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Commit 4221c595 authored by Mike Rapoport's avatar Mike Rapoport Committed by Greg Kroah-Hartman
Browse files

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



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

Signed-off-by: default avatarMike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 228a4cf8

drivers/staging/sm750fb/ddk750_power.c

+0 −61
Original line number Diff line number Diff line
@@ -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

 */

drivers/staging/sm750fb/ddk750_power.h

+0 −15
Original line number Diff line number Diff line
@@ -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