linux-kernel - Re: [PATCH 1/2] driver core: remove devm_device_remove

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Date:   Thu, 10 Nov 2022 14:07:51 +0100
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] driver core: remove devm_device_remove_groups()

On Thu, Nov 10, 2022 at 10:34 AM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Wed, Nov 09, 2022 at 01:10:59PM -0800, Dmitry Torokhov wrote:
> > On Wed, Nov 09, 2022 at 03:11:47PM +0100, Rafael J. Wysocki wrote:
> > > On Wed, Nov 9, 2022 at 3:07 PM Greg Kroah-Hartman
> > > <gregkh@...uxfoundation.org> wrote:
> > > >
> > > > There is no in-kernel user of this function, so it is not needed anymore
> > > > and can be removed.
> > > >
> > > > Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
> > > > Cc: "Rafael J. Wysocki" <rafael@...nel.org>
> > > > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > >
> > > For both patches in the series:
> > >
> > > Reviewed-by: Rafael J. Wysocki <rafael@...nel.org>
> >
> > I find it really weird to have an asymmetric core API...
>
> I'm working on fixing up that asymmetric-ness.  We have only one user of
> devm_device_add_groups() and only a handful of devm_device_add_group()
> left in the tree.
>
> But it turns out that no one ever called these functions anyway, so they
> aren't needed even if we did keep the "add" functions.  So they should
> be dropped no matter what.

Totally agreed.