From b2a8ab668c1b0a25071182d7aeaff2b6bfb977aa Mon Sep 17 00:00:00 2001
From: hadaq <hadaq>
Date: Wed, 19 Oct 2011 16:38:26 +0000
Subject: [PATCH] update

---
 pexor/kernel-module/pexor_trb.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/pexor/kernel-module/pexor_trb.c b/pexor/kernel-module/pexor_trb.c
index 0e6af13..1255e52 100644
--- a/pexor/kernel-module/pexor_trb.c
+++ b/pexor/kernel-module/pexor_trb.c
@@ -1355,13 +1355,13 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
     for (sg_ctr = 0; sg_ctr < priv->dma.nr_sglist; sg_ctr++) {
       unsigned int loops = 0;
       
-      mb();
       /* sync current sg-entry to Device */
       dma_sync_single_for_device(priv->class_dev,
                                  sg_dma_address(&priv->dma.sglist[sg_ctr]),
                                  sg_dma_len(&priv->dma.sglist[sg_ctr]),
                                  DMA_FROM_DEVICE);
-      
+      mb();
+
       iowrite32(sg_dma_address(&priv->dma.sglist[sg_ctr]),
                 priv->pexor.dma_dest);
       iowrite32(sg_dma_len(&priv->dma.sglist[sg_ctr]) / 4,
@@ -1397,6 +1397,14 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
           goto OUT_IOCTL;
         }
       }
+      
+      /* sync current sg-entry to CPU */
+      dma_sync_single_for_cpu(priv->class_dev,
+                              sg_dma_address(&priv->dma.sglist[sg_ctr]),
+                              sg_dma_len(&priv->dma.sglist[sg_ctr]),
+                              DMA_FROM_DEVICE);
+      mb();
+      
       /* Check for kernel timeout */
       if (loops == PEXOR_DMA_MAXPOLLS) {
         pexor_msg(KERN_ERR
@@ -1411,12 +1419,6 @@ int pexor_ioctl_trbnet_request(struct pexor_privdata *priv, unsigned long arg)
         goto OUT_IOCTL;
       }
 
-      /* sync current sg-entry to CPU */
-      dma_sync_single_for_cpu(priv->class_dev,
-                              sg_dma_address(&priv->dma.sglist[sg_ctr]),
-                              sg_dma_len(&priv->dma.sglist[sg_ctr]),
-                              DMA_FROM_DEVICE);
-      mb();
       
       /* Check status: do we need another dma for data */
       if (dmaSize > 0) {
-- 
2.43.0