staging: comedi: ni_at_ao: using the BIT(x) macro

Fix the checkpatch.pl issue:
CHECK: Prefer using the BIT macro
replacing bit shifting on 1 with the BIT(x) macro.

Signed-off-by: Saber Rezvani <irsaber@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/ni_at_ao.c b/drivers/staging/comedi/drivers/ni_at_ao.c
index f27aa0e..158fa29 100644 (file)
--- a/drivers/staging/comedi/drivers/ni_at_ao.c
+++ b/drivers/staging/comedi/drivers/ni_at_ao.c
@@ -49,43 +49,43 @@
 #define ATAO_CFG2_REG          0x02
 #define ATAO_CFG2_CALLD_NOP    (0 << 14)
 #define ATAO_CFG2_CALLD(x)     ((((x) >> 3) + 1) << 14)
-#define ATAO_CFG2_FFRTEN       (1 << 13)
+#define ATAO_CFG2_FFRTEN       BIT(13)
 #define ATAO_CFG2_DACS(x)      (1 << (((x) / 2) + 8))
 #define ATAO_CFG2_LDAC(x)      (1 << (((x) / 2) + 3))
-#define ATAO_CFG2_PROMEN       (1 << 2)
-#define ATAO_CFG2_SCLK         (1 << 1)
-#define ATAO_CFG2_SDATA                (1 << 0)
+#define ATAO_CFG2_PROMEN       BIT(2)
+#define ATAO_CFG2_SCLK         BIT(1)
+#define ATAO_CFG2_SDATA                BIT(0)
 #define ATAO_CFG3_REG          0x04
-#define ATAO_CFG3_DMAMODE      (1 << 6)
-#define ATAO_CFG3_CLKOUT       (1 << 5)
-#define ATAO_CFG3_RCLKEN       (1 << 4)
-#define ATAO_CFG3_DOUTEN2      (1 << 3)
-#define ATAO_CFG3_DOUTEN1      (1 << 2)
-#define ATAO_CFG3_EN2_5V       (1 << 1)
-#define ATAO_CFG3_SCANEN       (1 << 0)
+#define ATAO_CFG3_DMAMODE      BIT(6)
+#define ATAO_CFG3_CLKOUT       BIT(5)
+#define ATAO_CFG3_RCLKEN       BIT(4)
+#define ATAO_CFG3_DOUTEN2      BIT(3)
+#define ATAO_CFG3_DOUTEN1      BIT(2)
+#define ATAO_CFG3_EN2_5V       BIT(1)
+#define ATAO_CFG3_SCANEN       BIT(0)
 #define ATAO_82C53_BASE                0x06
 #define ATAO_CFG1_REG          0x0a
-#define ATAO_CFG1_EXTINT2EN    (1 << 15)
-#define ATAO_CFG1_EXTINT1EN    (1 << 14)
-#define ATAO_CFG1_CNTINT2EN    (1 << 13)
-#define ATAO_CFG1_CNTINT1EN    (1 << 12)
-#define ATAO_CFG1_TCINTEN      (1 << 11)
-#define ATAO_CFG1_CNT1SRC      (1 << 10)
-#define ATAO_CFG1_CNT2SRC      (1 << 9)
-#define ATAO_CFG1_FIFOEN       (1 << 8)
-#define ATAO_CFG1_GRP2WR       (1 << 7)
-#define ATAO_CFG1_EXTUPDEN     (1 << 6)
-#define ATAO_CFG1_DMARQ                (1 << 5)
-#define ATAO_CFG1_DMAEN                (1 << 4)
+#define ATAO_CFG1_EXTINT2EN    BIT(15)
+#define ATAO_CFG1_EXTINT1EN    BIT(14)
+#define ATAO_CFG1_CNTINT2EN    BIT(13)
+#define ATAO_CFG1_CNTINT1EN    BIT(12)
+#define ATAO_CFG1_TCINTEN      BIT(11)
+#define ATAO_CFG1_CNT1SRC      BIT(10)
+#define ATAO_CFG1_CNT2SRC      BIT(9)
+#define ATAO_CFG1_FIFOEN       BIT(8)
+#define ATAO_CFG1_GRP2WR       BIT(7)
+#define ATAO_CFG1_EXTUPDEN     BIT(6)
+#define ATAO_CFG1_DMARQ                BIT(5)
+#define ATAO_CFG1_DMAEN                BIT(4)
 #define ATAO_CFG1_CH(x)                (((x) & 0xf) << 0)
 #define ATAO_STATUS_REG                0x0a
-#define ATAO_STATUS_FH         (1 << 6)
-#define ATAO_STATUS_FE         (1 << 5)
-#define ATAO_STATUS_FF         (1 << 4)
-#define ATAO_STATUS_INT2       (1 << 3)
-#define ATAO_STATUS_INT1       (1 << 2)
-#define ATAO_STATUS_TCINT      (1 << 1)
-#define ATAO_STATUS_PROMOUT    (1 << 0)
+#define ATAO_STATUS_FH         BIT(6)
+#define ATAO_STATUS_FE         BIT(5)
+#define ATAO_STATUS_FF         BIT(4)
+#define ATAO_STATUS_INT2       BIT(3)
+#define ATAO_STATUS_INT1       BIT(2)
+#define ATAO_STATUS_TCINT      BIT(1)
+#define ATAO_STATUS_PROMOUT    BIT(0)
 #define ATAO_FIFO_WRITE_REG    0x0c
 #define ATAO_FIFO_CLEAR_REG    0x0c
 #define ATAO_AO_REG(x)         (0x0c + ((x) * 2))
@@ -95,7 +95,7 @@
 #define ATAO_2_INT1CLR_REG     0x02
 #define ATAO_2_INT2CLR_REG     0x04
 #define ATAO_2_RTSISHFT_REG    0x06
-#define ATAO_2_RTSISHFT_RSI    (1 << 0)
+#define ATAO_2_RTSISHFT_RSI    BIT(0)
 #define ATAO_2_RTSISTRB_REG    0x07
 
 struct atao_board {