2 files changed, 7 insertions, 4 deletions

diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index e6153fe5842a..a8cfbef304b5 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -996,6 +996,7 @@ oktosend:
 #ifdef ED_DBGP          
         printk("send_s870: prdaddr_2 0x%8x tmpcip %x target_id %d\n", dev->id[c][target_id].prdaddr,tmpcip,target_id);
 #endif  
+        dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus;
         outl(dev->id[c][target_id].prdaddr, tmpcip);
         tmpcip = tmpcip - 2;
         outb(0x06, tmpcip);
@@ -2572,7 +2573,7 @@ static void atp870u_free_tables(struct Scsi_Host *host)
                 for (k = 0; k < 16; k++) {
                         if (!atp_dev->id[j][k].prd_table)
                                 continue;
-                        pci_free_consistent(atp_dev->pdev, 1024, atp_dev->id[j][k].prd_table, atp_dev->id[j][k].prdaddr);
+                        pci_free_consistent(atp_dev->pdev, 1024, atp_dev->id[j][k].prd_table, atp_dev->id[j][k].prd_bus);
                         atp_dev->id[j][k].prd_table = NULL;
                 }
         }
@@ -2584,12 +2585,13 @@ static int atp870u_init_tables(struct Scsi_Host *host)
         int c,k;
         for(c=0;c < 2;c++) {
                 for(k=0;k<16;k++) {
-                                atp_dev->id[c][k].prd_table = pci_alloc_consistent(atp_dev->pdev, 1024, &(atp_dev->id[c][k].prdaddr));
+                                atp_dev->id[c][k].prd_table = pci_alloc_consistent(atp_dev->pdev, 1024, &(atp_dev->id[c][k].prd_bus));
                                 if (!atp_dev->id[c][k].prd_table) {
                                         printk("atp870u_init_tables fail\n");
                                 atp870u_free_tables(host);
                                 return -ENOMEM;
                         }
+                        atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus;
                         atp_dev->id[c][k].devsp=0x20;
                         atp_dev->id[c][k].devtype = 0x7f;
                         atp_dev->id[c][k].curr_req = NULL;                         
diff --git a/drivers/scsi/atp870u.h b/drivers/scsi/atp870u.h
index 89f43af39cf2..62bae64a01c1 100644
--- a/drivers/scsi/atp870u.h
+++ b/drivers/scsi/atp870u.h
@@ -54,8 +54,9 @@ struct atp_unit
                 unsigned long tran_len;
                 unsigned long last_len;
                 unsigned char *prd_pos;
-                unsigned char *prd_table;
-                dma_addr_t prdaddr;
+                unsigned char *prd_table;       /* Kernel address of PRD table */
+                dma_addr_t prd_bus;             /* Bus address of PRD */
+                dma_addr_t prdaddr;             /* Dynamically updated in driver */
                 struct scsi_cmnd *curr_req;
         } id[2][16];
         struct Scsi_Host *host;