Clean up macros by:
1) removing unused macros
2) replace constants by macro BIT()
Signed-off-by: Bitan Biswas <[email protected]>
Reviewed-by: Dmitry Osipenko <[email protected]>
---
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
Fix checkpatch.pl alignment and blank line check(s) in i2c-tegra.c
Signed-off-by: Bitan Biswas <[email protected]>
Reviewed-by: Dmitry Osipenko <[email protected]>
---
drivers/i2c/busses/i2c-tegra.c | 35 +++++++++++++++++++----------------
1 file changed, 19 insertions(+), 16 deletions(-)
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index f7116b7..2d381de 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -295,7 +295,7 @@ static u32 dvc_readl(struct tegra_i2c_dev *i2c_dev, unsigned long reg)
* to the I2C block inside the DVC block
*/
static unsigned long tegra_i2c_reg_addr(struct tegra_i2c_dev *i2c_dev,
- unsigned long reg)
+ unsigned long reg)
{
if (i2c_dev->is_dvc)
reg += (reg >= I2C_TX_FIFO) ? 0x10 : 0x40;
@@ -303,7 +303,7 @@ static unsigned long tegra_i2c_reg_addr(struct tegra_i2c_dev *i2c_dev,
}
static void i2c_writel(struct tegra_i2c_dev *i2c_dev, u32 val,
- unsigned long reg)
+ unsigned long reg)
{
writel(val, i2c_dev->base + tegra_i2c_reg_addr(i2c_dev, reg));
@@ -318,13 +318,13 @@ static u32 i2c_readl(struct tegra_i2c_dev *i2c_dev, unsigned long reg)
}
static void i2c_writesl(struct tegra_i2c_dev *i2c_dev, void *data,
- unsigned long reg, int len)
+ unsigned long reg, int len)
{
writesl(i2c_dev->base + tegra_i2c_reg_addr(i2c_dev, reg), data, len);
}
static void i2c_readsl(struct tegra_i2c_dev *i2c_dev, void *data,
- unsigned long reg, int len)
+ unsigned long reg, int len)
{
readsl(i2c_dev->base + tegra_i2c_reg_addr(i2c_dev, reg), data, len);
}
@@ -669,10 +669,11 @@ static int tegra_i2c_wait_for_config_load(struct tegra_i2c_dev *i2c_dev)
i2c_writel(i2c_dev, I2C_MSTR_CONFIG_LOAD, I2C_CONFIG_LOAD);
if (in_interrupt())
err = readl_poll_timeout_atomic(addr, val, val == 0,
- 1000, I2C_CONFIG_LOAD_TIMEOUT);
+ 1000,
+ I2C_CONFIG_LOAD_TIMEOUT);
else
- err = readl_poll_timeout(addr, val, val == 0,
- 1000, I2C_CONFIG_LOAD_TIMEOUT);
+ err = readl_poll_timeout(addr, val, val == 0, 1000,
+ I2C_CONFIG_LOAD_TIMEOUT);
if (err) {
dev_warn(i2c_dev->dev,
@@ -1013,7 +1014,8 @@ static int tegra_i2c_issue_bus_clear(struct i2c_adapter *adap)
}
static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
- struct i2c_msg *msg, enum msg_end_type end_state)
+ struct i2c_msg *msg,
+ enum msg_end_type end_state)
{
u32 packet_header;
u32 int_mask;
@@ -1150,9 +1152,8 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
if (err)
return err;
- time_left = wait_for_completion_timeout(
- &i2c_dev->dma_complete,
- msecs_to_jiffies(xfer_time));
+ time_left = wait_for_completion_timeout(&i2c_dev->dma_complete,
+ msecs_to_jiffies(xfer_time));
if (time_left == 0) {
dev_err(i2c_dev->dev, "DMA transfer timeout\n");
dmaengine_terminate_sync(i2c_dev->msg_read ?
@@ -1214,7 +1215,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
}
static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
- int num)
+ int num)
{
struct tegra_i2c_dev *i2c_dev = i2c_get_adapdata(adap);
int i;
@@ -1260,14 +1261,15 @@ static void tegra_i2c_parse_dt(struct tegra_i2c_dev *i2c_dev)
{
struct device_node *np = i2c_dev->dev->of_node;
int ret;
+ bool multi_mode;
ret = of_property_read_u32(np, "clock-frequency",
- &i2c_dev->bus_clk_rate);
+ &i2c_dev->bus_clk_rate);
if (ret)
i2c_dev->bus_clk_rate = 100000; /* default clock rate */
- i2c_dev->is_multimaster_mode = of_property_read_bool(np,
- "multi-master");
+ multi_mode = of_property_read_bool(np, "multi-master");
+ i2c_dev->is_multimaster_mode = multi_mode;
}
static const struct i2c_algorithm tegra_i2c_algo = {
@@ -1611,7 +1613,7 @@ static int tegra_i2c_probe(struct platform_device *pdev)
}
ret = devm_request_irq(&pdev->dev, i2c_dev->irq,
- tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev);
+ tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev);
if (ret) {
dev_err(&pdev->dev, "Failed to request irq %i\n", i2c_dev->irq);
goto release_dma;
@@ -1704,6 +1706,7 @@ static const struct dev_pm_ops tegra_i2c_pm = {
SET_RUNTIME_PM_OPS(tegra_i2c_runtime_suspend, tegra_i2c_runtime_resume,
NULL)
};
+
#define TEGRA_I2C_PM (&tegra_i2c_pm)
#else
#define TEGRA_I2C_PM NULL
--
2.7.4