linux-kernel - Re: [PATCH RFC 04/15] drm/dsi: Do not add DSI devices for the child nodes with input-port property

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Message-ID: <20141210122105.GC23558@ulmo.nvidia.com>
Date:	Wed, 10 Dec 2014 13:21:07 +0100
From:	Thierry Reding <thierry.reding@...il.com>
To:	Liu Ying <Ying.Liu@...escale.com>
Cc:	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	p.zabel@...gutronix.de, shawn.guo@...aro.org,
	kernel@...gutronix.de, linux@....linux.org.uk,
	mturquette@...aro.org, airlied@...ux.ie
Subject: Re: [PATCH RFC 04/15] drm/dsi: Do not add DSI devices for the child
 nodes with input-port property

On Wed, Dec 10, 2014 at 04:37:17PM +0800, Liu Ying wrote:
> The MIPI DSI bus driver would try to add a DSI device for a host's every
> child node which contains the reg property.  Unfortunately, the existing
> i.MX6Q/SDL MIPI DSI host device tree node's child nodes contain the reg

There aren't any existing nodes for the DSI host on i.MX. This patch
series adds support for them.

> property, but the child nodes are ports pointing to dedicated CRTCs.
> So, this patch phases out the child nodes with input-port property before
> adding DSI devices for them and updates the MIPI DSI bus OF binding
> documentation.
> 
> Signed-off-by: Liu Ying <Ying.Liu@...escale.com>
> ---
>  Documentation/devicetree/bindings/mipi/dsi/mipi-dsi-bus.txt | 4 ++++
>  drivers/gpu/drm/drm_mipi_dsi.c                              | 5 +++--
>  2 files changed, 7 insertions(+), 2 deletions(-)

Sorry, but NAK. There's no need for this special-case. I'll go into more
detail in response to patch 09/15.

Thierry

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