linux-kernel - [PATCH] staging: comedi: dt2801: Prefer using the BIT macro

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Message-ID: <20160111160428.GA8839@Karyakshetra>
Date:	Mon, 11 Jan 2016 21:34:28 +0530
From:	Bhaktipriya Shridhar <bhaktipriya96@...il.com>
To:	abbotti@....co.uk, hsweeten@...ionengravers.com,
	gregkh@...uxfoundation.org, mahfouz.saif.elyazal@...il.com,
	bhaktipriya96@...il.com
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: comedi: dt2801: Prefer using the BIT macro

As suggested by checkpatch.pl, this patch replaces bit shifting on 1 with the
BIT(x) macro.

Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>
---
 drivers/staging/comedi/drivers/dt2801.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c
index 80e38de..6c7b4d2 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -68,17 +68,17 @@ Configuration options:
 /* Command modifiers (only used with read/write), EXTTRIG can be
    used with some other commands.
 */
-#define DT_MOD_DMA     (1<<4)
-#define DT_MOD_CONT    (1<<5)
-#define DT_MOD_EXTCLK  (1<<6)
-#define DT_MOD_EXTTRIG (1<<7)
+#define DT_MOD_DMA     BIT(4)
+#define DT_MOD_CONT    BIT(5)
+#define DT_MOD_EXTCLK  BIT(6)
+#define DT_MOD_EXTTRIG BIT(7)

 /* Bits in status register */
-#define DT_S_DATA_OUT_READY   (1<<0)
-#define DT_S_DATA_IN_FULL     (1<<1)
-#define DT_S_READY            (1<<2)
-#define DT_S_COMMAND          (1<<3)
-#define DT_S_COMPOSITE_ERROR  (1<<7)
+#define DT_S_DATA_OUT_READY   BIT(0)
+#define DT_S_DATA_IN_FULL     BIT(1)
+#define DT_S_READY            BIT(2)
+#define DT_S_COMMAND          BIT(3)
+#define DT_S_COMPOSITE_ERROR  BIT(7)

 /* registers */
 #define DT2801_DATA		0
--
2.1.4