@ int rtsx_write_register(struct rtsx_chip *chip, u16 addr, u8 mask, u8 data)
 
 	for (i = 0; i < MAX_RW_REG_CNT; i++) {
 		val = rtsx_readl(chip, RTSX_HAIMR);
-		if ((val & (1 << 31)) == 0) {
+		if ((val & BIT(31)) == 0) {
 			if (data != (u8)val) {
 				rtsx_trace(chip);
 				return STATUS_FAIL;
@@ -1518,7 +1518,7 @@ int rtsx_read_register(struct rtsx_chip *chip, u16 addr, u8 *data)
 
 	for (i = 0; i < MAX_RW_REG_CNT; i++) {
 		val = rtsx_readl(chip, RTSX_HAIMR);
-		if ((val & (1 << 31)) == 0)
+		if ((val & BIT(31)) == 0)
 			break;
 	}