staging: vt6655: remove dead functions in power.c/h

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

diff --git a/drivers/staging/vt6655/power.c b/drivers/staging/vt6655/power.c
index 5371802..040484e 100644 (file)
--- a/drivers/staging/vt6655/power.c
+++ b/drivers/staging/vt6655/power.c
@@ -43,7 +43,6 @@
 #include "wmgr.h"
 #include "power.h"
 #include "wcmd.h"
-#include "rxtx.h"
 #include "card.h"
 
 /*---------------------  Static Definitions -------------------------*/
@@ -140,176 +139,6 @@ PSvDisablePowerSaving(
        pDevice->bPWBitOn = false;
 }
 
-/*+
- *
- * Routine Description:
- * Consider to power down when no more packets to tx or rx.
- *
- * Return Value:
- *    true, if power down success
- *    false, if fail
- -*/
-
-bool
-PSbConsiderPowerDown(
-       void *hDeviceContext,
-       bool bCheckRxDMA,
-       bool bCheckCountToWakeUp
-)
-{
-       struct vnt_private *pDevice = hDeviceContext;
-       PSMgmtObject    pMgmt = pDevice->pMgmt;
-       unsigned int uIdx;
-
-       // check if already in Doze mode
-       if (MACbIsRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PS))
-               return true;
-
-       if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) {
-               // check if in TIM wake period
-               if (pMgmt->bInTIMWake)
-                       return false;
-       }
-
-       // check scan state
-       if (pDevice->bCmdRunning)
-               return false;
-
-       // Force PSEN on
-       MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_PSEN);
-
-       // check if all TD are empty,
-       for (uIdx = 0; uIdx < TYPE_MAXTD; uIdx++) {
-               if (pDevice->iTDUsed[uIdx] != 0)
-                       return false;
-       }
-
-       // check if rx isr is clear
-       if (bCheckRxDMA &&
-           ((pDevice->dwIsr & ISR_RXDMA0) != 0) &&
-           ((pDevice->dwIsr & ISR_RXDMA1) != 0)) {
-               return false;
-       }
-
-       if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA) {
-               if (bCheckCountToWakeUp &&
-                   (pMgmt->wCountToWakeUp == 0 || pMgmt->wCountToWakeUp == 1)) {
-                       return false;
-               }
-       }
-
-       // no Tx, no Rx isr, now go to Doze
-       MACvRegBitsOn(pDevice->PortOffset, MAC_REG_PSCTL, PSCTL_GO2DOZE);
-       pr_debug("Go to Doze ZZZZZZZZZZZZZZZ\n");
-       return true;
-}
-
-/*+
- *
- * Routine Description:
- * Send PS-POLL packet
- *
- * Return Value:
- *    None.
- *
- -*/
-
-void
-PSvSendPSPOLL(
-       void *hDeviceContext
-)
-{
-       struct vnt_private *pDevice = hDeviceContext;
-       PSMgmtObject        pMgmt = pDevice->pMgmt;
-       PSTxMgmtPacket      pTxPacket = NULL;
-
-       memset(pMgmt->pbyPSPacketPool, 0, sizeof(STxMgmtPacket) + WLAN_HDR_ADDR2_LEN);
-       pTxPacket = (PSTxMgmtPacket)pMgmt->pbyPSPacketPool;
-       pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket));
-       pTxPacket->p80211Header->sA2.wFrameCtl = cpu_to_le16(
-               (
-                       WLAN_SET_FC_FTYPE(WLAN_TYPE_CTL) |
-                       WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_PSPOLL) |
-                       WLAN_SET_FC_PWRMGT(0)
-));
-       pTxPacket->p80211Header->sA2.wDurationID = pMgmt->wCurrAID | BIT14 | BIT15;
-       memcpy(pTxPacket->p80211Header->sA2.abyAddr1, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
-       memcpy(pTxPacket->p80211Header->sA2.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN);
-       pTxPacket->cbMPDULen = WLAN_HDR_ADDR2_LEN;
-       pTxPacket->cbPayloadLen = 0;
-       // send the frame
-       if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING)
-               pr_debug("Send PS-Poll packet failed..\n");
-}
-
-/*+
- *
- * Routine Description:
- * Send NULL packet to AP for notification power state of STA
- *
- * Return Value:
- *    None.
- *
- -*/
-bool
-PSbSendNullPacket(
-       void *hDeviceContext
-)
-{
-       struct vnt_private *pDevice = hDeviceContext;
-       PSTxMgmtPacket      pTxPacket = NULL;
-       PSMgmtObject        pMgmt = pDevice->pMgmt;
-       unsigned int uIdx;
-
-       if (!pDevice->bLinkPass)
-               return false;
-
-       if (!pDevice->bEnablePSMode && !pDevice->fTxDataInSleep)
-               return false;
-
-       if (pDevice->bEnablePSMode) {
-               for (uIdx = 0; uIdx < TYPE_MAXTD; uIdx++) {
-                       if (pDevice->iTDUsed[uIdx] != 0)
-                               return false;
-               }
-       }
-
-       memset(pMgmt->pbyPSPacketPool, 0, sizeof(STxMgmtPacket) + WLAN_NULLDATA_FR_MAXLEN);
-       pTxPacket = (PSTxMgmtPacket)pMgmt->pbyPSPacketPool;
-       pTxPacket->p80211Header = (PUWLAN_80211HDR)((unsigned char *)pTxPacket + sizeof(STxMgmtPacket));
-
-       if (pDevice->bEnablePSMode) {
-               pTxPacket->p80211Header->sA3.wFrameCtl = cpu_to_le16(
-                       (
-                               WLAN_SET_FC_FTYPE(WLAN_TYPE_DATA) |
-                               WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_NULL) |
-                               WLAN_SET_FC_PWRMGT(1)
-));
-       } else {
-               pTxPacket->p80211Header->sA3.wFrameCtl = cpu_to_le16(
-                       (
-                               WLAN_SET_FC_FTYPE(WLAN_TYPE_DATA) |
-                               WLAN_SET_FC_FSTYPE(WLAN_FSTYPE_NULL) |
-                               WLAN_SET_FC_PWRMGT(0)
-));
-       }
-
-       if (pMgmt->eCurrMode != WMAC_MODE_IBSS_STA)
-               pTxPacket->p80211Header->sA3.wFrameCtl |= cpu_to_le16((unsigned short)WLAN_SET_FC_TODS(1));
-
-       memcpy(pTxPacket->p80211Header->sA3.abyAddr1, pMgmt->abyCurrBSSID, WLAN_ADDR_LEN);
-       memcpy(pTxPacket->p80211Header->sA3.abyAddr2, pMgmt->abyMACAddr, WLAN_ADDR_LEN);
-       memcpy(pTxPacket->p80211Header->sA3.abyAddr3, pMgmt->abyCurrBSSID, WLAN_BSSID_LEN);
-       pTxPacket->cbMPDULen = WLAN_HDR_ADDR3_LEN;
-       pTxPacket->cbPayloadLen = 0;
-       // send the frame
-       if (csMgmt_xmit(pDevice, pTxPacket) != CMD_STATUS_PENDING) {
-               pr_debug("Send Null Packet failed !\n");
-               return false;
-       }
-
-       return true;
-}
 
 /*+
  *

diff --git a/drivers/staging/vt6655/power.h b/drivers/staging/vt6655/power.h
index 936f171..1083341 100644 (file)
--- a/drivers/staging/vt6655/power.h
+++ b/drivers/staging/vt6655/power.h
@@ -33,13 +33,6 @@
 #define     PS_FAST_INTERVAL         1         // Fast power saving listen interval
 #define     PS_MAX_INTERVAL          4         // MAX power saving listen interval
 
-bool
-PSbConsiderPowerDown(
-       void *hDeviceContext,
-       bool bCheckRxDMA,
-       bool bCheckCountToWakeUp
-);
-
 void
 PSvDisablePowerSaving(
        void *hDeviceContext
@@ -51,15 +44,6 @@ PSvEnablePowerSaving(
        unsigned short wListenInterval
 );
 
-void
-PSvSendPSPOLL(
-       void *hDeviceContext
-);
-
-bool
-PSbSendNullPacket(
-       void *hDeviceContext
-);
 
 bool
 PSbIsNextTBTTWakeUp(

diff --git a/drivers/staging/vt6655/wcmd.c b/drivers/staging/vt6655/wcmd.c
index 53f81f1..33ee84f 100644 (file)
--- a/drivers/staging/vt6655/wcmd.c
+++ b/drivers/staging/vt6655/wcmd.c
@@ -646,7 +646,6 @@ vCommandTimer(
                        bClearBSSID_SCAN(pDevice);
                        if (pDevice->byFOETuning) {
                                BBvSetFOE(pDevice->PortOffset);
-                               PSbSendNullPacket(pDevice);
                        }
                        if (netif_queue_stopped(pDevice->dev))
                                netif_wake_queue(pDevice->dev);
@@ -1009,7 +1008,6 @@ BSSvSecondTxData(
        if ((pDevice->bLinkPass && (pMgmt->eAuthenMode < WMAC_AUTH_WPA)) ||
            pDevice->fWPA_Authened) {   /* wpa linking */
                pDevice->fTxDataInSleep = true;
-               PSbSendNullPacket(pDevice);     /* send null packet */
                pDevice->fTxDataInSleep = false;
        }
 

diff --git a/drivers/staging/vt6655/wmgr.c b/drivers/staging/vt6655/wmgr.c
index a1bada1..72906b0 100644 (file)
--- a/drivers/staging/vt6655/wmgr.c
+++ b/drivers/staging/vt6655/wmgr.c
@@ -2025,19 +2025,13 @@ s_vMgrRxBeacon(
                                pMgmt->bInTIMWake = true;
                                // send out ps-poll packet
 
-                               if (pMgmt->bInTIM)
-                                       PSvSendPSPOLL(pDevice);
 
                        } else {
                                pMgmt->bInTIMWake = false;
                                pr_debug("BCN: Not In TIM..\n");
                                if (!pDevice->bPWBitOn) {
                                        pr_debug("BCN: Send Null Packet\n");
-                                       if (PSbSendNullPacket(pDevice))
-                                               pDevice->bPWBitOn = true;
                                }
-                               if (PSbConsiderPowerDown(pDevice, false, false))
-                                       pr_debug("BCN: Power down now...\n");
                        }
 
                }