Input: libps2 - use BIT() for bitmask constants

Let's explicitly document bit numbers with BIT() macro.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

1 files changed, 6 insertions, 5 deletions

diff --git a/include/linux/libps2.h b/include/linux/libps2.h
index 04a5750f1e4e..646b581fea56 100644
--- a/include/linux/libps2.h
+++ b/include/linux/libps2.h
@@ -10,6 +10,7 @@
  * the Free Software Foundation.
  */
 
+#include <linux/bitops.h>
 #include <linux/mutex.h>
 #include <linux/types.h>
 #include <linux/wait.h>
@@ -23,11 +24,11 @@
 #define PS2_RET_NAK             0xfe
 #define PS2_RET_ERR             0xfc
 
-#define PS2_FLAG_ACK            1       /* Waiting for ACK/NAK */
-#define PS2_FLAG_CMD            2       /* Waiting for command to finish */
-#define PS2_FLAG_CMD1           4       /* Waiting for the first byte of command response */
-#define PS2_FLAG_WAITID         8       /* Command execiting is GET ID */
-#define PS2_FLAG_NAK            16      /* Last transmission was NAKed */
+#define PS2_FLAG_ACK            BIT(0)  /* Waiting for ACK/NAK */
+#define PS2_FLAG_CMD            BIT(1)  /* Waiting for a command to finish */
+#define PS2_FLAG_CMD1           BIT(2)  /* Waiting for the first byte of command response */
+#define PS2_FLAG_WAITID         BIT(3)  /* Command executing is GET ID */
+#define PS2_FLAG_NAK            BIT(4)  /* Last transmission was NAKed */
 
 struct ps2dev {
         struct serio *serio;