linux-kernel - Re: [PATCH v1] Revert "software node: Simplify software_node

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Date:   Thu, 21 May 2020 10:40:52 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     Brendan Higgins <brendanhiggins@...gle.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        David Gow <davidgow@...gle.com>,
        Heidi Fahim <heidifahim@...gle.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH v1] Revert "software node: Simplify
 software_node_release() function"

On Wed 2020-05-20 11:21:49, Brendan Higgins wrote:
> On Wed, May 20, 2020 at 9:42 AM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> >
> > On Wed, May 20, 2020 at 05:02:27PM +0200, Petr Mladek wrote:
> > > On Thu 2020-02-27 16:00:01, Brendan Higgins wrote:
> >
> > > I have found similar report from a test robot, see
> > > https://lore.kernel.org/lkml/20200303002816.GW6548@shao2-debian/
> > >
> > >
> > > I was staring into it for a while and do not understand it. The revert
> > > makes sense. I wonder if it somehow changes the order in which
> > > the release methods are called.
> > >
> > > Anyway, reverting the revert makes test_printf working.
> >
> > There is a proper fix IIRC from Heikki in driver core (no link at hand, sorry).
> 
> The fix for this patch can be found here: https://lkml.org/lkml/2020/5/13/1070

Thanks for hint. This patch helped.

Best Regards,
Petr