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SubjectRe: [PATCH] Driver Core: remove driver model detach_state
On Wed, May 18, 2005 at 12:13:11PM +0200, Kay Sievers wrote:
> On Tue, 2005-05-17 at 15:12 -0700, Greg KH wrote:
> > [PATCH] Driver Core: remove driver model detach_state
> >
> > The driver model has a "detach_state" mechanism that:
> >
> > - Has never been used by any in-kernel drive;
> > - Is superfluous, since driver remove() methods can do the same thing;
> > - Became buggy when the suspend() parameter changed semantics and type;
> > - Could self-deadlock when called from certain suspend contexts;
> > - Is effectively wasted documentation, object code, and headspace.
> >
> > This removes that "detach_state" mechanism; net code shrink, as well
> > as a per-device saving in the driver model and sysfs.
>
> Huh, we need to fix a lot of userspace programs now. libsysfs depends on
> finding that file, udev waits for this to recognize sysfs population. I
> will go fix this where I know this is used, but be prepared for stupid
> failures... :)

Yeah, good catch, so that's why udev stoped working for me on some
custom rules...

Anyway, I think it was pretty stupid for libsysfs to depend on that
file, I'll work on fixing that up. Luckily, no one uses libsysfs :)

thanks,

greg k-h
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