ieee1394: remove devfs support

Devfs has been disabled in the last kernel releases, so let's
remove it from ieee1394core, raw1394, video1394, dv1394.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Dan Dennedy <dan@dennedy.org>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>

1 files changed, 2 insertions, 39 deletions

diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index efeaa944bd0a..85c2d4ca0def 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -73,7 +73,7 @@
   - fix all XXX showstoppers
   - disable IR/IT DMA interrupts on shutdown
   - flush pci writes to the card by issuing a read
-  - devfs and character device dispatching (* needs testing with Linux 2.2.x)
+  - character device dispatching
   - switch over to the new kernel DMA API (pci_map_*()) (* needs testing on platforms with IOMMU!)
   - keep all video_cards in a list (for open() via chardev), set file->private_data = video
   - dv1394_poll should indicate POLLIN when receiving buffers are available
@@ -1096,7 +1096,6 @@ static int do_dv1394_init_default(struct video_card *video)
 
         init.api_version = DV1394_API_VERSION;
         init.n_frames = DV1394_MAX_FRAMES / 4;
-        /* the following are now set via devfs */
         init.channel = video->channel;
         init.format = video->pal_or_ntsc;
         init.cip_n = video->cip_n;
@@ -1791,8 +1790,6 @@ static int dv1394_open(struct inode *inode, struct file *file)
 {
         struct video_card *video = NULL;
 
-        /* if the device was opened through devfs, then file->private_data
-           has already been set to video by devfs */
         if (file->private_data) {
                 video = (struct video_card*) file->private_data;
 
@@ -2211,7 +2208,7 @@ static int dv1394_init(struct ti_ohci *ohci, enum pal_or_ntsc format, enum modes
         video = kzalloc(sizeof(*video), GFP_KERNEL);
         if (!video) {
                 printk(KERN_ERR "dv1394: cannot allocate video_card\n");
-                goto err;
+                return -1;
         }
 
         video->ohci = ohci;
@@ -2266,37 +2263,14 @@ static int dv1394_init(struct ti_ohci *ohci, enum pal_or_ntsc format, enum modes
         list_add_tail(&video->list, &dv1394_cards);
         spin_unlock_irqrestore(&dv1394_cards_lock, flags);
 
-        if (devfs_mk_cdev(MKDEV(IEEE1394_MAJOR,
-                                IEEE1394_MINOR_BLOCK_DV1394*16 + video->id),
-                        S_IFCHR|S_IRUGO|S_IWUGO,
-                         "ieee1394/dv/host%d/%s/%s",
-                         (video->id>>2),
-                         (video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"),
-                         (video->mode == MODE_RECEIVE ? "in" : "out")) < 0)
-                        goto err_free;
-
         debug_printk("dv1394: dv1394_init() OK on ID %d\n", video->id);
-
         return 0;
-
- err_free:
-        kfree(video);
- err:
-        return -1;
 }
 
 static void dv1394_un_init(struct video_card *video)
 {
-        char buf[32];
-
         /* obviously nobody has the driver open at this point */
         do_dv1394_shutdown(video, 1);
-        snprintf(buf, sizeof(buf), "dv/host%d/%s/%s", (video->id >> 2),
-                (video->pal_or_ntsc == DV1394_NTSC ? "NTSC" : "PAL"),
-                (video->mode == MODE_RECEIVE ? "in" : "out")
-                );
-
-        devfs_remove("ieee1394/%s", buf);
         kfree(video);
 }
 
@@ -2333,9 +2307,6 @@ static void dv1394_remove_host (struct hpsb_host *host)
 
         class_device_destroy(hpsb_protocol_class,
                 MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)));
-        devfs_remove("ieee1394/dv/host%d/NTSC", id);
-        devfs_remove("ieee1394/dv/host%d/PAL", id);
-        devfs_remove("ieee1394/dv/host%d", id);
 }
 
 static void dv1394_add_host (struct hpsb_host *host)
@@ -2352,9 +2323,6 @@ static void dv1394_add_host (struct hpsb_host *host)
         class_device_create(hpsb_protocol_class, NULL, MKDEV(
                 IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_DV1394 * 16 + (id<<2)), 
                 NULL, "dv1394-%d", id);
-        devfs_mk_dir("ieee1394/dv/host%d", id);
-        devfs_mk_dir("ieee1394/dv/host%d/NTSC", id);
-        devfs_mk_dir("ieee1394/dv/host%d/PAL", id);
 
         dv1394_init(ohci, DV1394_NTSC, MODE_RECEIVE);
         dv1394_init(ohci, DV1394_NTSC, MODE_TRANSMIT);
@@ -2611,10 +2579,8 @@ MODULE_LICENSE("GPL");
 static void __exit dv1394_exit_module(void)
 {
         hpsb_unregister_protocol(&dv1394_driver);
-
         hpsb_unregister_highlevel(&dv1394_highlevel);
         cdev_del(&dv1394_cdev);
-        devfs_remove("ieee1394/dv");
 }
 
 static int __init dv1394_init_module(void)
@@ -2630,15 +2596,12 @@ static int __init dv1394_init_module(void)
                 return ret;
         }
 
-        devfs_mk_dir("ieee1394/dv");
-
         hpsb_register_highlevel(&dv1394_highlevel);
 
         ret = hpsb_register_protocol(&dv1394_driver);
         if (ret) {
                 printk(KERN_ERR "dv1394: failed to register protocol\n");
                 hpsb_unregister_highlevel(&dv1394_highlevel);
-                devfs_remove("ieee1394/dv");
                 cdev_del(&dv1394_cdev);
                 return ret;
         }