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authorBitan Biswas <bbiswas@nvidia.com>2019-06-11 13:51:08 +0300
committerWolfram Sang <wsa@the-dreams.de>2019-06-12 13:19:47 +0300
commitc84663cbdb4d880ce6e4c7f7503f62235df66ff6 (patch)
treecb0c806d2e8c50aedf12f5d4bc5d973f31c86946 /drivers
parent095561f476abb09c2495b1e0a45a5ebb50a33b27 (diff)
downloadlinux-c84663cbdb4d880ce6e4c7f7503f62235df66ff6.tar.xz
i2c: tegra: clean up macros
Clean up macros by: 1) removing unused macros 2) replace constants by macro BIT() Signed-off-by: Bitan Biswas <bbiswas@nvidia.com> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/i2c/busses/i2c-tegra.c17
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index ebaa78d17d6e..1cefaa7fff44 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