linux-kernel - Re: [PATCH 2/2] device core: Add flag to autoremove device link on supplier unbind

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Message-ID: <1982222.Z9Wz93BAKD@aspire.rjw.lan>
Date:   Wed, 11 Jul 2018 11:46:33 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Vivek Gautam <vivek.gautam@...eaurora.org>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Jonathan Corbet <corbet@....net>,
        Robin Murphy <robin.murphy@....com>,
        "open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH 2/2] device core: Add flag to autoremove device link on supplier unbind

On Thursday, July 5, 2018 6:28:16 AM CEST Vivek Gautam wrote:
> 
> On 7/5/2018 4:49 AM, Rafael J. Wysocki wrote:
> > On Wed, Jul 4, 2018 at 8:09 PM, Vivek Gautam
> > <vivek.gautam@...eaurora.org> wrote:
> >>
> >> On 7/4/2018 4:14 PM, Rafael J. Wysocki wrote:
> >>> On Wednesday, July 4, 2018 9:16:20 AM CEST Vivek Gautam wrote:
> >>>> Adding Ulf and Marek.
> >>>>
> >>>> On 6/27/2018 6:20 PM, Vivek Gautam wrote:
> >>>>> Add a flag to autoremove the device links on supplier driver
> >>>>> unbind. This obviates the need to explicitly delete the link
> >>>>> in the remove path.
> >>>>> We remove these links only when the supplier's link to its
> >>>>> consumers has gone to DL_STATE_SUPPLIER_UNBIND state.
> >>>>>
> >>>>> Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
> >>>>> Suggested-by: Lukas Wunner <lukas@...ner.de>
> >>>>> Cc: Jonathan Corbet <corbet@....net>
> >>>>> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> >>>>> Cc: Robin Murphy <robin.murphy@....com>
> >>>>> Cc: linux-doc@...r.kernel.org
> >>>>> Cc: linux-arm-kernel@...ts.infradead.org
> >>>>> Cc: linux-pm@...r.kernel.org
> >>>>> Cc: linux-arm-msm@...r.kernel.org
> >>>>> ---
> >>>> Hi Rafael, et al.
> >>>>
> >>>> Gentle ping.
> >>>> Do you have comments on this series. I would really like to conclude
> >>>> these
> >>>> device link additions sooner, and get things moving on the long awaited
> >>>> arm-smmu clock/runtime support series.
> >>>>
> >>>> Thanks again for reviewing these patches.
> >>> They are fine by me.
> >>>
> >>> I can queue them up for 4.19 if no one has objections (Greg in
> >>> particular).
> >>
> >> Hi Rafael,
> >>
> >> I will resubmit these 2 patches as part of the arm-smmu series, as one
> >> of the patch in the series depends on addition of
> >> DL_FLAG_AUTOREMOVE_SUPPLIER.
> >> So these 2 patches and arm-smmu series should go together.
> >> Can you please consider givnig your Ack?
> > I would prefer to apply them myself to be honest and put them on an
> > public git branch for you to pull from.
> 
> Sure. Fine with me. I will base the smmu patches on your branch.

The patches have been applied and are available for pulling in the pm-core
branch of the linux-pm.git tree:

git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git pm-core

Thanks,
Rafael