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From:   "Rafael J. Wysocki" <rafael@kernel.org>
Date:   Tue, 22 Jan 2019 17:54:45 +0100
Message-ID: <CAJZ5v0h1Q_dtJu7eXvs-7-bFRBBhLC158H1FKv96nE87rHv40A@mail.gmail.com>
Subject: Re: [PATCHv4 05/13] Documentation/ABI: Add new node sysfs attributes
To:     Keith Busch <keith.busch@intel.com>
Cc:     "Rafael J. Wysocki" <rafael@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Dan Williams <dan.j.williams@intel.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        Dave Hansen <dave.hansen@intel.com>
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On Tue, Jan 22, 2019 at 5:51 PM Rafael J. Wysocki <rafael@kernel.org> wrote:
>
> On Tue, Jan 22, 2019 at 5:37 PM Keith Busch <keith.busch@intel.com> wrote:
> >
> > On Sun, Jan 20, 2019 at 05:16:05PM +0100, Rafael J. Wysocki wrote:
> > > On Sat, Jan 19, 2019 at 10:01 AM Greg Kroah-Hartman
> > > <gregkh@linuxfoundation.org> wrote:
> > > >
> > > > If you do a subdirectory "correctly" (i.e. a name for an attribute
> > > > group), that's fine.
> > >
> > > Yes, that's what I was thinking about: along the lines of the "power"
> > > group under device kobjects.
> >
> > We can't append symlinks to an attribute group, though.
>
> That's right, unfortunately.

Scratch this.

You can add them using sysfs_add_link_to_group().  For example, see
what acpi_power_expose_list() does.