From e60369d5b8cbb48043970848da3789f5d88431ef Mon Sep 17 00:00:00 2001
From: hadaq <hadaq>
Date: Mon, 17 Oct 2011 18:00:36 +0000
Subject: [PATCH] update

---
 pexor/kernel-module/pexor_trb.c | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/pexor/kernel-module/pexor_trb.c b/pexor/kernel-module/pexor_trb.c
index 5d8f747..c3ac4df 100644
--- a/pexor/kernel-module/pexor_trb.c
+++ b/pexor/kernel-module/pexor_trb.c
@@ -1233,7 +1233,8 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
     {
       unsigned int i;
       if (descriptor.arg1 > PEXOR_MEMWRITE_SIZE) {
-        pexor_msg(KERN_ERR "ERROR>  REG_WRITE_MEM: invalid size%x\n", command);
+        pexor_msg(KERN_ERR "ERROR>  REG_WRITE_MEM: invalid size: %d shoud be < %d\n",
+                  descriptor.arg1, PEXOR_MEMWRITE_SIZE);
         status = -EFAULT;
         goto OUT_IOCTL;
       }
@@ -1360,18 +1361,24 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
       /* wait for dma complete */
       for (loops = 0; loops < PEXOR_DMA_MAXPOLLS * 100; loops++) {
         dmastat = ioread32(priv->pexor.dma_control_stat);
+        //pexor_msg(KERN_ERR "DMA: Status: is: 0x%08x   %d\n", dmastat, loops);
         mb();
         if ((dmastat & PEXOR_TRB_BIT_DMA_FINISHED) != 0) {
           /* DMA is completed */
           dmaSize = dmastat >> 8;
+          if (dmaSize == 0) {
+            pexor_msg(KERN_ERR "DMA: Zero Length Error, Status: 0x%08x\n", dmastat);
+          }
           break;
         }
         if ((dmastat & PEXOR_TRB_BIT_DMA_MORE) != 0) {
           /* Card needs more DMA-Buffers */
+          //pexor_msg(KERN_ERR "DMA: More Status: 0x%08x\n", dmastat);
           break;
         }
         if ((dmastat & PEXOR_TRB_BIT_DMA_TIMEOUT) != 0) {
           /* TRBNet Timeout */
+          //pexor_msg(KERN_ERR "DMA: Timeout Status: 0x%08x\n", dmastat);
           pexor_msg(KERN_ERR
                     "ERROR> wait_dma_complete: TRBNet Timeout Bit set "
                     "Status: 0x%08x\n",
@@ -1414,9 +1421,8 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
     }
 
     status = dmaSize;
-    pexor_msg(KERN_ERR "DMA: dmaSize: %d\n", dmaSize);
-    //#ifdef PEXOR_TRB_DEBUG
-#if 1
+
+#ifdef PEXOR_TRB_DEBUG
     {
       int i;
       pexor_msg(KERN_ERR "DMA: dmaSize: %d\n", dmaSize);
@@ -1429,10 +1435,7 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
       }
     }
 #endif
-  OUT_DMA:
-    /* reset DMA */
-    iowrite32(PEXOR_TRB_DMA_RESET, priv->pexor.dma_control_stat);
-    
+
   } else {
     /* do FIFO transfer to DMA Buffer */
     pexor_dbg(KERN_ERR "Start FIFO copy to DMA buffer\n");
@@ -1443,6 +1446,8 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
     }
   }
 
+OUT_DMA:
+
 OUT_IOCTL:
   spin_unlock((&(priv->dma_lock)));
   return status;
-- 
2.43.0