From: Kay Sievers <kay.sievers@vrfy.org>
With this patch the floppy driver creates the usual symlink in sysfs to
the physical device backing the block device:
$tree /sys/block/
/sys/block/
|-- fd0
| |-- dev
| |-- device -> ../../devices/platform/floppy0
...
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/block/floppy.c | 19 ++++++-------------
1 files changed, 6 insertions(+), 13 deletions(-)
diff -puN drivers/block/floppy.c~floppy-add-sysfs-symlink drivers/block/floppy.c
--- 25/drivers/block/floppy.c~floppy-add-sysfs-symlink 2005-02-04 02:44:24.054675848 -0800
+++ 25-akpm/drivers/block/floppy.c 2005-02-04 02:44:24.061674784 -0800
@@ -4370,6 +4370,10 @@ int __init floppy_init(void)
goto out_flush_work;
}
+ err = platform_device_register(&floppy_device);
+ if (err)
+ goto out_flush_work;
+
for (drive = 0; drive < N_DRIVE; drive++) {
if (!(allowed_drive_mask & (1 << drive)))
continue;
@@ -4379,23 +4383,12 @@ int __init floppy_init(void)
disks[drive]->private_data = (void *)(long)drive;
disks[drive]->queue = floppy_queue;
disks[drive]->flags |= GENHD_FL_REMOVABLE;
+ disks[drive]->driverfs_dev = &floppy_device.dev;
add_disk(disks[drive]);
}
- err = platform_device_register(&floppy_device);
- if (err)
- goto out_del_disk;
-
return 0;
-out_del_disk:
- for (drive = 0; drive < N_DRIVE; drive++) {
- if (!(allowed_drive_mask & (1 << drive)))
- continue;
- if (fdc_state[FDC(drive)].version == FDC_NONE)
- continue;
- del_gendisk(disks[drive]);
- }
out_flush_work:
flush_scheduled_work();
if (usage_count)
@@ -4600,7 +4593,6 @@ void cleanup_module(void)
int drive;
init_completion(&device_release);
- platform_device_unregister(&floppy_device);
blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256);
unregister_blkdev(FLOPPY_MAJOR, "fd");
@@ -4614,6 +4606,7 @@ void cleanup_module(void)
}
put_disk(disks[drive]);
}
+ platform_device_unregister(&floppy_device);
devfs_remove("floppy");
del_timer_sync(&fd_timeout);
_