From: Arushi Singhal <arushisinghal19971997@gmail.com>
To: gregkh@linuxfoundation.org
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
outreachy-kernel@googlegroups.com
Subject: [PATCH] staging: rts5208: Replace a bit shift by a use of BIT.
Date: Wed, 22 Mar 2017 08:04:47 +0530 [thread overview]
Message-ID: <20170322023447.GA10464@arushi-HP-Pavilion-Notebook> (raw)
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>
---
drivers/staging/rts5208/rtsx_chip.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rts5208/rtsx_chip.c b/drivers/staging/rts5208/rtsx_chip.c
index 3511157a2c78..06a61800b71a 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;
}
--
2.11.0
next reply other threads:[~2017-03-22 2:34 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-22 2:34 Arushi Singhal [this message]
2017-03-22 10:00 ` Dan Carpenter
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