Clean up macros by:
1) removing unused macros
2) replace constants by macro BIT()

Signed-off-by: Bitan Biswas <bbis...@nvidia.com>
Reviewed-by: Dmitry Osipenko <dig...@gmail.com>
---
 drivers/i2c/busses/i2c-tegra.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 1dbba39..00692d8 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -54,20 +54,15 @@
 #define I2C_INT_STATUS                         0x068
 #define I2C_INT_BUS_CLR_DONE                   BIT(11)
 #define I2C_INT_PACKET_XFER_COMPLETE           BIT(7)
-#define I2C_INT_ALL_PACKETS_XFER_COMPLETE      BIT(6)
-#define I2C_INT_TX_FIFO_OVERFLOW               BIT(5)
-#define I2C_INT_RX_FIFO_UNDERFLOW              BIT(4)
 #define I2C_INT_NO_ACK                         BIT(3)
 #define I2C_INT_ARBITRATION_LOST               BIT(2)
 #define I2C_INT_TX_FIFO_DATA_REQ               BIT(1)
 #define I2C_INT_RX_FIFO_DATA_REQ               BIT(0)
 #define I2C_CLK_DIVISOR                                0x06c
 #define I2C_CLK_DIVISOR_STD_FAST_MODE_SHIFT    16
-#define I2C_CLK_MULTIPLIER_STD_FAST_MODE       8
 
 #define DVC_CTRL_REG1                          0x000
 #define DVC_CTRL_REG1_INTR_EN                  BIT(10)
-#define DVC_CTRL_REG2                          0x004
 #define DVC_CTRL_REG3                          0x008
 #define DVC_CTRL_REG3_SW_PROG                  BIT(26)
 #define DVC_CTRL_REG3_I2C_DONE_INTR_EN         BIT(30)
@@ -75,24 +70,21 @@
 #define DVC_STATUS_I2C_DONE_INTR               BIT(30)
 
 #define I2C_ERR_NONE                           0x00
-#define I2C_ERR_NO_ACK                         0x01
-#define I2C_ERR_ARBITRATION_LOST               0x02
-#define I2C_ERR_UNKNOWN_INTERRUPT              0x04
+#define I2C_ERR_NO_ACK                         BIT(0)
+#define I2C_ERR_ARBITRATION_LOST               BIT(1)
+#define I2C_ERR_UNKNOWN_INTERRUPT              BIT(2)
 
 #define PACKET_HEADER0_HEADER_SIZE_SHIFT       28
 #define PACKET_HEADER0_PACKET_ID_SHIFT         16
 #define PACKET_HEADER0_CONT_ID_SHIFT           12
 #define PACKET_HEADER0_PROTOCOL_I2C            BIT(4)
 
-#define I2C_HEADER_HIGHSPEED_MODE              BIT(22)
 #define I2C_HEADER_CONT_ON_NAK                 BIT(21)
-#define I2C_HEADER_SEND_START_BYTE             BIT(20)
 #define I2C_HEADER_READ                                BIT(19)
 #define I2C_HEADER_10BIT_ADDR                  BIT(18)
 #define I2C_HEADER_IE_ENABLE                   BIT(17)
 #define I2C_HEADER_REPEAT_START                        BIT(16)
 #define I2C_HEADER_CONTINUE_XFER               BIT(15)
-#define I2C_HEADER_MASTER_ADDR_SHIFT           12
 #define I2C_HEADER_SLAVE_ADDR_SHIFT            1
 
 #define I2C_BUS_CLEAR_CNFG                     0x084
@@ -106,8 +98,6 @@
 
 #define I2C_CONFIG_LOAD                                0x08C
 #define I2C_MSTR_CONFIG_LOAD                   BIT(0)
-#define I2C_SLV_CONFIG_LOAD                    BIT(1)
-#define I2C_TIMEOUT_CONFIG_LOAD                        BIT(2)
 
 #define I2C_CLKEN_OVERRIDE                     0x090
 #define I2C_MST_CORE_CLKEN_OVR                 BIT(0)
@@ -133,7 +123,6 @@
 #define I2C_STANDARD_MODE                      100000
 #define I2C_FAST_MODE                          400000
 #define I2C_FAST_PLUS_MODE                     1000000
-#define I2C_HS_MODE                            3500000
 
 /* Packet header size in bytes */
 #define I2C_PACKET_HEADER_SIZE                 12
-- 
2.7.4

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