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Message-ID: <CAJKOXPceXJ4UPu9HDAy5rb0zqfe98YyS0pXCNMiT4zjjxQ0+nQ@mail.gmail.com>
Date:   Fri, 26 Jul 2019 12:54:44 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Marek Szyprowski <m.szyprowski@...sung.com>
Cc:     linux-usb@...r.kernel.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Markus Reichl <m.reichl@...etechno.de>,
        Måns Rullgård <mans@...sr.com>,
        Peter Chen <peter.chen@....com>,
        Alan Stern <stern@...land.harvard.edu>,
        Rob Herring <robh+dt@...nel.org>
Subject: Re: [PATCH v2 1/3] dt-bindings: switch Exynos EHCI/OHCI bindings to
 use array of generic PHYs

On Fri, 26 Jul 2019 at 10:15, Marek Szyprowski <m.szyprowski@...sung.com> wrote:
>
> Commit 69bec7259853 ("USB: core: let USB device know device node") added
> support for attaching devicetree node for USB devices. Those nodes are
> children of their USB host controller. However Exynos EHCI and OHCI
> driver bindings already define child-nodes for each physical root hub
> port and assigns respective PHY controller and parameters to them. This
> leads to the conflict. A workaround for it has been merged as commit
> 01d4071486fe ("usb: exynos: add workaround for the USB device bindings
> conflict"), but it disabled support for USB device binding for Exynos
> EHCI/OHCI controllers.
>
> To resolve it properly, lets move PHYs from the sub-nodes to a standard
> array under the 'phys' property.
>
> Suggested-by: Måns Rullgård <mans@...sr.com>
> Reviewed-by: Rob Herring <robh@...nel.org>
> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> ---
>  .../devicetree/bindings/usb/exynos-usb.txt    | 41 +++++++------------
>  1 file changed, 14 insertions(+), 27 deletions(-)

Acked-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof

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