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Message-ID: <Yel+0DrtWm5I9JrL@google.com>
Date:   Thu, 20 Jan 2022 07:25:04 -0800
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Christoph Hellwig <hch@...radead.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>, devicetree@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Peter Chen <peter.chen@...nel.org>,
        linux-kernel@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Roger Quadros <rogerq@...nel.org>,
        Michal Simek <michal.simek@...inx.com>,
        linux-usb@...r.kernel.org, Bastien Nocera <hadess@...ess.net>,
        Ravi Chandra Sadineni <ravisadineni@...omium.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH v20 2/5] driver core: Export device_is_bound()

On Thu, Jan 20, 2022 at 08:45:24AM +0100, Greg Kroah-Hartman wrote:
> On Wed, Jan 19, 2022 at 11:29:18PM -0800, Christoph Hellwig wrote:
> > On Wed, Jan 19, 2022 at 12:43:42PM -0800, Matthias Kaehlcke wrote:
> > > Export device_is_bound() to enable its use by drivers that are
> > > built as modules.
> > > 
> > > Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> > > Reviewed-by: Douglas Anderson <dianders@...omium.org>
> > > Reviewed-by: Stephen Boyd <swboyd@...omium.org>
> > 
> > Didn't Greg clearly NAK this the last few times it came up?
> 
> Yes, which is why this series is _WAY_ on the bottom of my list for
> reviews...

I wasn't aware of that prior discussion, it would have helped to know
that this is a major concern for you ...

If using device_is_bound() is a no-go then _find_onboard_hub() of
the onboard_hub driver could make it's decision based on the
presence (or absence) of drvdata, which is what the function ultimately
returns.

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