As the code is in the kernel tree, it's no longer needed.
Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
                if(test_bit(i, &line6pcm->active_urb_in)) {
                        if(!test_and_set_bit(i, &line6pcm->unlink_urb_in)) {
                                struct urb *u = line6pcm->urb_audio_in[i];
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 14)
-                               u->transfer_flags |= URB_ASYNC_UNLINK;
-#endif
                                usb_unlink_urb(u);
                        }
                }
 
 #define CONFIG_H
 
 
-#include <linux/version.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
-#include <linux/config.h>
-#endif
-
 #ifdef CONFIG_USB_DEBUG
 #define DEBUG 1
 #endif
 
 }
 
 static struct usb_driver line6_driver = {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 16)
-       .owner = THIS_MODULE,
-#endif
        .name = DRIVER_NAME,
        .probe = line6_probe,
        .disconnect = line6_disconnect,
 
 #include <linux/spinlock.h>
 #include <linux/usb.h>
 #include <linux/wait.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)
-#include <sound/driver.h>
-#endif
-
 #include <sound/core.h>
 
 #include "midi.h"
 
-
 #define DRIVER_NAME "line6usb"
 
 #define LINE6_TIMEOUT 1
 
 int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
 {
        struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
-       struct list_head *pos;
-#endif
        struct snd_pcm_substream *s;
        int err;
        unsigned long flags;
        spin_lock_irqsave(&line6pcm->lock_trigger, flags);
        clear_bit(BIT_PREPARED, &line6pcm->flags);
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
-       snd_pcm_group_for_each(pos, substream) {
-               s = snd_pcm_group_substream_entry(pos);
-#else
        snd_pcm_group_for_each_entry(s, substream) {
-#endif
                switch(s->stream) {
                case SNDRV_PCM_STREAM_PLAYBACK:
                        err = snd_line6_playback_trigger(s, cmd);
 
                if(test_bit(i, &line6pcm->active_urb_out)) {
                        if(!test_and_set_bit(i, &line6pcm->unlink_urb_out)) {
                                struct urb *u = line6pcm->urb_audio_out[i];
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 14)
-                               u->transfer_flags |= URB_ASYNC_UNLINK;
-#endif
                                usb_unlink_urb(u);
                        }
                }
 
        return line6_send_raw_message_async(&pod->line6, pod->buffer_versionreq, sizeof(pod_request_version));
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20)
 static void pod_create_files_work(struct work_struct *work)
 {
        struct usb_line6_pod *pod = container_of(work, struct usb_line6_pod, create_files_work);
-#else
-static void pod_create_files_work(void *work)
-{
-       struct usb_line6_pod *pod = (struct usb_line6_pod *)work;
-#endif
 
        pod_create_files(pod->firmware_version, pod->line6.properties->device_bit, pod->line6.ifcdev);
 }
 
                                /* Now we know the firmware version, so we schedule a bottom half
                                         handler to create the special files: */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20)
                                INIT_WORK(&pod->create_files_work, pod_create_files_work);
-#else
-                               INIT_WORK(&pod->create_files_work, pod_create_files_work, pod);
-#endif
                                queue_work(line6_workqueue, &pod->create_files_work);
                        }
                        else
 
 #define USBDEFS_H
 
 
-#include <linux/version.h>
-
-
 #define LINE6_VENDOR_ID  0x0e41
 
 #define USB_INTERVALS_PER_SECOND 1000
 #define LINE6_FALLBACK_INTERVAL 10
 #define LINE6_FALLBACK_MAXPACKETSIZE 16
 
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 18)
-#define usb_interrupt_msg(usb_dev, pipe, data, len, actual_length, timeout) \
-usb_bulk_msg(usb_dev, pipe, data, len, actual_length, timeout)
-#endif
-
-
 #endif