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staging: sm750fb: ddk750_swi2c: staticize swI2C{SCL,SDA}

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swI2C{SCL,SDA} are not used outside ddk750_swi2c, make them static

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Rapoport 2015-09-12 11:07:41 +03:00 committed by Greg Kroah-Hartman
parent d33b42048e
commit 01a64c4469
2 changed files with 2 additions and 23 deletions
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4
drivers/staging/sm750fb/ddk750_swi2c.c
View file

@ -119,7 +119,7 @@ static void swI2CWait(void)
* signal because the i2c will fail when other device try to drive the
* signal due to SM50x will drive the signal to always high.
*/
void swI2CSCL(unsigned char value)
static void swI2CSCL(unsigned char value)
{
unsigned long ulGPIOData;
unsigned long ulGPIODirection;
@ -153,7 +153,7 @@ void swI2CSCL(unsigned char value)
* signal because the i2c will fail when other device try to drive the
* signal due to SM50x will drive the signal to always high.
*/
void swI2CSDA(unsigned char value)
static void swI2CSDA(unsigned char value)
{
unsigned long ulGPIOData;
unsigned long ulGPIODirection;

21
drivers/staging/sm750fb/ddk750_swi2c.h
View file

@ -68,25 +68,4 @@ long sm750_sw_i2c_write_reg(
unsigned char data
);
/*
* These two functions toggle the data on the SCL and SDA I2C lines.
* The use of these two functions is not recommended unless it is necessary.
*/
/*
* This function set/reset the SCL GPIO pin
*
* Parameters:
* value - Bit value to set to the SCL or SDA (0 = low, 1 = high)
*/
void swI2CSCL(unsigned char value);
/*
* This function set/reset the SDA GPIO pin
*
* Parameters:
* value - Bit value to set to the SCL or SDA (0 = low, 1 = high)
*/
void swI2CSDA(unsigned char value);
#endif /* _SWI2C_H_ */