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staging: sm750fb: remove unused enable{ZVPort,SSP,PWM} functions

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The functions that enable/disable power for some sub-devices are not
used and therefore they can be removed.

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 2015-09-30 08:24:59 +03:00 committed by Greg Kroah-Hartman
parent 228a4cf8e7
commit 4221c59587
2 changed files with 0 additions and 76 deletions
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61
drivers/staging/sm750fb/ddk750_power.c
View File

@ -122,50 +122,6 @@ void enable2DEngine(unsigned int enable)
setCurrentGate(gate);
}
/*
* This function enable/disable the ZV Port.
*/
void enableZVPort(unsigned int enable)
{
uint32_t gate;
/* Enable ZV Port Gate */
gate = PEEK32(CURRENT_GATE);
if (enable) {
gate = FIELD_SET(gate, CURRENT_GATE, ZVPORT, ON);
#if 1
/* Using Software I2C */
gate = FIELD_SET(gate, CURRENT_GATE, GPIO, ON);
#else
/* Using Hardware I2C */
gate = FIELD_SET(gate, CURRENT_GATE, I2C, ON);
#endif
} else {
/* Disable ZV Port Gate. There is no way to know whether the
GPIO pins are being used or not. Therefore, do not disable the
GPIO gate. */
gate = FIELD_SET(gate, CURRENT_GATE, ZVPORT, OFF);
}
setCurrentGate(gate);
}
void enableSSP(unsigned int enable)
{
uint32_t gate;
/* Enable SSP Gate */
gate = PEEK32(CURRENT_GATE);
if (enable)
gate = FIELD_SET(gate, CURRENT_GATE, SSP, ON);
else
gate = FIELD_SET(gate, CURRENT_GATE, SSP, OFF);
setCurrentGate(gate);
}
void enableDMA(unsigned int enable)
{
uint32_t gate;
@ -197,23 +153,6 @@ void enableGPIO(unsigned int enable)
setCurrentGate(gate);
}
/*
* This function enable/disable the PWM Engine
*/
void enablePWM(unsigned int enable)
{
uint32_t gate;
/* Enable PWM Gate */
gate = PEEK32(CURRENT_GATE);
if (enable)
gate = FIELD_SET(gate, CURRENT_GATE, PWM, ON);
else
gate = FIELD_SET(gate, CURRENT_GATE, PWM, OFF);
setCurrentGate(gate);
}
/*
* This function enable/disable the I2C Engine
*/

15
drivers/staging/sm750fb/ddk750_power.h
View File

@ -34,11 +34,6 @@ void setCurrentGate(unsigned int gate);
*/
void enable2DEngine(unsigned int enable);
/*
* This function enable/disable the ZV Port
*/
void enableZVPort(unsigned int enable);
/*
* This function enable/disable the DMA Engine
*/
@ -49,20 +44,10 @@ void enableDMA(unsigned int enable);
*/
void enableGPIO(unsigned int enable);
/*
* This function enable/disable the PWM Engine
*/
void enablePWM(unsigned int enable);
/*
* This function enable/disable the I2C Engine
*/
void enableI2C(unsigned int enable);
/*
* This function enable/disable the SSP.
*/
void enableSSP(unsigned int enable);
#endif