From: Rob Herring <robh@kernel.org>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: devicetree@vger.kernel.org, Sam Ravnborg <sam@ravnborg.org>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Thierry Reding <thierry.reding@gmail.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
linux-tegra@vger.kernel.org,
Frank Rowand <frowand.list@gmail.com>
Subject: Re: [PATCH v5 1/6] of_graph: add of_graph_get_local_port()
Date: Thu, 30 Apr 2020 09:10:10 -0500 [thread overview]
Message-ID: <20200430141010.GA4602@bogus> (raw)
In-Reply-To: <20200418170703.1583-2-digetx@gmail.com>
On Sat, 18 Apr 2020 20:06:58 +0300, Dmitry Osipenko wrote:
> In some case, like a DRM display code for example, it's useful to silently
> check whether port node exists at all in a device-tree before proceeding
> with parsing the graph.
>
> This patch adds of_graph_get_local_port() which returns pointer to a local
> port node, or NULL if graph isn't specified in a device-tree for a given
> device node.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> drivers/of/property.c | 32 +++++++++++++++++++++++---------
> include/linux/of_graph.h | 7 +++++++
> 2 files changed, 30 insertions(+), 9 deletions(-)
>
Reviewed-by: Rob Herring <robh@kernel.org>
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next prev parent reply other threads:[~2020-04-30 14:10 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-18 17:06 [PATCH v5 0/6] Support DRM bridges on NVIDIA Tegra Dmitry Osipenko
2020-04-18 17:06 ` [PATCH v5 1/6] of_graph: add of_graph_get_local_port() Dmitry Osipenko
2020-04-30 14:10 ` Rob Herring [this message]
2020-05-06 16:32 ` Sam Ravnborg
2020-05-11 20:27 ` Rob Herring
2020-04-18 17:06 ` [PATCH v5 2/6] drm/of: Make drm_of_find_panel_or_bridge() to check graph's presence Dmitry Osipenko
2020-05-06 16:41 ` Sam Ravnborg
2020-05-06 17:05 ` Dmitry Osipenko
2020-04-18 17:07 ` [PATCH v5 3/6] drm/tegra: output: Don't leak OF node on error Dmitry Osipenko
2020-05-06 16:42 ` Sam Ravnborg
2020-04-18 17:07 ` [PATCH v5 4/6] drm/tegra: output: Support DRM bridges Dmitry Osipenko
2020-05-06 16:43 ` Sam Ravnborg
2020-04-18 17:07 ` [PATCH v5 5/6] drm/tegra: output: rgb: Support LVDS encoder bridge Dmitry Osipenko
2020-05-06 16:45 ` Sam Ravnborg
2020-04-18 17:07 ` [PATCH v5 6/6] drm/tegra: output: rgb: Wrap directly-connected panel into DRM bridge Dmitry Osipenko
2020-04-25 17:02 ` Sam Ravnborg
2020-04-25 21:51 ` Dmitry Osipenko
2020-05-24 18:41 ` [PATCH v5 0/6] Support DRM bridges on NVIDIA Tegra Dmitry Osipenko
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