commit 2edf6f60307185968c633696731167421e715486
author Madan Mohan Koyyalamudi <c_mkoyya@qca.qualcomm.com> Mon Oct 15 15:56:34 2012 -0700
committer Jeff Johnson <jjohnson@qca.qualcomm.com> Fri Nov 30 14:45:33 2012 -0800
tree ec06cb52a13411e93139088fe63cdb6566e427ad
parent 5f57c1004198a00ed2f053e0b971a2c397315879

wlan: Re-Integrate CL 633831, TX data path hang issue fix

Under specific condition, busy environment and heavy data traffic, TX
data stuck happen since SMSM could not trigger TX data transfer ion time

Change-Id: I5a115704e14cd1efd8624d7fc7db8f7c4227f6e7
CR-Fixed: 359372

CORE/DXE/src/wlan_qct_dxe.c

diff --git a/CORE/DXE/src/wlan_qct_dxe.c b/CORE/DXE/src/wlan_qct_dxe.c
index 720d64f..5364c0b 100644
--- a/CORE/DXE/src/wlan_qct_dxe.c
+++ b/CORE/DXE/src/wlan_qct_dxe.c
@@ -2626,16 +2626,14 @@
 #else
    wpt_iterator                iterator;
 #endif /* FEATURE_R33D */
-    
-   wpt_uint32                  isEmpty = 0;
 
    HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_INFO_LOW,
             "%s Enter", __FUNCTION__);
 
-   if((0 == tempDxeCtrlBlk->dxeChannel[WDTS_CHANNEL_TX_LOW_PRI].numRsvdDesc) &&
-      (0 == tempDxeCtrlBlk->dxeChannel[WDTS_CHANNEL_TX_HIGH_PRI].numRsvdDesc))
+   if(WLANDXE_POWER_STATE_BMPS == tempDxeCtrlBlk->hostPowerState)
    {
-     isEmpty = 1;
+      tempDxeCtrlBlk->rivaPowerState = WLANDXE_RIVA_POWER_STATE_BMPS_UNKNOWN;
+      dxeNotifySmsm(eWLAN_PAL_FALSE, eWLAN_PAL_TRUE);
    }
 
    channelEntry->numFragmentCurrentChain = 0;
@@ -2778,15 +2776,11 @@
    {
       /* Update channel head as next avaliable linked slot */
       channelEntry->headCtrlBlk = currentCtrlBlk;
-      
-      if( isEmpty )
-      {
-          tempDxeCtrlBlk->ringNotEmpty = eWLAN_PAL_TRUE;
-          HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_INFO_LOW, "SMSM_ret LO=%d HI=%d", tempDxeCtrlBlk->dxeChannel[WDTS_CHANNEL_TX_LOW_PRI].numRsvdDesc,
-                   tempDxeCtrlBlk->dxeChannel[WDTS_CHANNEL_TX_HIGH_PRI].numRsvdDesc );
-          dxeNotifySmsm(eWLAN_PAL_TRUE, eWLAN_PAL_FALSE);
-      }
-	  return status;
+      tempDxeCtrlBlk->ringNotEmpty = eWLAN_PAL_TRUE;
+      HDXE_MSG(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_INFO_LOW, "SMSM_ret LO=%d HI=%d", tempDxeCtrlBlk->dxeChannel[WDTS_CHANNEL_TX_LOW_PRI].numRsvdDesc,
+               tempDxeCtrlBlk->dxeChannel[WDTS_CHANNEL_TX_HIGH_PRI].numRsvdDesc );
+      dxeNotifySmsm(eWLAN_PAL_TRUE, eWLAN_PAL_FALSE);
+      return status;
    }
 
    /* If DXE use external descriptor, registers are not needed to be programmed