Re: [PATCHSET 3/4] sysfs: divorce sysfs from kobject and driver model

Cornelia Huck
2007-10-10T16:17:00Z

On Wed, 10 Oct 2007 11:38:50 -0400 (EDT),
Alan Stern <stern@rowland.harvard.edu> wrote:

> On Tue, 9 Oct 2007, Greg KH wrote:
>
> > The rules for sysfs files are the following:
> > - one value, in text format, per file.
> > - no action apon open/close
> > - binary files are only allowed for "pass-through" type files
> > that the kernel does not touch (like for firmware and pci
> > config space)
> > - directories should be associated with a kobject where it makes
> > sense (no nesting deep subdirectories without a kobject
> > present)
>
> You have to stretch this a little for the power/ subdirectory every
> device gets. The only kobject it corresponds to is the one in the
> device, which already corresponds to the parent directory.

Yes, this should be "directories should be associated with a kobject or
generated by an attribute group". This way you won't get deep nesting
either.