07.06.2019 14:55, Bitan Biswas пишет:
> Clean up macros by:
> 1) removing unused macros
> 2) replace constants by macro BIT()
> 
> Signed-off-by: Bitan Biswas <bbis...@nvidia.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
> 

Looks good!

Reviewed-by: Dmitry Osipenko <dig...@gmail.com>

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