Staging: cxt1e1: remove all code dependent on LINUX_VERSION_CODE

Remove all code which is dead for in-kernel driver due to being
ifdefed by LINUX_VERSION_CODE.

While at it, also remove surrounding code which is commented out,
or '#if 1' nops.

Signed-off-by: Jiri Kosina <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/cxt1e1/functions.c

···
             pr_warning("%s: drvr not available (%x)\n", __func__, drvr_state);
         return;
     }
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    /* Initialize the tq entry only the first time */
-    if (wd->init_tq)
-    {
-        wd->init_tq = 0;
-        wd->tq.routine = wd->func;
-        wd->tq.sync = 0;
-        wd->tq.data = wd->softc;
-    }
-    schedule_task (&wd->tq);
-#else
     schedule_work (&wd->work);
-#endif
     mod_timer (&wd->h, jiffies + wd->ticks);
 }
 

drivers/staging/cxt1e1/hwprobe.c

···
     error_flag = 0;
     prep_hdw_info ();
     /*** scan PCI bus for all possible boards */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
     while ((pdev = pci_get_device (PCI_VENDOR_ID_CONEXANT,
-                                   PCI_DEVICE_ID_CN8474,
-                                   pdev)))
-#else
-    while ((pdev = pci_find_device (PCI_VENDOR_ID_CONEXANT,
                                     PCI_DEVICE_ID_CN8474,
                                     pdev)))
-#endif
     {
         if (c4_hdw_init (pdev, found))
             found++;

drivers/staging/cxt1e1/linux.c

···
 }
 
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#define DEV_TO_PRIV(dev) ( * (struct c4_priv **) ((hdlc_device*)(dev)+1))
-#else
-
 char       *
 get_hdlc_name (hdlc_device * hdlc)
 {
···
 
     return dev->name;
 }
-#endif
 
 
 static      status_t
···
 }
 
 /***************************************************************************/
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
 #include <linux/workqueue.h>
 
 /***
···
         pi->wq_port = 0;
     }
 }
-#endif
 
 /***************************************************************************/
 
···
 }
 
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
-
-/** Linux 2.4.18-19 **/
-STATIC int
-chan_open (hdlc_device * hdlc)
-{
-    status_t    ret;
-
-    if ((ret = c4_chan_up (DEV_TO_PRIV (hdlc)->ci, DEV_TO_PRIV (hdlc)->channum)))
-        return -ret;
-    MOD_INC_USE_COUNT;
-    netif_start_queue (hdlc_to_dev (hdlc));
-    return 0;                       /* no error = success */
-}
-
-#else
-
-/** Linux 2.4.20 and higher **/
-STATIC int
-chan_open (struct net_device * ndev)
-{
-    hdlc_device *hdlc = dev_to_hdlc (ndev);
-    status_t    ret;
-
-    hdlc->proto = IF_PROTO_HDLC;
-    if ((ret = hdlc_open (hdlc)))
-    {
-        pr_info("hdlc_open failure, err %d.\n", ret);
-        return ret;
-    }
-    if ((ret = c4_chan_up (DEV_TO_PRIV (hdlc)->ci, DEV_TO_PRIV (hdlc)->channum)))
-        return -ret;
-    MOD_INC_USE_COUNT;
-    netif_start_queue (hdlc_to_dev (hdlc));
-    return 0;                       /* no error = success */
-}
-#endif
-
-#else
-
-/** Linux 2.6 **/
 STATIC int
 chan_open (struct net_device * ndev)
 {
···
     netif_start_queue (ndev);
     return 0;                       /* no error = success */
 }
-#endif
 
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
-
-/** Linux 2.4.18-19 **/
-STATIC void
-chan_close (hdlc_device * hdlc)
-{
-    netif_stop_queue (hdlc_to_dev (hdlc));
-    musycc_chan_down ((ci_t *) 0, DEV_TO_PRIV (hdlc)->channum);
-    MOD_DEC_USE_COUNT;
-}
-#else
-
-/** Linux 2.4.20 and higher **/
-STATIC int
-chan_close (struct net_device * ndev)
-{
-    hdlc_device *hdlc = dev_to_hdlc (ndev);
-
-    netif_stop_queue (hdlc_to_dev (hdlc));
-    musycc_chan_down ((ci_t *) 0, DEV_TO_PRIV (hdlc)->channum);
-    hdlc_close (hdlc);
-    MOD_DEC_USE_COUNT;
-    return 0;
-}
-#endif
-
-#else
-
-/** Linux 2.6 **/
 STATIC int
 chan_close (struct net_device * ndev)
 {
···
     module_put (THIS_MODULE);
     return 0;
 }
-#endif
 
 
 #if !defined(GENERIC_HDLC_VERSION) || (GENERIC_HDLC_VERSION < 4)
···
 
 
 STATIC int
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-chan_attach_noop (hdlc_device * hdlc, unsigned short foo_1, unsigned short foo_2)
-#else
 chan_attach_noop (struct net_device * ndev, unsigned short foo_1, unsigned short foo_2)
-#endif
 {
     return 0;                   /* our driver has nothing to do here, show's
                                  * over, go home */
···
     struct sbecom_chan_stats *stats;
     int         channum;
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    channum = DEV_TO_PRIV (ndev)->channum;
-#else
     {
         struct c4_priv *priv;
 
         priv = (struct c4_priv *) dev_to_hdlc (ndev)->priv;
         channum = priv->channum;
     }
-#endif
 
     ch = c4_find_chan (channum);
     if (ch == NULL)
···
     const struct c4_priv *priv;
     int         rval;
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    priv = DEV_TO_PRIV (ndev);
-#else
     hdlc_device *hdlc = dev_to_hdlc (ndev);
 
     priv = hdlc->priv;
-#endif
 
     rval = musycc_start_xmit (priv->ci, priv->channum, skb);
     return -rval;
···
     ret = mkret (c4_new_chan (ci, cp.port, cp.channum, dev));
     if (ret)
     {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        rtnl_unlock ();             /* needed due to Ioctl calling sequence */
-        V7 (unregister_hdlc_device) (dev_to_hdlc (dev));
-        rtnl_lock ();               /* needed due to Ioctl calling sequence */
-        OS_kfree (DEV_TO_PRIV (dev));
-        OS_kfree (dev);
-#else
         rtnl_unlock ();             /* needed due to Ioctl calling sequence */
         unregister_hdlc_device (dev);
         rtnl_lock ();               /* needed due to Ioctl calling sequence */
         free_netdev (dev);
-#endif
     }
     return ret;
 }
···
         const struct c4_priv *priv;
         int         channum;
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        priv = DEV_TO_PRIV (ndev);
-#else
         priv = (struct c4_priv *) dev_to_hdlc (ndev)->priv;
-#endif
         ci = priv->ci;
         channum = priv->channum;
 
···
         ch->user = 0;               /* will be freed, below */
     }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    if (lockit)
-        rtnl_unlock ();             /* needed if Ioctl calling sequence */
-    V7 (unregister_hdlc_device) (dev_to_hdlc (ndev));
-    if (lockit)
-        rtnl_lock ();               /* needed if Ioctl calling sequence */
-    OS_kfree (DEV_TO_PRIV (ndev));
-    OS_kfree (ndev);
-#else
     if (lockit)
         rtnl_unlock ();             /* needed if Ioctl calling sequence */
     unregister_hdlc_device (ndev);
     if (lockit)
         rtnl_lock ();               /* needed if Ioctl calling sequence */
     free_netdev (ndev);
-#endif
     return 0;
 }
 
···
 
 module_init (c4_mod_init);
 module_exit (c4_mod_remove);
-
-#ifndef SBE_INCLUDE_SYMBOLS
-#ifndef CONFIG_SBE_WANC24_NCOMM
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-EXPORT_NO_SYMBOLS;
-#endif
-#endif
-#endif
 
 MODULE_AUTHOR ("SBE Technical Services <[e-mail]>");
 MODULE_DESCRIPTION ("wanPCI-CxT1E1 Generic HDLC WAN Driver module");

drivers/staging/cxt1e1/musycc.c

···
 }
 
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
 /*
  * This is the workq task executed by the OS when our queue_work() is
  * scheduled and run.  It can fire off either RX or TX ACTIVATION depending
···
 #endif
     }
 }
-#endif
 
 
  /*
···
             ch->channum, ch->txd_irq_srv, ch->txd_irq_srv->status);
 #endif
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
     /* 2.6 - find next unprocessed message, then set TX thp to it */
 #ifdef RLD_RESTART_DEBUG
     pr_info(">> musycc_chan_restart: scheduling Chan %x workQ @ %p\n", ch->channum, &ch->ch_work);
···
     c4_wk_chan_restart (ch);        /* work queue mechanism fires off: Ref:
                                      * musycc_wq_chan_restart () */
 
-#else
-
-
-    /* 2.4 - find next unprocessed message, then set TX thp to it */
-#ifdef RLD_RESTART_DEBUG
-    pr_info(">> musycc_chan_restart: scheduling Chan %x start_tx %x\n", ch->channum, ch->ch_start_tx);
-#endif
-    /* restart transmission from background loop */
-    ch->up->up->wd_notify = WD_NOTIFY_1TX;
-#endif
 }
 
-
-#if 0
-void
-musycc_cleanup (ci_t * ci)
-{
-    mpi_t      *pi;
-    int         i, j;
-
-    /* free up driver resources */
-    ci->state = C_INIT;             /* mark as hardware not available */
-
-    for (i = 0; i < ci->max_ports; i++)
-    {
-        pi = &ci->port[i];
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
-        c4_wq_port_cleanup (pi);
-#endif
-        for (j = 0; j < MUSYCC_NCHANS; j++)
-        {
-            if (pi->chan[j])
-                OS_kfree (pi->chan[j]); /* free mch_t struct */
-        }
-        OS_kfree (pi->regram_saved);
-    }
-#if 0
-    /* obsolete - watchdog is now static w/in ci_t */
-    OS_free_watchdog (ci->wd);
-#endif
-    OS_kfree (ci->iqd_p_saved);
-    OS_kfree (ci);
-}
-#endif
 
 void
 rld_put_led (mpi_t * pi, u_int32_t ledval)
···
     atomic_add (len, &ci->tx_pending);
     ch->s.tx_packets++;
     ch->s.tx_bytes += len;
-#if 0
-    spin_unlock_irqrestore (&ch->ch_txlock, flags);   /* allow pending
-                                                       * interrupt to sneak
-                                                       * thru */
-#endif
-
     /*
      * If an ONR was seen, then channel requires poking to restart
      * transmission.
      */
     if (ch->ch_start_tx)
     {
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,41)
-        SD_SEM_TAKE (&ci->sem_wdbusy, "_wd_");  /* only 1 thru here, per
-                                                 * board */
-        if ((ch->ch_start_tx == CH_START_TX_ONR) && (ch->p.chan_mode == CFG_CH_PROTO_TRANS))
-        {
-            /* ONR restart transmission from background loop */
-            ci->wd_notify = WD_NOTIFY_ONR;      /* enabled global watchdog
-                                                 * scan-thru  */
-        } else
-        {
-            /* start first transmission from background loop */
-            ci->wd_notify = WD_NOTIFY_1TX;      /* enabled global watchdog
-                                                 * scan-thru  */
-        }
         musycc_chan_restart (ch);
-        SD_SEM_GIVE (&ci->sem_wdbusy);
-#else
-        musycc_chan_restart (ch);
-#endif
     }
 #ifdef SBE_WAN256T3_ENABLE
     wan256t3_led (ci, LED_TX, LEDV_G);
···
     return 0;
 }
 
-
-#if 0
-int
-musycc_set_chan (ci_t * ci, int channum, struct sbecom_chan_param * p)
-{
-    mch_t      *ch;
-    int         rok = 0;
-    int         n = 0;
-
-    if (channum < 0 || channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS))      /* sanity chk param */
-        return ECHRNG;
-    if (!(ch = sd_find_chan (ci, channum)))
-        return ENOENT;
-    if (ch->channum != p->channum)
-        return EINVAL;
-    if (sd_line_is_ok (ch->user))
-    {
-        rok = 1;
-        sd_line_is_down (ch->user);
-    }
-    if (ch->state == UP &&          /* bring down in current configuration */
-        (ch->p.status != p->status ||
-         ch->p.chan_mode != p->chan_mode ||
-         ch->p.intr_mask != p->intr_mask ||
-         ch->txd_free < ch->txd_num))
-    {
-        if ((n = musycc_chan_down (ci, channum)))
-            return n;
-        if (ch->p.mode_56k != p->mode_56k)
-        {
-            ch->p = *p;             /* copy in new parameters */
-            musycc_update_timeslots (&ci->port[ch->channum / MUSYCC_NCHANS]);
-        } else
-            ch->p = *p;             /* copy in new parameters */
-        if ((n = musycc_chan_up (ci, channum)))
-            return n;
-        sd_enable_xmit (ch->user);  /* re-enable to catch flow controlled
-                                     * channel */
-    } else
-    {
-        if (ch->p.mode_56k != p->mode_56k)
-        {
-            ch->p = *p;             /* copy in new parameters */
-            musycc_update_timeslots (&ci->port[ch->channum / MUSYCC_NCHANS]);
-        } else
-            ch->p = *p;             /* copy in new parameters */
-    }
-
-    if (rok)
-        sd_line_is_up (ch->user);
-    return 0;
-}
-#endif
-
-
-int
-musycc_get_chan (ci_t * ci, int channum, struct sbecom_chan_param * p)
-{
-    mch_t      *ch;
-
-#if 0
-    if (channum < 0 || channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS))      /* sanity chk param */
-        return ECHRNG;
-#endif
-    if (!(ch = sd_find_chan (ci, channum)))
-        return ENOENT;
-    *p = ch->p;
-    return 0;
-}
-
-
-int
-musycc_get_chan_stats (ci_t * ci, int channum, struct sbecom_chan_stats * p)
-{
-    mch_t      *ch;
-
-    if (channum < 0 || channum >= (MUSYCC_NPORTS * MUSYCC_NCHANS))      /* sanity chk param */
-        return ECHRNG;
-    if (!(ch = sd_find_chan (ci, channum)))
-        return ENOENT;
-    *p = ch->s;
-    p->tx_pending = atomic_read (&ch->tx_pending);
-    return 0;
-}
-
-
-
-#ifdef SBE_WAN256T3_ENABLE
-int
-musycc_chan_down (ci_t * ci, int channum)
-{
-    mch_t      *ch;
-    mpi_t      *pi;
-    int         i, gchan;
-
-    if (!(ch = sd_find_chan (ci, channum)))
-        return EINVAL;
-    pi = ch->up;
-    gchan = ch->gchan;
-
-    /* Deactivate the channel */
-    musycc_serv_req (pi, SR_CHANNEL_DEACTIVATE | SR_RX_DIRECTION | gchan);
-    ch->ch_start_rx = 0;
-    musycc_serv_req (pi, SR_CHANNEL_DEACTIVATE | SR_TX_DIRECTION | gchan);
-    ch->ch_start_tx = 0;
-
-    if (ch->state == DOWN)
-        return 0;
-    ch->state = DOWN;
-
-    pi->regram->thp[gchan] = 0;
-    pi->regram->tmp[gchan] = 0;
-    pi->regram->rhp[gchan] = 0;
-    pi->regram->rmp[gchan] = 0;
-    FLUSH_MEM_WRITE ();
-    for (i = 0; i < ch->txd_num; i++)
-    {
-        if (ch->mdt[i].mem_token != 0)
-            OS_mem_token_free (ch->mdt[i].mem_token);
-    }
-
-    for (i = 0; i < ch->rxd_num; i++)
-    {
-        if (ch->mdr[i].mem_token != 0)
-            OS_mem_token_free (ch->mdr[i].mem_token);
-    }
-
-    OS_kfree (ch->mdt);
-    ch->mdt = 0;
-    OS_kfree (ch->mdr);
-    ch->mdr = 0;
-
-    return 0;
-}
-#endif
 
 /*** End-of-File ***/

drivers/staging/cxt1e1/pmc93x6_eeprom.c

···
     time_t      createTime;
     int         i;
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    createTime = CURRENT_TIME;
-#else
     createTime = get_seconds ();
-#endif
 
     /* use template data */
     for (i = 0; i < sizeof (FLD_TYPE2); ++i)

drivers/staging/cxt1e1/pmcc4.h

···
 
 #include "pmcc4_private.h"
 
-#if !(LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-char       *get_hdlc_name (hdlc_device *);
-
-#endif
-
-
 /*
  * external interface
  */

drivers/staging/cxt1e1/pmcc4_drv.c

···
 #define KERN_WARN KERN_WARNING
 
 /* forward references */
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
 status_t    c4_wk_chan_init (mpi_t *, mch_t *);
 void        c4_wq_port_cleanup (mpi_t *);
 status_t    c4_wq_port_init (mpi_t *);
 
-#endif
 int         c4_loop_port (ci_t *, int, u_int8_t);
 status_t    c4_set_port (ci_t *, int);
 status_t    musycc_chan_down (ci_t *, int);
···
 STATIC void
 c4_watchdog (ci_t * ci)
 {
-#if 0
-    //unsigned long flags;
-#endif
-
     if (drvr_state != SBE_DRVR_AVAILABLE)
     {
         if (log_level >= LOG_MONITOR)
             pr_info("drvr not available (%x)\n", drvr_state);
         return;
     }
-#if 0
-    SD_SEM_TAKE (&ci->sem_wdbusy, "_wd_");    /* only 1 thru here, per
-                                               * board */
-#endif
-
     ci->wdcount++;
     checkPorts (ci);
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,41)
-    if (ci->wd_notify)
-    {                               /* is there a state change to search for */
-        int         port, gchan;
-
-        ci->wd_notify = 0;          /* reset notification */
-        for (gchan = 0; gchan < MUSYCC_NCHANS; gchan++)
-        {
-            for (port = 0; port < ci->max_port; port++)
-            {
-                mch_t      *ch = ci->port[port].chan[gchan];
-
-                if (!ch || ci->state != C_RUNNING)      /* state changed while
-                                                         * acquiring semaphore */
-                    break;
-                if (ch->state == UP)/* channel must be set up */
-                {
-#if 0
-#ifdef RLD_TRANS_DEBUG
-                    if (1 || log_level >= LOG_MONITOR)
-#else
-                    if (log_level >= LOG_MONITOR)
-#endif
-                        pr_info("%s: watchdog reviving Port %d Channel %d [%d] sts %x/%x, start_TX %x free %x start_RX %x\n",
-                         ci->devname, ch->channum, port, gchan, ch->channum,
-                                ch->p.status, ch->status,
-                            ch->ch_start_tx, ch->txd_free, ch->ch_start_rx);
-#endif
-
-                    /**********************************/
-                    /** check for RX restart request **/
-                    /**********************************/
-
-                    if (ch->ch_start_rx &&
-                        (ch->status & RX_ENABLED))      /* requires start on
-                                                         * enabled RX */
-                    {
-                        ch->ch_start_rx = 0;    /* we are restarting RX... */
-#ifdef RLD_TRANS_DEBUG
-                        pr_info("++ c4_watchdog() CHAN RX ACTIVATE: chan %d\n",
-                                ch->channum);
-#endif
-#ifdef RLD_RXACT_DEBUG
-                        {
-                            struct mdesc *md;
-                            static int  hereb4 = 7;
-
-                            if (hereb4)
-                            {
-                                hereb4--;
-                                md = &ch->mdr[ch->rxix_irq_srv];
-                                pr_info("++ c4_watchdog[%d] CHAN RX ACTIVATE: rxix_irq_srv %d, md %p sts %x, rxpkt %lu\n",
-                                        ch->channum, ch->rxix_irq_srv, md, le32_to_cpu (md->status), ch->s.rx_packets);
-                                musycc_dump_rxbuffer_ring (ch, 1);      /* RLD DEBUG */
-                            }
-                        }
-#endif
-                        musycc_serv_req (ch->up, SR_CHANNEL_ACTIVATE | SR_RX_DIRECTION | gchan);
-                    }
-                    /**********************************/
-                    /** check for TX restart request **/
-                    /**********************************/
-
-                    if (ch->ch_start_tx &&
-                        (ch->status & TX_ENABLED))      /* requires start on
-                                                         * enabled TX */
-                    {
-                        struct mdesc *md;
-
-                        /*
-                         * find next unprocessed message, then set TX thp to
-                         * it
-                         */
-                        musycc_update_tx_thp (ch);
-
-#if 0
-                        spin_lock_irqsave (&ch->ch_txlock, flags);
-#endif
-                        md = ch->txd_irq_srv;
-                        if (!md)
-                        {
-                            pr_info("-- c4_watchdog[%d]: WARNING, starting NULL md\n",
-                                    ch->channum);
-                            pr_info("--   chan %d txd_irq_srv %p sts %x usr_add %p sts %x, txpkt %lu\n",
-                                    ch->channum, ch->txd_irq_srv, le32_to_cpu ((struct mdesc *) (ch->txd_irq_srv)->status),
-                                    ch->txd_usr_add, le32_to_cpu ((struct mdesc *) (ch->txd_usr_add)->status),
-                                    ch->s.tx_packets);
-#if 0
-                            spin_unlock_irqrestore (&ch->ch_txlock, flags);
-#endif
-                        } else if (md->data && ((le32_to_cpu (md->status)) & MUSYCC_TX_OWNED))
-                        {
-#ifdef RLD_TRANS_DEBUG
-                            pr_info("++ c4_watchdog[%d] CHAN TX ACTIVATE: start_tx %x\n",
-                                    ch->channum, ch->ch_start_tx);
-#endif
-                            ch->ch_start_tx = 0;        /* we are restarting
-                                                         * TX... */
-#if 0
-                            spin_unlock_irqrestore (&ch->ch_txlock, flags);   /* allow interrupts for
-                                                                               * service request */
-#endif
-                            musycc_serv_req (ch->up, SR_CHANNEL_ACTIVATE | SR_TX_DIRECTION | gchan);
-#ifdef RLD_TRANS_DEBUG
-                            if (1 || log_level >= LOG_MONITOR)
-#else
-                            if (log_level >= LOG_MONITOR)
-#endif
-                                pr_info("++ SACK[P%d/C%d] ack'd, continuing...\n",
-                                        ch->up->portnum, ch->channum);
-                        }
-                    }
-                }
-            }
-        }
-    }
-#else
     ci->wd_notify = 0;
-#endif
-#if 0
-    SD_SEM_GIVE (&ci->sem_wdbusy);/* release per-board hold */
-#endif
 }
 
 
···
         for (portnum = 0; portnum < ci->max_port; portnum++)
         {
             pi = &ci->port[portnum];
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
             c4_wq_port_cleanup (pi);
-#endif
             for (j = 0; j < MUSYCC_NCHANS; j++)
             {
                 if (pi->chan[j])
···
             }
             OS_kfree (pi->regram_saved);
         }
-#if 0
-        /* obsolete - watchdog is now static w/in ci_t */
-        OS_free_watchdog (ci->wd);
-#endif
         OS_kfree (ci->iqd_p_saved);
         OS_kfree (ci);
         ci = next;                  /* cleanup next board, if any */
···
         return EBUSY;               /* group needs initialization only for
                                      * first channel of a group */
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
     {
         status_t    ret;
 
···
                                                  * workqueue_struct */
             return (ret);
     }
-#endif
 
     init_comet (ci, pi->cometbase, pp->port_mode, 1 /* clockmaster == true */ , pp->portP);
     clck = pci_read_32 ((u_int32_t *) &ci->cpldbase->mclk) & PMCC4_CPLD_MCLK_MASK;
···
     spin_lock_init (&ch->ch_rxlock);
     spin_lock_init (&ch->ch_txlock);
 
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,41)
     {
         status_t    ret;
 
         if ((ret = c4_wk_chan_init (pi, ch)))
             return ret;
     }
-#endif
 
     /* save off interface assignments which bound a board */
     if (ci->first_if == 0)          /* first channel registered is assumed to
···
 
     if (ci->first_if)
     {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        np = (char *) hdlc_to_name (ci->first_if);
-#else
         {
             struct net_device *dev;
 
             dev = (struct net_device *) ci->first_if;
             np = (char *) dev->name;
         }
-#endif
         strncpy (bip->first_iname, np, CHNM_STRLEN - 1);
     } else
         strcpy (bip->first_iname, "<NULL>");
     if (ci->last_if)
     {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        np = (char *) hdlc_to_name (ci->last_if);
-#else
         {
             struct net_device *dev;
 
             dev = (struct net_device *) ci->last_if;
             np = (char *) dev->name;
         }
-#endif
         strncpy (bip->last_iname, np, CHNM_STRLEN - 1);
     } else
         strcpy (bip->last_iname, "<NULL>");
···
     if (!(dev = getuserbychan (iip->channum)))
         return ENOENT;
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    np = (char *) hdlc_to_name (dev_to_hdlc (dev));
-#else
     np = dev->name;
-#endif
     strncpy (iip->iname, np, CHNM_STRLEN - 1);
     return 0;
 }
···
     pci_write_32 ((u_int32_t *) &ci->reg->glcd, GCD_MAGIC | MUSYCC_GCD_INTB_DISABLE);
 #endif
 
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,4,20)
-    return;
-#else
     return IRQ_RETVAL (handled);
-#endif
 }
 
 

drivers/staging/cxt1e1/sbecom_inline_linux.h

···
 #else
 #include <linux/types.h>
 #include <linux/version.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
-#include <linux/config.h>
-#endif
 #if defined(CONFIG_SMP) && ! defined(__SMP__)
 #define __SMP__
 #endif
···
 
 #ifdef MODULE
 #ifdef MODVERSIONS
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#include <linux/modversions.h>
-#else
 #include <config/modversions.h>
-#endif
 #endif
 #include <linux/module.h>
 #endif
···
 struct watchdog
 {
     struct timer_list h;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-    struct tq_struct tq;
-#else
     struct work_struct work;
-#endif
     void       *softc;
     void        (*func) (void *softc);
     int         ticks;