diff options
| -rw-r--r-- | drivers/net/ipg.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c index dfdc96fcade..59898ce54dc 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; |