staging: vt6656: dead code remove diversity code

bDiversityRegCtlON is always false.

In later vendor driver code has been commented out.

Remove diversity timers and variables.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 282 deletions

diff --git a/drivers/staging/vt6656/baseband.c b/drivers/staging/vt6656/baseband.c
index 88682c0..3a06bf4 100644
--- a/drivers/staging/vt6656/baseband.c
+++ b/drivers/staging/vt6656/baseband.c
@@ -636,20 +636,6 @@ static const u16 awcFrameTime[MAX_RATE] =
 {10, 20, 55, 110, 24, 36, 48, 72, 96, 144, 192, 216};
 
 /*
-static
-unsigned long
-s_ulGetLowSQ3(PSDevice pDevice);
-
-static
-unsigned long
-s_ulGetRatio(PSDevice pDevice);
-
-static
-void
-s_vClearSQ3Value(PSDevice pDevice);
-*/
-
-/*
  * Description: Calculate data frame transmitting time
  *
  * Parameters:
@@ -1140,274 +1126,6 @@ void BBvExitDeepSleep(struct vnt_private *priv)
 	ControlvWriteByte(priv, MESSAGE_REQUEST_BBREG, 0x0d, 0x01);/* CR13 */
 }
 
-static unsigned long s_ulGetLowSQ3(struct vnt_private *pDevice)
-{
-	int ii;
-	unsigned long ulSQ3 = 0;
-	unsigned long ulMaxPacket;
-
-    ulMaxPacket = pDevice->aulPktNum[RATE_54M];
-	if (pDevice->aulPktNum[RATE_54M] != 0)
-        ulSQ3 = pDevice->aulSQ3Val[RATE_54M] / pDevice->aulPktNum[RATE_54M];
-
-	for (ii = RATE_48M; ii >= RATE_6M; ii--)
-		if (pDevice->aulPktNum[ii] > ulMaxPacket) {
-            ulMaxPacket = pDevice->aulPktNum[ii];
-            ulSQ3 = pDevice->aulSQ3Val[ii] / pDevice->aulPktNum[ii];
-        }
-
-    return ulSQ3;
-}
-
-static unsigned long s_ulGetRatio(struct vnt_private *pDevice)
-{
-	int ii, jj;
-	unsigned long ulRatio = 0;
-	unsigned long ulMaxPacket;
-	unsigned long ulPacketNum;
-
-    //This is a thousand-ratio
-    ulMaxPacket = pDevice->aulPktNum[RATE_54M];
-    if ( pDevice->aulPktNum[RATE_54M] != 0 ) {
-        ulPacketNum = pDevice->aulPktNum[RATE_54M];
-        ulRatio = (ulPacketNum * 1000 / pDevice->uDiversityCnt);
-        ulRatio += TOP_RATE_54M;
-    }
-	for (ii = RATE_48M; ii >= RATE_1M; ii--)
-        if ( pDevice->aulPktNum[ii] > ulMaxPacket ) {
-            ulPacketNum = 0;
-            for ( jj=RATE_54M;jj>=ii;jj--)
-                ulPacketNum += pDevice->aulPktNum[jj];
-            ulRatio = (ulPacketNum * 1000 / pDevice->uDiversityCnt);
-            ulRatio += TOP_RATE_48M;
-            ulMaxPacket = pDevice->aulPktNum[ii];
-        }
-
-    return ulRatio;
-}
-
-static void s_vClearSQ3Value(struct vnt_private *pDevice)
-{
-    int ii;
-    pDevice->uDiversityCnt = 0;
-
-    for ( ii=RATE_1M;ii<MAX_RATE;ii++) {
-        pDevice->aulPktNum[ii] = 0;
-        pDevice->aulSQ3Val[ii] = 0;
-    }
-}
-
-/*
- * Description: Antenna Diversity
- *
- * Parameters:
- *  In:
- *      pDevice          - Device Structure
- *      byRSR            - RSR from received packet
- *      bySQ3            - SQ3 value from received packet
- *  Out:
- *      none
- *
- * Return Value: none
- *
- */
-
-void BBvAntennaDiversity(struct vnt_private *pDevice,
-	u8 byRxRate, u8 bySQ3)
-{
-
-    pDevice->uDiversityCnt++;
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pDevice->uDiversityCnt = %d\n", (int)pDevice->uDiversityCnt);
-
-    if (byRxRate == 2) {
-        pDevice->aulPktNum[RATE_1M]++;
-    }
-    else if (byRxRate==4) {
-        pDevice->aulPktNum[RATE_2M]++;
-    }
-    else if (byRxRate==11) {
-        pDevice->aulPktNum[RATE_5M]++;
-    }
-    else if (byRxRate==22) {
-        pDevice->aulPktNum[RATE_11M]++;
-    }
-    else if(byRxRate==12){
-        pDevice->aulPktNum[RATE_6M]++;
-        pDevice->aulSQ3Val[RATE_6M] += bySQ3;
-    }
-    else if(byRxRate==18){
-        pDevice->aulPktNum[RATE_9M]++;
-        pDevice->aulSQ3Val[RATE_9M] += bySQ3;
-    }
-    else if(byRxRate==24){
-        pDevice->aulPktNum[RATE_12M]++;
-        pDevice->aulSQ3Val[RATE_12M] += bySQ3;
-    }
-    else if(byRxRate==36){
-        pDevice->aulPktNum[RATE_18M]++;
-        pDevice->aulSQ3Val[RATE_18M] += bySQ3;
-    }
-    else if(byRxRate==48){
-        pDevice->aulPktNum[RATE_24M]++;
-        pDevice->aulSQ3Val[RATE_24M] += bySQ3;
-    }
-    else if(byRxRate==72){
-        pDevice->aulPktNum[RATE_36M]++;
-        pDevice->aulSQ3Val[RATE_36M] += bySQ3;
-    }
-    else if(byRxRate==96){
-        pDevice->aulPktNum[RATE_48M]++;
-        pDevice->aulSQ3Val[RATE_48M] += bySQ3;
-    }
-    else if(byRxRate==108){
-        pDevice->aulPktNum[RATE_54M]++;
-        pDevice->aulSQ3Val[RATE_54M] += bySQ3;
-    }
-
-    if (pDevice->byAntennaState == 0) {
-
-        if (pDevice->uDiversityCnt > pDevice->ulDiversityNValue) {
-            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ulDiversityNValue=[%d],54M-[%d]\n",(int)pDevice->ulDiversityNValue, (int)pDevice->aulPktNum[RATE_54M]);
-
-            pDevice->ulSQ3_State0 = s_ulGetLowSQ3(pDevice);
-            pDevice->ulRatio_State0 = s_ulGetRatio(pDevice);
-            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"SQ3_State0, SQ3= [%08x] rate = [%08x]\n",(int)pDevice->ulSQ3_State0,(int)pDevice->ulRatio_State0);
-
-            if ( ((pDevice->aulPktNum[RATE_54M] < pDevice->ulDiversityNValue/2) &&
-                  (pDevice->ulSQ3_State0 > pDevice->ulSQ3TH) ) ||
-                 (pDevice->ulSQ3_State0 == 0 ) )  {
-
-                if ( pDevice->byTMax == 0 )
-                    return;
-
-		bScheduleCommand((void *) pDevice,
-				 WLAN_CMD_CHANGE_ANTENNA,
-				 NULL);
-
-                pDevice->byAntennaState = 1;
-
-                del_timer(&pDevice->TimerSQ3Tmax3);
-                del_timer(&pDevice->TimerSQ3Tmax2);
-                pDevice->TimerSQ3Tmax1.expires =  RUN_AT(pDevice->byTMax * HZ);
-                add_timer(&pDevice->TimerSQ3Tmax1);
-
-            } else {
-                pDevice->TimerSQ3Tmax3.expires =  RUN_AT(pDevice->byTMax3 * HZ);
-                add_timer(&pDevice->TimerSQ3Tmax3);
-            }
-            s_vClearSQ3Value(pDevice);
-
-        }
-    } else { //byAntennaState == 1
-
-        if (pDevice->uDiversityCnt > pDevice->ulDiversityMValue) {
-
-            del_timer(&pDevice->TimerSQ3Tmax1);
-            pDevice->ulSQ3_State1 = s_ulGetLowSQ3(pDevice);
-            pDevice->ulRatio_State1 = s_ulGetRatio(pDevice);
-            DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"SQ3_State1, rate0 = %08x,rate1 = %08x\n",(int)pDevice->ulRatio_State0,(int)pDevice->ulRatio_State1);
-
-            if ( ((pDevice->ulSQ3_State1 == 0) && (pDevice->ulSQ3_State0 != 0)) ||
-                 ((pDevice->ulSQ3_State1 == 0) && (pDevice->ulSQ3_State0 == 0) && (pDevice->ulRatio_State1 < pDevice->ulRatio_State0)) ||
-                 ((pDevice->ulSQ3_State1 != 0) && (pDevice->ulSQ3_State0 != 0) && (pDevice->ulSQ3_State0 < pDevice->ulSQ3_State1))
-               ) {
-
-		bScheduleCommand((void *) pDevice,
-				 WLAN_CMD_CHANGE_ANTENNA,
-				 NULL);
-
-                pDevice->TimerSQ3Tmax3.expires =  RUN_AT(pDevice->byTMax3 * HZ);
-                pDevice->TimerSQ3Tmax2.expires =  RUN_AT(pDevice->byTMax2 * HZ);
-                add_timer(&pDevice->TimerSQ3Tmax3);
-                add_timer(&pDevice->TimerSQ3Tmax2);
-
-            }
-            pDevice->byAntennaState = 0;
-            s_vClearSQ3Value(pDevice);
-        }
-    } //byAntennaState
-}
-
-/*+
- *
- * Description:
- *  Timer for SQ3 antenna diversity
- *
- * Parameters:
- *  In:
- *      pvSysSpec1
- *      hDeviceContext - Pointer to the adapter
- *      pvSysSpec2
- *      pvSysSpec3
- *  Out:
- *      none
- *
- * Return Value: none
- *
--*/
-
-void TimerSQ3CallBack(struct vnt_private *pDevice)
-{
-
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TimerSQ3CallBack...");
-    spin_lock_irq(&pDevice->lock);
-
-    bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
-    pDevice->byAntennaState = 0;
-    s_vClearSQ3Value(pDevice);
-    pDevice->TimerSQ3Tmax3.expires =  RUN_AT(pDevice->byTMax3 * HZ);
-    pDevice->TimerSQ3Tmax2.expires =  RUN_AT(pDevice->byTMax2 * HZ);
-    add_timer(&pDevice->TimerSQ3Tmax3);
-    add_timer(&pDevice->TimerSQ3Tmax2);
-
-    spin_unlock_irq(&pDevice->lock);
-}
-
-/*+
- *
- * Description:
- *  Timer for SQ3 antenna diversity
- *
- * Parameters:
- *  In:
- *      pvSysSpec1
- *      hDeviceContext - Pointer to the adapter
- *      pvSysSpec2
- *      pvSysSpec3
- *  Out:
- *      none
- *
- * Return Value: none
- *
--*/
-
-void TimerSQ3Tmax3CallBack(struct vnt_private *pDevice)
-{
-
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TimerSQ3Tmax3CallBack...");
-    spin_lock_irq(&pDevice->lock);
-
-    pDevice->ulRatio_State0 = s_ulGetRatio(pDevice);
-    DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"SQ3_State0 = [%08x]\n",(int)pDevice->ulRatio_State0);
-
-    s_vClearSQ3Value(pDevice);
-    if ( pDevice->byTMax == 0 ) {
-        pDevice->TimerSQ3Tmax3.expires =  RUN_AT(pDevice->byTMax3 * HZ);
-        add_timer(&pDevice->TimerSQ3Tmax3);
-        spin_unlock_irq(&pDevice->lock);
-        return;
-    }
-
-    bScheduleCommand((void *) pDevice, WLAN_CMD_CHANGE_ANTENNA, NULL);
-    pDevice->byAntennaState = 1;
-    del_timer(&pDevice->TimerSQ3Tmax3);
-    del_timer(&pDevice->TimerSQ3Tmax2);
-    pDevice->TimerSQ3Tmax1.expires =  RUN_AT(pDevice->byTMax * HZ);
-    add_timer(&pDevice->TimerSQ3Tmax1);
-
-    spin_unlock_irq(&pDevice->lock);
-}
-
 void BBvUpdatePreEDThreshold(struct vnt_private *priv, int scanning)
 {
 	u8 cr_201 = 0x0, cr_206 = 0x0;