Messages in this thread | | | Date | Wed, 17 Nov 2004 09:53:59 -0800 | From | Greg KH <> | Subject | Re: [RFC] [PATCH] driver core: allow userspace to unbind drivers from devices. |
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On Wed, Nov 17, 2004 at 02:07:14AM -0500, Dmitry Torokhov wrote: > On Tuesday 16 November 2004 03:17 pm, Greg KH wrote: > > > 2.) I don't like having an "unbind" file. > > > > Why? > > I do not like interfaces accepting and encouraging writing garbage data. What > value sould be written into "unbind"? Yes, any junk.
Ok, we restrict it to working only if you write a "1" into it. That was an easy fix :)
> > So, when a device is not bound to a driver, there will be no symlink, or > > a "unbind" file, only a "bind" file. ?Really there is only 1 "control" > > type file present at any single point in time. > > Does that imply that I can not rebind device while it is bound to a driver?
Yes. You must unbind it first.
> ("bind" would be missing it seems). And what about all other flavors of that > operation - rescan, reconnect? Do we want to have separate attributes for > them as well?
rescan is a bus specific thing, not a driver or device thing. reconnect would be the same as "unbind" + "bind" and you can do that with the scheme I posted.
thanks,
greg k-h - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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