1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index dfdc96fcadec..59898ce54dcf 100644
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -25,6 +25,8 @@
 #include <linux/mii.h>
 #include <linux/mutex.h>
 
+#include <asm/div64.h>
+
 #define IPG_RX_RING_BYTES       (sizeof(struct ipg_rx) * IPG_RFDLIST_LENGTH)
 #define IPG_TX_RING_BYTES       (sizeof(struct ipg_tx) * IPG_TFDLIST_LENGTH)
 #define IPG_RESET_MASK \
@@ -836,10 +838,14 @@ static void ipg_nic_txfree(struct net_device *dev)
 {
         struct ipg_nic_private *sp = netdev_priv(dev);
         void __iomem *ioaddr = sp->ioaddr;
-        const unsigned int curr = ipg_r32(TFD_LIST_PTR_0) -
-                (sp->txd_map / sizeof(struct ipg_tx)) - 1;
+        unsigned int curr;
+        u64 txd_map;
         unsigned int released, pending;
 
+        txd_map = (u64)sp->txd_map;
+        curr = ipg_r32(TFD_LIST_PTR_0) -
+                do_div(txd_map, sizeof(struct ipg_tx)) - 1;
+
         IPG_DEBUG_MSG("_nic_txfree\n");
 
         pending = sp->tx_current - sp->tx_dirty;