staging: sm750fb: ddk750_swi2c: rename CamelCase static variables

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

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/sm750fb/ddk750_swi2c.c b/drivers/staging/sm750fb/ddk750_swi2c.c
index faaf858..1d7e8f6 100644 (file)
--- 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 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 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 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);