linux-kernel - Re: [PATCH v20 5/5] arm64: dts: qcom: sc7180-trogdor: Add nodes for onboard USB hub

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Message-ID: <CAD=FV=XpF=BMKxjkX6xciWP=q=3qQ_dCusBX8KJ4GjubuqN2nQ@mail.gmail.com>
Date:   Tue, 15 Feb 2022 11:03:50 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Matthias Kaehlcke <mka@...omium.org>,
        Alan Stern <stern@...land.harvard.edu>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Felipe Balbi <balbi@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Peter Chen <peter.chen@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Roger Quadros <rogerq@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        Linux USB List <linux-usb@...r.kernel.org>,
        Bastien Nocera <hadess@...ess.net>,
        Ravi Chandra Sadineni <ravisadineni@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v20 5/5] arm64: dts: qcom: sc7180-trogdor: Add nodes for
 onboard USB hub

Hi,

On Tue, Feb 15, 2022 at 10:55 AM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> On Tue, Feb 15, 2022 at 09:54:54AM -0800, Doug Anderson wrote:
> > Hi,
> >
> > On Tue, Feb 8, 2022 at 11:21 AM Matthias Kaehlcke <mka@...omium.org> wrote:
> > >
> > > On Tue, Feb 08, 2022 at 11:57:20AM +0100, Greg Kroah-Hartman wrote:
> > > > On Wed, Jan 19, 2022 at 12:43:45PM -0800, Matthias Kaehlcke wrote:
> > > > > Add nodes for the onboard USB hub on trogdor devices. Remove the
> > > > > 'always-on' property from the hub regulator, since the regulator
> > > > > is now managed by the onboard_usb_hub driver.
> > > > >
> > > > > Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> > > > > Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> > > > > Reviewed-by: Douglas Anderson <dianders@...omium.org>
> > > > > ---
> > > >
> > > > No DT maintainer approval yet?  :(
> > >
> > > Bjorn usually just picks DT changes into the QCOM tree when they are
> > > ready, so I wouldn't interpret anything into the lack of an explicit
> > > Ack.
> >
> > Right, so the expectation is that this patch wouldn't land through the
> > USB tree but would instead land through the Qualcomm tree, probably a
> > revision after the code lands in the USB tree to avoid dependency
> > problems.
>
> But our tools pick up the whole series.  I can't just do "i will pick
> patches 1-4 only" easily, and neither can any other maintainer.
>
> Why not just get their ack so that I know it can come through the USB
> tree?  That's what normally happens for other changes like this where a
> driver change is required first.

Huh. That's the first time I've heard that and I'm pretty used to
patches in a series going through different trees, but it would be OK
w/ me if Bjorn was willing to Ack this. Bjorn: what say you? I guess
alternatively Matthias could send two series: one with the code and a
later one with the dts.

-Doug