netxen: fix dma watchdog

NX3031 does not require driver to kill dma watchdog.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 15 insertions, 13 deletions

diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 519fc860e17e..5bba675d0504 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -1079,10 +1079,12 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter)
 
 void netxen_free_adapter_offload(struct netxen_adapter *adapter)
 {
-        int i;
+        int i = 100;
+
+        if (!adapter->dummy_dma.addr)
+                return;
 
-        if (adapter->dummy_dma.addr) {
-                i = 100;
+        if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
                 do {
                         if (dma_watchdog_shutdown_request(adapter) == 1)
                                 break;
@@ -1090,17 +1092,17 @@ void netxen_free_adapter_offload(struct netxen_adapter *adapter)
                         if (dma_watchdog_shutdown_poll_result(adapter) == 1)
                                 break;
                 } while (--i);
+        }
 
-                if (i) {
-                        pci_free_consistent(adapter->pdev,
-                                    NETXEN_HOST_DUMMY_DMA_SIZE,
-                                    adapter->dummy_dma.addr,
-                                    adapter->dummy_dma.phys_addr);
-                        adapter->dummy_dma.addr = NULL;
-                } else {
-                        printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
-                                        adapter->netdev->name);
-                }
+        if (i) {
+                pci_free_consistent(adapter->pdev,
+                            NETXEN_HOST_DUMMY_DMA_SIZE,
+                            adapter->dummy_dma.addr,
+                            adapter->dummy_dma.phys_addr);
+                adapter->dummy_dma.addr = NULL;
+        } else {
+                printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n",
+                                adapter->netdev->name);
         }
 }