tc35815: Kill unused code

- TC35815_DMA_SYNC_ONDEMAND is always enabled.
- WORKAROUND_LOSTCAR is always enabled.
- WORKAROUND_100HALF_PROMISC is always enabled.
- GATHER_TXINT is always enabled.
- TC35815_USE_PACKEDBUFFER is always disabled.
- NO_CHECK_CARRIER is always disabled.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 221 deletions

diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index 803eb64ffcc2..6572e8a54520 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -50,13 +50,6 @@ static const char *version = "tc35815.c:v" DRV_VERSION "\n";
 #include <asm/io.h>
 #include <asm/byteorder.h>
 
-/* First, a few definitions that the brave might change. */
-
-#define GATHER_TXINT    /* On-Demand Tx Interrupt */
-#define WORKAROUND_LOSTCAR
-#define WORKAROUND_100HALF_PROMISC
-/* #define TC35815_USE_PACKEDBUFFER */
-
 enum tc35815_chiptype {
         TC35815CF = 0,
         TC35815_NWU,
@@ -326,17 +319,10 @@ struct BDesc {
 
 
 /* Some useful constants. */
-#undef NO_CHECK_CARRIER /* Does not check No-Carrier with TP */
 
-#ifdef NO_CHECK_CARRIER
-#define TX_CTL_CMD      (Tx_EnComp | Tx_EnTxPar | Tx_EnLateColl | \
-        Tx_EnExColl | Tx_EnExDefer | Tx_EnUnder | \
-        Tx_En)  /* maybe  0x7b01 */
-#else
-#define TX_CTL_CMD      (Tx_EnComp | Tx_EnTxPar | Tx_EnLateColl | \
+#define TX_CTL_CMD      (Tx_EnTxPar | Tx_EnLateColl | \
         Tx_EnExColl | Tx_EnLCarr | Tx_EnExDefer | Tx_EnUnder | \
         Tx_En)  /* maybe  0x7b01 */
-#endif
 /* Do not use Rx_StripCRC -- it causes trouble on BLEx/FDAEx condition */
 #define RX_CTL_CMD      (Rx_EnGood | Rx_EnRxPar | Rx_EnLongErr | Rx_EnOver \
         | Rx_EnCRCErr | Rx_EnAlign | Rx_RxEn) /* maybe 0x6f01 */
@@ -357,13 +343,6 @@ struct BDesc {
 #define TX_THRESHOLD_KEEP_LIMIT 10
 
 /* 16 + RX_BUF_NUM * 8 + RX_FD_NUM * 16 + TX_FD_NUM * 32 <= PAGE_SIZE*FD_PAGE_NUM */
-#ifdef TC35815_USE_PACKEDBUFFER
-#define FD_PAGE_NUM 2
-#define RX_BUF_NUM      8       /* >= 2 */
-#define RX_FD_NUM       250     /* >= 32 */
-#define TX_FD_NUM       128
-#define RX_BUF_SIZE     PAGE_SIZE
-#else /* TC35815_USE_PACKEDBUFFER */
 #define FD_PAGE_NUM 4
 #define RX_BUF_NUM      128     /* < 256 */
 #define RX_FD_NUM       256     /* >= 32 */
@@ -377,7 +356,6 @@ struct BDesc {
 #define RX_BUF_SIZE     \
         L1_CACHE_ALIGN(ETH_FRAME_LEN + VLAN_HLEN + ETH_FCS_LEN + NET_IP_ALIGN)
 #endif
-#endif /* TC35815_USE_PACKEDBUFFER */
 #define RX_FD_RESERVE   (2 / 2) /* max 2 BD per RxFD */
 #define NAPI_WEIGHT     16
 
@@ -435,11 +413,7 @@ struct tc35815_local {
         /*
          * Transmitting: Batch Mode.
          *      1 BD in 1 TxFD.
-         * Receiving: Packing Mode. (TC35815_USE_PACKEDBUFFER)
-         *      1 circular FD for Free Buffer List.
-         *      RX_BUF_NUM BD in Free Buffer FD.
-         *      One Free Buffer BD has PAGE_SIZE data buffer.
-         * Or Non-Packing Mode.
+         * Receiving: Non-Packing Mode.
          *      1 circular FD for Free Buffer List.
          *      RX_BUF_NUM BD in Free Buffer FD.
          *      One Free Buffer BD has ETH_FRAME_LEN data buffer.
@@ -453,21 +427,11 @@ struct tc35815_local {
         struct RxFD *rfd_limit;
         struct RxFD *rfd_cur;
         struct FrFD *fbl_ptr;
-#ifdef TC35815_USE_PACKEDBUFFER
-        unsigned char fbl_curid;
-        void *data_buf[RX_BUF_NUM];             /* packing */
-        dma_addr_t data_buf_dma[RX_BUF_NUM];
-        struct {
-                struct sk_buff *skb;
-                dma_addr_t skb_dma;
-        } tx_skbs[TX_FD_NUM];
-#else
         unsigned int fbl_count;
         struct {
                 struct sk_buff *skb;
                 dma_addr_t skb_dma;
         } tx_skbs[TX_FD_NUM], rx_skbs[RX_BUF_NUM];
-#endif
         u32 msg_enable;
         enum tc35815_chiptype chiptype;
 };
@@ -482,51 +446,6 @@ static inline void *fd_bus_to_virt(struct tc35815_local *lp, dma_addr_t bus)
         return (void *)((u8 *)lp->fd_buf + (bus - lp->fd_buf_dma));
 }
 #endif
-#ifdef TC35815_USE_PACKEDBUFFER
-static inline void *rxbuf_bus_to_virt(struct tc35815_local *lp, dma_addr_t bus)
-{
-        int i;
-        for (i = 0; i < RX_BUF_NUM; i++) {
-                if (bus >= lp->data_buf_dma[i] &&
-                    bus < lp->data_buf_dma[i] + PAGE_SIZE)
-                        return (void *)((u8 *)lp->data_buf[i] +
-                                        (bus - lp->data_buf_dma[i]));
-        }
-        return NULL;
-}
-
-#define TC35815_DMA_SYNC_ONDEMAND
-static void *alloc_rxbuf_page(struct pci_dev *hwdev, dma_addr_t *dma_handle)
-{
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-        void *buf;
-        /* pci_map + pci_dma_sync will be more effective than
-         * pci_alloc_consistent on some archs. */
-        buf = (void *)__get_free_page(GFP_ATOMIC);
-        if (!buf)
-                return NULL;
-        *dma_handle = pci_map_single(hwdev, buf, PAGE_SIZE,
-                                     PCI_DMA_FROMDEVICE);
-        if (pci_dma_mapping_error(hwdev, *dma_handle)) {
-                free_page((unsigned long)buf);
-                return NULL;
-        }
-        return buf;
-#else
-        return pci_alloc_consistent(hwdev, PAGE_SIZE, dma_handle);
-#endif
-}
-
-static void free_rxbuf_page(struct pci_dev *hwdev, void *buf, dma_addr_t dma_handle)
-{
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-        pci_unmap_single(hwdev, dma_handle, PAGE_SIZE, PCI_DMA_FROMDEVICE);
-        free_page((unsigned long)buf);
-#else
-        pci_free_consistent(hwdev, PAGE_SIZE, buf, dma_handle);
-#endif
-}
-#else /* TC35815_USE_PACKEDBUFFER */
 static struct sk_buff *alloc_rxbuf_skb(struct net_device *dev,
                                        struct pci_dev *hwdev,
                                        dma_addr_t *dma_handle)
@@ -551,7 +470,6 @@ static void free_rxbuf_skb(struct pci_dev *hwdev, struct sk_buff *skb, dma_addr_
                          PCI_DMA_FROMDEVICE);
         dev_kfree_skb_any(skb);
 }
-#endif /* TC35815_USE_PACKEDBUFFER */
 
 /* Index to functions, as function prototypes. */
 
@@ -646,8 +564,6 @@ static void tc_handle_link_change(struct net_device *dev)
                  * TX4939 PCFG.SPEEDn bit will be changed on
                  * NETDEV_CHANGE event.
                  */
-
-#if !defined(NO_CHECK_CARRIER) && defined(WORKAROUND_LOSTCAR)
                 /*
                  * WORKAROUND: enable LostCrS only if half duplex
                  * operation.
@@ -657,7 +573,6 @@ static void tc_handle_link_change(struct net_device *dev)
                     lp->chiptype != TC35815_TX4939)
                         tc_writel(tc_readl(&tr->Tx_Ctl) | Tx_EnLCarr,
                                   &tr->Tx_Ctl);
-#endif
 
                 lp->speed = phydev->speed;
                 lp->duplex = phydev->duplex;
@@ -666,11 +581,9 @@ static void tc_handle_link_change(struct net_device *dev)
 
         if (phydev->link != lp->link) {
                 if (phydev->link) {
-#ifdef WORKAROUND_100HALF_PROMISC
                         /* delayed promiscuous enabling */
                         if (dev->flags & IFF_PROMISC)
                                 tc35815_set_multicast_list(dev);
-#endif
                 } else {
                         lp->speed = 0;
                         lp->duplex = -1;
@@ -997,25 +910,6 @@ tc35815_init_queues(struct net_device *dev)
                 if (!lp->fd_buf)
                         return -ENOMEM;
                 for (i = 0; i < RX_BUF_NUM; i++) {
-#ifdef TC35815_USE_PACKEDBUFFER
-                        lp->data_buf[i] =
-                                alloc_rxbuf_page(lp->pci_dev,
-                                                 &lp->data_buf_dma[i]);
-                        if (!lp->data_buf[i]) {
-                                while (--i >= 0) {
-                                        free_rxbuf_page(lp->pci_dev,
-                                                        lp->data_buf[i],
-                                                        lp->data_buf_dma[i]);
-                                        lp->data_buf[i] = NULL;
-                                }
-                                pci_free_consistent(lp->pci_dev,
-                                                    PAGE_SIZE * FD_PAGE_NUM,
-                                                    lp->fd_buf,
-                                                    lp->fd_buf_dma);
-                                lp->fd_buf = NULL;
-                                return -ENOMEM;
-                        }
-#else
                         lp->rx_skbs[i].skb =
                                 alloc_rxbuf_skb(dev, lp->pci_dev,
                                                 &lp->rx_skbs[i].skb_dma);
@@ -1033,15 +927,9 @@ tc35815_init_queues(struct net_device *dev)
                                 lp->fd_buf = NULL;
                                 return -ENOMEM;
                         }
-#endif
                 }
                 printk(KERN_DEBUG "%s: FD buf %p DataBuf",
                        dev->name, lp->fd_buf);
-#ifdef TC35815_USE_PACKEDBUFFER
-                printk(" DataBuf");
-                for (i = 0; i < RX_BUF_NUM; i++)
-                        printk(" %p", lp->data_buf[i]);
-#endif
                 printk("\n");
         } else {
                 for (i = 0; i < FD_PAGE_NUM; i++)
@@ -1074,7 +962,6 @@ tc35815_init_queues(struct net_device *dev)
         lp->fbl_ptr = (struct FrFD *)fd_addr;
         lp->fbl_ptr->fd.FDNext = cpu_to_le32(fd_virt_to_bus(lp, lp->fbl_ptr));
         lp->fbl_ptr->fd.FDCtl = cpu_to_le32(RX_BUF_NUM | FD_CownsFD);
-#ifndef TC35815_USE_PACKEDBUFFER
         /*
          * move all allocated skbs to head of rx_skbs[] array.
          * fbl_count mighe not be RX_BUF_NUM if alloc_rxbuf_skb() in
@@ -1092,11 +979,7 @@ tc35815_init_queues(struct net_device *dev)
                         lp->fbl_count++;
                 }
         }
-#endif
         for (i = 0; i < RX_BUF_NUM; i++) {
-#ifdef TC35815_USE_PACKEDBUFFER
-                lp->fbl_ptr->bd[i].BuffData = cpu_to_le32(lp->data_buf_dma[i]);
-#else
                 if (i >= lp->fbl_count) {
                         lp->fbl_ptr->bd[i].BuffData = 0;
                         lp->fbl_ptr->bd[i].BDCtl = 0;
@@ -1104,15 +987,11 @@ tc35815_init_queues(struct net_device *dev)
                 }
                 lp->fbl_ptr->bd[i].BuffData =
                         cpu_to_le32(lp->rx_skbs[i].skb_dma);
-#endif
                 /* BDID is index of FrFD.bd[] */
                 lp->fbl_ptr->bd[i].BDCtl =
                         cpu_to_le32(BD_CownsBD | (i << BD_RxBDID_SHIFT) |
                                     RX_BUF_SIZE);
         }
-#ifdef TC35815_USE_PACKEDBUFFER
-        lp->fbl_curid = 0;
-#endif
 
         printk(KERN_DEBUG "%s: TxFD %p RxFD %p FrFD %p\n",
                dev->name, lp->tfd_base, lp->rfd_base, lp->fbl_ptr);
@@ -1186,19 +1065,11 @@ tc35815_free_queues(struct net_device *dev)
         lp->fbl_ptr = NULL;
 
         for (i = 0; i < RX_BUF_NUM; i++) {
-#ifdef TC35815_USE_PACKEDBUFFER
-                if (lp->data_buf[i]) {
-                        free_rxbuf_page(lp->pci_dev,
-                                        lp->data_buf[i], lp->data_buf_dma[i]);
-                        lp->data_buf[i] = NULL;
-                }
-#else
                 if (lp->rx_skbs[i].skb) {
                         free_rxbuf_skb(lp->pci_dev, lp->rx_skbs[i].skb,
                                        lp->rx_skbs[i].skb_dma);
                         lp->rx_skbs[i].skb = NULL;
                 }
-#endif
         }
         if (lp->fd_buf) {
                 pci_free_consistent(lp->pci_dev, PAGE_SIZE * FD_PAGE_NUM,
@@ -1244,7 +1115,7 @@ dump_rxfd(struct RxFD *fd)
         return bd_count;
 }
 
-#if defined(DEBUG) || defined(TC35815_USE_PACKEDBUFFER)
+#ifdef DEBUG
 static void
 dump_frfd(struct FrFD *fd)
 {
@@ -1261,9 +1132,7 @@ dump_frfd(struct FrFD *fd)
                        le32_to_cpu(fd->bd[i].BDCtl));
         printk("\n");
 }
-#endif
 
-#ifdef DEBUG
 static void
 panic_queues(struct net_device *dev)
 {
@@ -1466,9 +1335,7 @@ static int tc35815_send_packet(struct sk_buff *skb, struct net_device *dev)
                         (struct tc35815_regs __iomem *)dev->base_addr;
                 /* Start DMA Transmitter. */
                 txfd->fd.FDNext |= cpu_to_le32(FD_Next_EOL);
-#ifdef GATHER_TXINT
                 txfd->fd.FDCtl |= cpu_to_le32(FD_FrmOpt_IntTx);
-#endif
                 if (netif_msg_tx_queued(lp)) {
                         printk("%s: starting TxFD.\n", dev->name);
                         dump_txfd(txfd);
@@ -1640,50 +1507,9 @@ tc35815_rx(struct net_device *dev, int limit)
                         struct sk_buff *skb;
                         unsigned char *data;
                         int cur_bd;
-#ifdef TC35815_USE_PACKEDBUFFER
-                        int offset;
-#endif
 
                         if (--limit < 0)
                                 break;
-#ifdef TC35815_USE_PACKEDBUFFER
-                        BUG_ON(bd_count > 2);
-                        skb = dev_alloc_skb(pkt_len + NET_IP_ALIGN);
-                        if (skb == NULL) {
-                                printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n",
-                                       dev->name);
-                                dev->stats.rx_dropped++;
-                                break;
-                        }
-                        skb_reserve(skb, NET_IP_ALIGN);
-
-                        data = skb_put(skb, pkt_len);
-
-                        /* copy from receive buffer */
-                        cur_bd = 0;
-                        offset = 0;
-                        while (offset < pkt_len && cur_bd < bd_count) {
-                                int len = le32_to_cpu(lp->rfd_cur->bd[cur_bd].BDCtl) &
-                                        BD_BuffLength_MASK;
-                                dma_addr_t dma = le32_to_cpu(lp->rfd_cur->bd[cur_bd].BuffData);
-                                void *rxbuf = rxbuf_bus_to_virt(lp, dma);
-                                if (offset + len > pkt_len)
-                                        len = pkt_len - offset;
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-                                pci_dma_sync_single_for_cpu(lp->pci_dev,
-                                                            dma, len,
-                                                            PCI_DMA_FROMDEVICE);
-#endif
-                                memcpy(data + offset, rxbuf, len);
-#ifdef TC35815_DMA_SYNC_ONDEMAND
-                                pci_dma_sync_single_for_device(lp->pci_dev,
-                                                               dma, len,
-                                                               PCI_DMA_FROMDEVICE);
-#endif
-                                offset += len;
-                                cur_bd++;
-                        }
-#else /* TC35815_USE_PACKEDBUFFER */
                         BUG_ON(bd_count > 1);
                         cur_bd = (le32_to_cpu(lp->rfd_cur->bd[0].BDCtl)
                                   & BD_RxBDID_MASK) >> BD_RxBDID_SHIFT;
@@ -1711,7 +1537,6 @@ tc35815_rx(struct net_device *dev, int limit)
                                 memmove(skb->data, skb->data - NET_IP_ALIGN,
                                         pkt_len);
                         data = skb_put(skb, pkt_len);
-#endif /* TC35815_USE_PACKEDBUFFER */
                         if (netif_msg_pktdata(lp))
                                 print_eth(data);
                         skb->protocol = eth_type_trans(skb, dev);
@@ -1753,19 +1578,11 @@ tc35815_rx(struct net_device *dev, int limit)
                         BUG_ON(id >= RX_BUF_NUM);
 #endif
                         /* free old buffers */
-#ifdef TC35815_USE_PACKEDBUFFER
-                        while (lp->fbl_curid != id)
-#else
                         lp->fbl_count--;
                         while (lp->fbl_count < RX_BUF_NUM)
-#endif
                         {
-#ifdef TC35815_USE_PACKEDBUFFER
-                                unsigned char curid = lp->fbl_curid;
-#else
                                 unsigned char curid =
                                         (id + 1 + lp->fbl_count) % RX_BUF_NUM;
-#endif
                                 struct BDesc *bd = &lp->fbl_ptr->bd[curid];
 #ifdef DEBUG
                                 bdctl = le32_to_cpu(bd->BDCtl);
@@ -1776,7 +1593,6 @@ tc35815_rx(struct net_device *dev, int limit)
                                 }
 #endif
                                 /* pass BD to controller */
-#ifndef TC35815_USE_PACKEDBUFFER
                                 if (!lp->rx_skbs[curid].skb) {
                                         lp->rx_skbs[curid].skb =
                                                 alloc_rxbuf_skb(dev,
@@ -1786,21 +1602,11 @@ tc35815_rx(struct net_device *dev, int limit)
                                                 break; /* try on next reception */
                                         bd->BuffData = cpu_to_le32(lp->rx_skbs[curid].skb_dma);
                                 }
-#endif /* TC35815_USE_PACKEDBUFFER */
                                 /* Note: BDLength was modified by chip. */
                                 bd->BDCtl = cpu_to_le32(BD_CownsBD |
                                                         (curid << BD_RxBDID_SHIFT) |
                                                         RX_BUF_SIZE);
-#ifdef TC35815_USE_PACKEDBUFFER
-                                lp->fbl_curid = (curid + 1) % RX_BUF_NUM;
-                                if (netif_msg_rx_status(lp)) {
-                                        printk("%s: Entering new FBD %d\n",
-                                               dev->name, lp->fbl_curid);
-                                        dump_frfd(lp->fbl_ptr);
-                                }
-#else
                                 lp->fbl_count++;
-#endif
                         }
                 }
 
@@ -1872,11 +1678,7 @@ static int tc35815_poll(struct napi_struct *napi, int budget)
         return received;
 }
 
-#ifdef NO_CHECK_CARRIER
-#define TX_STA_ERR      (Tx_ExColl|Tx_Under|Tx_Defer|Tx_LateColl|Tx_TxPar|Tx_SQErr)
-#else
 #define TX_STA_ERR      (Tx_ExColl|Tx_Under|Tx_Defer|Tx_NCarr|Tx_LateColl|Tx_TxPar|Tx_SQErr)
-#endif
 
 static void
 tc35815_check_tx_stat(struct net_device *dev, int status)
@@ -1890,16 +1692,12 @@ tc35815_check_tx_stat(struct net_device *dev, int status)
         if (status & Tx_TxColl_MASK)
                 dev->stats.collisions += status & Tx_TxColl_MASK;
 
-#ifndef NO_CHECK_CARRIER
         /* TX4939 does not have NCarr */
         if (lp->chiptype == TC35815_TX4939)
                 status &= ~Tx_NCarr;
-#ifdef WORKAROUND_LOSTCAR
         /* WORKAROUND: ignore LostCrS in full duplex operation */
         if (!lp->link || lp->duplex == DUPLEX_FULL)
                 status &= ~Tx_NCarr;
-#endif
-#endif
 
         if (!(status & TX_STA_ERR)) {
                 /* no error. */
@@ -1929,12 +1727,10 @@ tc35815_check_tx_stat(struct net_device *dev, int status)
                 dev->stats.tx_fifo_errors++;
                 msg = "Excessive Deferral.";
         }
-#ifndef NO_CHECK_CARRIER
         if (status & Tx_NCarr) {
                 dev->stats.tx_carrier_errors++;
                 msg = "Lost Carrier Sense.";
         }
-#endif
         if (status & Tx_LateColl) {
                 dev->stats.tx_aborted_errors++;
                 msg = "Late Collision.";
@@ -2025,9 +1821,7 @@ tc35815_txdone(struct net_device *dev)
 
                                 /* start DMA Transmitter again */
                                 txhead->fd.FDNext |= cpu_to_le32(FD_Next_EOL);
-#ifdef GATHER_TXINT
                                 txhead->fd.FDCtl |= cpu_to_le32(FD_FrmOpt_IntTx);
-#endif
                                 if (netif_msg_tx_queued(lp)) {
                                         printk("%s: start TxFD on queue.\n",
                                                dev->name);
@@ -2138,14 +1932,12 @@ tc35815_set_multicast_list(struct net_device *dev)
                 (struct tc35815_regs __iomem *)dev->base_addr;
 
         if (dev->flags & IFF_PROMISC) {
-#ifdef WORKAROUND_100HALF_PROMISC
                 /* With some (all?) 100MHalf HUB, controller will hang
                  * if we enabled promiscuous mode before linkup... */
                 struct tc35815_local *lp = netdev_priv(dev);
 
                 if (!lp->link)
                         return;
-#endif
                 /* Enable promiscuous mode */
                 tc_writel(CAM_CompEn | CAM_BroadAcc | CAM_GroupAcc | CAM_StationAcc, &tr->CAM_Ctl);
         } else if ((dev->flags & IFF_ALLMULTI) ||
@@ -2332,9 +2124,6 @@ static void tc35815_chip_init(struct net_device *dev)
                 tc_writel(DMA_BURST_SIZE | DMA_RxAlign_2, &tr->DMA_Ctl);
         else
                 tc_writel(DMA_BURST_SIZE, &tr->DMA_Ctl);
-#ifdef TC35815_USE_PACKEDBUFFER
-        tc_writel(RxFrag_EnPack | ETH_ZLEN, &tr->RxFragSize);   /* Packing */
-#endif
         tc_writel(0, &tr->TxPollCtr);   /* Batch mode */
         tc_writel(TX_THRESHOLD, &tr->TxThrsh);
         tc_writel(INT_EN_CMD, &tr->Int_En);
@@ -2352,19 +2141,12 @@ static void tc35815_chip_init(struct net_device *dev)
         tc_writel(RX_CTL_CMD, &tr->Rx_Ctl);     /* start MAC receiver */
 
         /* start MAC transmitter */
-#ifndef NO_CHECK_CARRIER
         /* TX4939 does not have EnLCarr */
         if (lp->chiptype == TC35815_TX4939)
                 txctl &= ~Tx_EnLCarr;
-#ifdef WORKAROUND_LOSTCAR
         /* WORKAROUND: ignore LostCrS in full duplex operation */
         if (!lp->phy_dev || !lp->link || lp->duplex == DUPLEX_FULL)
                 txctl &= ~Tx_EnLCarr;
-#endif
-#endif /* !NO_CHECK_CARRIER */
-#ifdef GATHER_TXINT
-        txctl &= ~Tx_EnComp;    /* disable global tx completion int. */
-#endif
         tc_writel(txctl, &tr->Tx_Ctl);
 }