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>

diff --git a/include/linux/libps2.h b/include/linux/libps2.h
index 04a5750..646b581 100644 (file)
--- 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;