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>

5 files changed, 5 insertions, 73 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;
         }
diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c
index 25ef5a86f5f0..c0acaafe82d4 100644
--- a/drivers/ieee1394/ieee1394_core.c
+++ b/drivers/ieee1394/ieee1394_core.c
@@ -1078,17 +1078,10 @@ static int __init ieee1394_init(void)
                 goto exit_release_kernel_thread;
         }
 
-        /* actually this is a non-fatal error */
-        ret = devfs_mk_dir("ieee1394");
-        if (ret < 0) {
-                HPSB_ERR("unable to make devfs dir for device major %d!\n", IEEE1394_MAJOR);
-                goto release_chrdev;
-        }
-
         ret = bus_register(&ieee1394_bus_type);
         if (ret < 0) {
                 HPSB_INFO("bus register failed");
-                goto release_devfs;
+                goto release_chrdev;
         }
 
         for (i = 0; fw_bus_attrs[i]; i++) {
@@ -1099,7 +1092,7 @@ static int __init ieee1394_init(void)
                                                 fw_bus_attrs[i--]);
                         }
                         bus_unregister(&ieee1394_bus_type);
-                        goto release_devfs;
+                        goto release_chrdev;
                 }
         }
 
@@ -1152,8 +1145,6 @@ release_all_bus:
         for (i = 0; fw_bus_attrs[i]; i++)
                 bus_remove_file(&ieee1394_bus_type, fw_bus_attrs[i]);
         bus_unregister(&ieee1394_bus_type);
-release_devfs:
-        devfs_remove("ieee1394");
 release_chrdev:
         unregister_chrdev_region(IEEE1394_CORE_DEV, 256);
 exit_release_kernel_thread:
@@ -1191,7 +1182,6 @@ static void __exit ieee1394_cleanup(void)
         hpsb_cleanup_config_roms();
 
         unregister_chrdev_region(IEEE1394_CORE_DEV, 256);
-        devfs_remove("ieee1394");
 }
 
 module_init(ieee1394_init);
diff --git a/drivers/ieee1394/ieee1394_core.h b/drivers/ieee1394/ieee1394_core.h
index b35466023f00..50c69c767b5d 100644
--- a/drivers/ieee1394/ieee1394_core.h
+++ b/drivers/ieee1394/ieee1394_core.h
@@ -3,7 +3,6 @@
 #define _IEEE1394_CORE_H
 
 #include <linux/slab.h>
-#include <linux/devfs_fs_kernel.h>
 #include <asm/atomic.h>
 #include <asm/semaphore.h>
 #include "hosts.h"
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index 19f26c5c9479..f7de546f2ed6 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -41,7 +41,6 @@
 #include <linux/cdev.h>
 #include <asm/uaccess.h>
 #include <asm/atomic.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/compat.h>
 
 #include "csr1212.h"
@@ -2999,9 +2998,6 @@ static int __init init_raw1394(void)
                 goto out_unreg;
         }
 
-        devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, IEEE1394_MINOR_BLOCK_RAW1394 * 16),
-                      S_IFCHR | S_IRUSR | S_IWUSR, RAW1394_DEVICE_NAME);
-
         cdev_init(&raw1394_cdev, &raw1394_fops);
         raw1394_cdev.owner = THIS_MODULE;
         kobject_set_name(&raw1394_cdev.kobj, RAW1394_DEVICE_NAME);
@@ -3023,7 +3019,6 @@ static int __init init_raw1394(void)
         goto out;
 
       out_dev:
-        devfs_remove(RAW1394_DEVICE_NAME);
         class_device_destroy(hpsb_protocol_class,
                              MKDEV(IEEE1394_MAJOR,
                                    IEEE1394_MINOR_BLOCK_RAW1394 * 16));
@@ -3039,7 +3034,6 @@ static void __exit cleanup_raw1394(void)
                              MKDEV(IEEE1394_MAJOR,
                                    IEEE1394_MINOR_BLOCK_RAW1394 * 16));
         cdev_del(&raw1394_cdev);
-        devfs_remove(RAW1394_DEVICE_NAME);
         hpsb_unregister_highlevel(&raw1394_highlevel);
         hpsb_unregister_protocol(&raw1394_driver);
 }
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 216dbbf1dc8e..4e3bd62c458d 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -42,7 +42,6 @@
 #include <linux/poll.h>
 #include <linux/smp_lock.h>
 #include <linux/delay.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/bitops.h>
 #include <linux/types.h>
 #include <linux/vmalloc.h>
@@ -1322,9 +1321,6 @@ static void video1394_add_host (struct hpsb_host *host)
         class_device_create(hpsb_protocol_class, NULL, MKDEV(
                 IEEE1394_MAJOR, minor), 
                 NULL, "%s-%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
-        devfs_mk_cdev(MKDEV(IEEE1394_MAJOR, minor),
-                       S_IFCHR | S_IRUSR | S_IWUSR,
-                       "%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
 }
 
 
@@ -1332,12 +1328,9 @@ static void video1394_remove_host (struct hpsb_host *host)
 {
         struct ti_ohci *ohci = hpsb_get_hostinfo(&video1394_highlevel, host);
 
-        if (ohci) {
+        if (ohci)
                 class_device_destroy(hpsb_protocol_class, MKDEV(IEEE1394_MAJOR,
                         IEEE1394_MINOR_BLOCK_VIDEO1394 * 16 + ohci->host->id));
-                devfs_remove("%s/%d", VIDEO1394_DRIVER_NAME, ohci->host->id);
-        }
-        
         return;
 }
 
@@ -1478,12 +1471,8 @@ static long video1394_compat_ioctl(struct file *f, unsigned cmd, unsigned long a
 static void __exit video1394_exit_module (void)
 {
         hpsb_unregister_protocol(&video1394_driver);
-
         hpsb_unregister_highlevel(&video1394_highlevel);
-
-        devfs_remove(VIDEO1394_DRIVER_NAME);
         cdev_del(&video1394_cdev);
-
         PRINT_G(KERN_INFO, "Removed " VIDEO1394_DRIVER_NAME " module");
 }
 
@@ -1500,15 +1489,12 @@ static int __init video1394_init_module (void)
                 return ret;
         }
 
-        devfs_mk_dir(VIDEO1394_DRIVER_NAME);
-
         hpsb_register_highlevel(&video1394_highlevel);
 
         ret = hpsb_register_protocol(&video1394_driver);
         if (ret) {
                 PRINT_G(KERN_ERR, "video1394: failed to register protocol");
                 hpsb_unregister_highlevel(&video1394_highlevel);
-                devfs_remove(VIDEO1394_DRIVER_NAME);
                 cdev_del(&video1394_cdev);
                 return ret;
         }