Am Dienstag, 8. Juli 2003 23:39 schrieb Greg KH:
> On Tue, Jul 08, 2003 at 04:08:41PM -0400, Alan Stern wrote:
> > .txt. But do you really need all these device
> > numbers? Consider using devfs, which does dynamic device number
> > assignment.
>
> It does? Through what calls?
devfs_register():
if ( ( S_ISCHR (mode) || S_ISBLK (mode) ) &&
(flags & DEVFS_FL_AUTO_DEVNUM) )
{
if ( kdev_none ( devnum = devfs_alloc_devnum (devtype) ) )
{
PRINTK ("(%s): exhausted %s device numbers\n",
name, S_ISCHR (mode) ? "char" : "block");
return NULL;
}
major = major (devnum);
minor = minor (devnum);
}
At least in 2.4. Recently a lot of changes were done to devfs
in 2.5.
Regards
Oliver
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