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From:   Chen-Yu Tsai <wenst@chromium.org>
Date:   Mon, 9 Jan 2023 17:46:21 +0800
Message-ID: <CAGXv+5GG_K8ga_c6mZcyn2y8Ydi3FHs4K6s7e45OeRPdD80g7A@mail.gmail.com>
Subject: Re: [PATCH v9 1/9] device property: Add remote endpoint to devcon matcher
To:     Pin-yen Lin <treapking@chromium.org>
Cc:     Andrzej Hajda <andrzej.hajda@intel.com>,
        Neil Armstrong <neil.armstrong@linaro.org>,
        Robert Foss <robert.foss@linaro.org>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Daniel Scally <djrscally@gmail.com>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Sakari Ailus <sakari.ailus@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        Prashant Malani <pmalani@chromium.org>,
        Benson Leung <bleung@chromium.org>,
        Guenter Roeck <groeck@chromium.org>,
        Marek Vasut <marex@denx.de>, devicetree@vger.kernel.org,
        =?UTF-8?B?TsOtY29sYXMgRiAuIFIgLiBBIC4gUHJhZG8=?= 
        <nfraprado@collabora.com>, linux-acpi@vger.kernel.org,
        Allen Chen <allen.chen@ite.com.tw>,
        Javier Martinez Canillas <javierm@redhat.com>,
        dri-devel@lists.freedesktop.org,
        Stephen Boyd <swboyd@chromium.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Hsin-Yi Wang <hsinyi@chromium.org>,
        chrome-platform@lists.linux.dev, Xin Ji <xji@analogixsemi.com>,
        linux-kernel@vger.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
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On Mon, Jan 9, 2023 at 4:41 PM Pin-yen Lin <treapking@chromium.org> wrote:
>
> From: Prashant Malani <pmalani@chromium.org>
>
> When searching the device graph for device matches, check the
> remote-endpoint itself for a match.
>
> Some drivers register devices for individual endpoints. This allows
> the matcher code to evaluate those for a match too, instead
> of only looking at the remote parent devices. This is required when a
> device supports two mode switches in its endpoints, so we can't simply
> register the mode switch with the parent node.
>
> Signed-off-by: Prashant Malani <pmalani@chromium.org>
> Signed-off-by: Pin-yen Lin <treapking@chromium.org>

Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>

on MT8192 based Hayato (ASUS Chromebook Flip CM3200).