staging: rtl8192u: remove unused dm_gpio_change_rf_callback()

This patch removes dm_gpio_change_rf_callback() because it is not called
anywhere and it resides inside an #ifdef RTL8192E guard while RTL8192E
is not defined.

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192u/r8192U_dm.c b/drivers/staging/rtl8192u/r8192U_dm.c
index 910bd4c..1a38085 100644 (file)
--- a/drivers/staging/rtl8192u/r8192U_dm.c
+++ b/drivers/staging/rtl8192u/r8192U_dm.c
@@ -2850,79 +2850,6 @@ static   void    dm_check_pbc_gpio(struct net_device *dev)
 
 }
 
-#ifdef RTL8192E
-
-/*-----------------------------------------------------------------------------
- * Function:   dm_GPIOChangeRF
- * Overview:   PCI will not support workitem call back HW radio on-off control.
- *
- * Input:              NONE
- *
- * Output:             NONE
- *
- * Return:             NONE
- *
- * Revised History:
- *     When            Who             Remark
- *     02/21/2008      MHC             Create Version 0.
- *
- *---------------------------------------------------------------------------*/
-extern void    dm_gpio_change_rf_callback(struct work_struct *work)
-{
-       struct delayed_work *dwork = container_of(work,struct delayed_work,work);
-       struct r8192_priv *priv = container_of(dwork,struct r8192_priv,gpio_change_rf_wq);
-       struct net_device *dev = priv->ieee80211->dev;
-       u8 tmp1byte;
-       RT_RF_POWER_STATE       eRfPowerStateToSet;
-       bool bActuallySet = false;
-
-       do{
-               bActuallySet=false;
-
-               if(!priv->up)
-               {
-                       RT_TRACE((COMP_INIT | COMP_POWER | COMP_RF),"dm_gpio_change_rf_callback(): Callback function breaks out!!\n");
-               }
-               else
-               {
-                       // 0x108 GPIO input register is read only
-                       //set 0x108 B1= 1: RF-ON; 0: RF-OFF.
-                       read_nic_byte(dev, GPI, &tmp1byte);
-
-                       eRfPowerStateToSet = (tmp1byte&BIT1) ?  eRfOn : eRfOff;
-
-                       if((priv->bHwRadioOff == true) && (eRfPowerStateToSet == eRfOn))
-                       {
-                               RT_TRACE(COMP_RF, "gpiochangeRF  - HW Radio ON\n");
-
-                               priv->bHwRadioOff = false;
-                               bActuallySet = true;
-                       }
-                       else if ((priv->bHwRadioOff == false) && (eRfPowerStateToSet == eRfOff))
-                       {
-                               RT_TRACE(COMP_RF, "gpiochangeRF  - HW Radio OFF\n");
-                               priv->bHwRadioOff = true;
-                               bActuallySet = true;
-                       }
-
-                       if(bActuallySet)
-                       {
-                               #ifdef TO_DO
-                               MgntActSet_RF_State(dev, eRfPowerStateToSet, RF_CHANGE_BY_HW);
-                               //DrvIFIndicateCurrentPhyStatus(pAdapter);
-                               #endif
-                       }
-                       else
-                       {
-                               msleep(2000);
-                       }
-
-               }
-       }while(TRUE)
-
-}      /* dm_GPIOChangeRF */
-
-#endif
 /*-----------------------------------------------------------------------------
  * Function:   DM_RFPathCheckWorkItemCallBack()
  *