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

diff --git a/drivers/staging/sm750fb/ddk750_power.c b/drivers/staging/sm750fb/ddk750_power.c
index 864bbd6..198ff81 100644 (file)
--- a/drivers/staging/sm750fb/ddk750_power.c
+++ b/drivers/staging/sm750fb/ddk750_power.c
@@ -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;
@@ -198,23 +154,6 @@ void enableGPIO(unsigned int enable)
 }
 
 /*
- * 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
  */
 void enableI2C(unsigned int enable)

diff --git a/drivers/staging/sm750fb/ddk750_power.h b/drivers/staging/sm750fb/ddk750_power.h
index ed08cdb..6e804d9 100644 (file)
--- a/drivers/staging/sm750fb/ddk750_power.h
+++ b/drivers/staging/sm750fb/ddk750_power.h
@@ -35,11 +35,6 @@ 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
  */
 void enableDMA(unsigned int enable);
@@ -50,19 +45,9 @@ 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