linux-kernel - Re: [PATCH v7 1/4] drm/layerscape: Add Freescale DCU DRM driver

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Date:	Sat, 11 Jul 2015 15:15:43 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Jianwei Wang <jianwei.wang@...escale.com>
Cc:	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	airlied@...ux.ie, daniel.vetter@...ll.ch, mark.yao@...k-chips.com,
	scottwood@...escale.com, thierry.reding@...il.com,
	Alison Wang <b18965@...escale.com>,
	Xiubo Li <lixiubo@...s.chinamobile.com>
Subject: Re: [PATCH v7 1/4] drm/layerscape: Add Freescale DCU DRM driver

A question and a nit follow.

On vr, 2015-07-10 at 19:17 +0800, Jianwei Wang wrote:
> --- /dev/null
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.c

> +MODULE_ALIAS("platform:fsl-dcu-drm");

Question: this appears to be only useful if there's a corresponding
struct platform_device. That is, a platform_device with a "fsl-dcu-drm"
.name. It will fire off a "MODALIAS=platform:fsl-dcu-drm" uevent when
it's created.

I couldn't find this corresponding platform_device. Does it exist? Or is
this alias needed for some other reason?

> --- /dev/null
> +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_drv.h

> +#define DRIVER_NAME			"fsl-dcu-drm"

Nit: I don't think DRIVER_NAME is actually used anywhere.

Thanks,


Paul Bolle
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