[PATCH v2 14/17] staging: sm750fb: ddk750_swi2c: rename CamelCase static variables

Mike Rapoport
2015-09-04T08:20:32Z

Rename static variables defining I2C GPIO pins and their control registers from
CamelCase.

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
---
drivers/staging/sm750fb/ddk750_swi2c.c | 96 +++++++++++++++++-----------------
1 file changed, 48 insertions(+), 48 deletions(-)

diff --git a/drivers/staging/sm750fb/ddk750_swi2c.c b/drivers/staging/sm750fb/ddk750_swi2c.c
index b3f64c4..94f4c46 100644
--- a/drivers/staging/sm750fb/ddk750_swi2c.c
+++ b/drivers/staging/sm750fb/ddk750_swi2c.c
@@ -55,8 +55,8 @@
******************************************************************/

/* GPIO pins used for this I2C. It ranges from 0 to 63. */
-static unsigned char g_i2cClockGPIO = DEFAULT_I2C_SCL;
-static unsigned char g_i2cDataGPIO = DEFAULT_I2C_SDA;
+static unsigned char sw_i2c_clk_gpio = DEFAULT_I2C_SCL;
+static unsigned char sw_i2c_data_gpio = DEFAULT_I2C_SDA;

/*
* Below is the variable declaration for the GPIO pin register usage
@@ -70,14 +70,14 @@ static unsigned char g_i2cDataGPIO = DEFAULT_I2C_SDA;
*/

/* i2c Clock GPIO Register usage */
-static unsigned long g_i2cClkGPIOMuxReg = GPIO_MUX;
-static unsigned long g_i2cClkGPIODataReg = GPIO_DATA;
-static unsigned long g_i2cClkGPIODataDirReg = GPIO_DATA_DIRECTION;
+static unsigned long sw_i2c_clk_gpio_mux_reg = GPIO_MUX;
+static unsigned long sw_i2c_clk_gpio_data_reg = GPIO_DATA;
+static unsigned long sw_i2c_clk_gpio_data_dir_reg = GPIO_DATA_DIRECTION;

/* i2c Data GPIO Register usage */
-static unsigned long g_i2cDataGPIOMuxReg = GPIO_MUX;
-static unsigned long g_i2cDataGPIODataReg = GPIO_DATA;
-static unsigned long g_i2cDataGPIODataDirReg = GPIO_DATA_DIRECTION;
+static unsigned long sw_i2c_data_gpio_mux_reg = GPIO_MUX;
+static unsigned long sw_i2c_data_gpio_data_reg = GPIO_DATA;
+static unsigned long sw_i2c_data_gpio_data_dir_reg = GPIO_DATA_DIRECTION;

/*
* This function puts a delay between command
@@ -124,20 +124,20 @@ static void sm750_sw_i2c_scl(unsigned char value)
unsigned long ulGPIOData;
unsigned long ulGPIODirection;

- ulGPIODirection = PEEK32(g_i2cClkGPIODataDirReg);
+ ulGPIODirection = PEEK32(sw_i2c_clk_gpio_data_dir_reg);
if (value) { /* High */
/* Set direction as input. This will automatically pull the signal up. */
- ulGPIODirection &= ~(1 << g_i2cClockGPIO);
- POKE32(g_i2cClkGPIODataDirReg, ulGPIODirection);
+ ulGPIODirection &= ~(1 << sw_i2c_clk_gpio);
+ POKE32(sw_i2c_clk_gpio_data_dir_reg, ulGPIODirection);
} else { /* Low */
/* Set the signal down */
- ulGPIOData = PEEK32(g_i2cClkGPIODataReg);
- ulGPIOData &= ~(1 << g_i2cClockGPIO);
- POKE32(g_i2cClkGPIODataReg, ulGPIOData);
+ ulGPIOData = PEEK32(sw_i2c_clk_gpio_data_reg);
+ ulGPIOData &= ~(1 << sw_i2c_clk_gpio);
+ POKE32(sw_i2c_clk_gpio_data_reg, ulGPIOData);

/* Set direction as output */
- ulGPIODirection |= (1 << g_i2cClockGPIO);
- POKE32(g_i2cClkGPIODataDirReg, ulGPIODirection);
+ ulGPIODirection |= (1 << sw_i2c_clk_gpio);
+ POKE32(sw_i2c_clk_gpio_data_dir_reg, ulGPIODirection);
}
}

@@ -158,20 +158,20 @@ static void sm750_sw_i2c_sda(unsigned char value)
unsigned long ulGPIOData;
unsigned long ulGPIODirection;

- ulGPIODirection = PEEK32(g_i2cDataGPIODataDirReg);
+ ulGPIODirection = PEEK32(sw_i2c_data_gpio_data_dir_reg);
if (value) { /* High */
/* Set direction as input. This will automatically pull the signal up. */
- ulGPIODirection &= ~(1 << g_i2cDataGPIO);
- POKE32(g_i2cDataGPIODataDirReg, ulGPIODirection);
+ ulGPIODirection &= ~(1 << sw_i2c_data_gpio);
+ POKE32(sw_i2c_data_gpio_data_dir_reg, ulGPIODirection);
} else { /* Low */
/* Set the signal down */
- ulGPIOData = PEEK32(g_i2cDataGPIODataReg);
- ulGPIOData &= ~(1 << g_i2cDataGPIO);
- POKE32(g_i2cDataGPIODataReg, ulGPIOData);
+ ulGPIOData = PEEK32(sw_i2c_data_gpio_data_reg);
+ ulGPIOData &= ~(1 << sw_i2c_data_gpio);
+ POKE32(sw_i2c_data_gpio_data_reg, ulGPIOData);

/* Set direction as output */
- ulGPIODirection |= (1 << g_i2cDataGPIO);
- POKE32(g_i2cDataGPIODataDirReg, ulGPIODirection);
+ ulGPIODirection |= (1 << sw_i2c_data_gpio);
+ POKE32(sw_i2c_data_gpio_data_dir_reg, ulGPIODirection);
}
}

@@ -187,15 +187,15 @@ static unsigned char sm750_sw_i2c_read_sda(void)
unsigned long ulGPIOData;

/* Make sure that the direction is input (High) */
- ulGPIODirection = PEEK32(g_i2cDataGPIODataDirReg);
- if ((ulGPIODirection & (1 << g_i2cDataGPIO)) != (~(1 << g_i2cDataGPIO))) {
- ulGPIODirection &= ~(1 << g_i2cDataGPIO);
- POKE32(g_i2cDataGPIODataDirReg, ulGPIODirection);
+ ulGPIODirection = PEEK32(sw_i2c_data_gpio_data_dir_reg);
+ if ((ulGPIODirection & (1 << sw_i2c_data_gpio)) != (~(1 << sw_i2c_data_gpio))) {
+ ulGPIODirection &= ~(1 << sw_i2c_data_gpio);
+ POKE32(sw_i2c_data_gpio_data_dir_reg, ulGPIODirection);
}

/* Now read the SDA line */
- ulGPIOData = PEEK32(g_i2cDataGPIODataReg);
- if (ulGPIOData & (1 << g_i2cDataGPIO))
+ ulGPIOData = PEEK32(sw_i2c_data_gpio_data_reg);
+ if (ulGPIOData & (1 << sw_i2c_data_gpio))
return 1;
else
return 0;
@@ -353,18 +353,18 @@ static long sm750le_i2c_init(unsigned char i2cClkGPIO,
int i;

/* Initialize the GPIO pin for the i2c Clock Register */
- g_i2cClkGPIODataReg = GPIO_DATA_SM750LE;
- g_i2cClkGPIODataDirReg = GPIO_DATA_DIRECTION_SM750LE;
+ sw_i2c_clk_gpio_data_reg = GPIO_DATA_SM750LE;
+ sw_i2c_clk_gpio_data_dir_reg = GPIO_DATA_DIRECTION_SM750LE;

/* Initialize the Clock GPIO Offset */
- g_i2cClockGPIO = i2cClkGPIO;
+ sw_i2c_clk_gpio = i2cClkGPIO;

/* Initialize the GPIO pin for the i2c Data Register */
- g_i2cDataGPIODataReg = GPIO_DATA_SM750LE;
- g_i2cDataGPIODataDirReg = GPIO_DATA_DIRECTION_SM750LE;
+ sw_i2c_data_gpio_data_reg = GPIO_DATA_SM750LE;
+ sw_i2c_data_gpio_data_dir_reg = GPIO_DATA_DIRECTION_SM750LE;

/* Initialize the Data GPIO Offset */
- g_i2cDataGPIO = i2cDataGPIO;
+ sw_i2c_data_gpio = i2cDataGPIO;

/* Note that SM750LE don't have GPIO MUX and power is always on */

@@ -401,26 +401,26 @@ long sm750_sw_i2c_init(
return sm750le_i2c_init(i2cClkGPIO, i2cDataGPIO);

/* Initialize the GPIO pin for the i2c Clock Register */
- g_i2cClkGPIOMuxReg = GPIO_MUX;
- g_i2cClkGPIODataReg = GPIO_DATA;
- g_i2cClkGPIODataDirReg = GPIO_DATA_DIRECTION;
+ sw_i2c_clk_gpio_mux_reg = GPIO_MUX;
+ sw_i2c_clk_gpio_data_reg = GPIO_DATA;
+ sw_i2c_clk_gpio_data_dir_reg = GPIO_DATA_DIRECTION;

/* Initialize the Clock GPIO Offset */
- g_i2cClockGPIO = i2cClkGPIO;
+ sw_i2c_clk_gpio = i2cClkGPIO;

/* Initialize the GPIO pin for the i2c Data Register */
- g_i2cDataGPIOMuxReg = GPIO_MUX;
- g_i2cDataGPIODataReg = GPIO_DATA;
- g_i2cDataGPIODataDirReg = GPIO_DATA_DIRECTION;
+ sw_i2c_data_gpio_mux_reg = GPIO_MUX;
+ sw_i2c_data_gpio_data_reg = GPIO_DATA;
+ sw_i2c_data_gpio_data_dir_reg = GPIO_DATA_DIRECTION;

/* Initialize the Data GPIO Offset */
- g_i2cDataGPIO = i2cDataGPIO;
+ sw_i2c_data_gpio = i2cDataGPIO;

/* Enable the GPIO pins for the i2c Clock and Data (GPIO MUX) */
- POKE32(g_i2cClkGPIOMuxReg,
- PEEK32(g_i2cClkGPIOMuxReg) & ~(1 << g_i2cClockGPIO));
- POKE32(g_i2cDataGPIOMuxReg,
- PEEK32(g_i2cDataGPIOMuxReg) & ~(1 << g_i2cDataGPIO));
+ POKE32(sw_i2c_clk_gpio_mux_reg,
+ PEEK32(sw_i2c_clk_gpio_mux_reg) & ~(1 << sw_i2c_clk_gpio));
+ POKE32(sw_i2c_data_gpio_mux_reg,
+ PEEK32(sw_i2c_data_gpio_mux_reg) & ~(1 << sw_i2c_data_gpio));

/* Enable GPIO power */
enableGPIO(1);
--
2.1.0