linux-kernel - Re: [PATCH v4 5/6] drm/dsi: Add routine to unregister dsi device

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Message-ID: <20160121161257.GE647@ulmo.nvidia.com>
Date:	Thu, 21 Jan 2016 17:12:58 +0100
From:	Thierry Reding <treding@...dia.com>
To:	Archit Taneja <architt@...eaurora.org>
CC:	<dri-devel@...ts.freedesktop.org>, <a.hajda@...sung.com>,
	<jani.nikula@...ux.intel.com>, <linux-kernel@...r.kernel.org>,
	<airlied@...ux.ie>, <daniel@...ll.ch>, <l.stach@...gutronix.de>,
	<robh@...nel.org>, <linux-arm-msm@...r.kernel.org>
Subject: Re: [PATCH v4 5/6] drm/dsi: Add routine to unregister dsi device

On Thu, Dec 10, 2015 at 06:11:39PM +0530, Archit Taneja wrote:
> A driver calling mipi_dsi_device_new might want to unregister the device
> once it's done. It might also require it in an error handling path in
> case something didn't go right.
> 
> Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>
> Signed-off-by: Archit Taneja <architt@...eaurora.org>
> ---
>  include/drm/drm_mipi_dsi.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
> index cb084af..410d8b5 100644
> --- a/include/drm/drm_mipi_dsi.h
> +++ b/include/drm/drm_mipi_dsi.h
> @@ -195,6 +195,11 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
>  
>  struct mipi_dsi_device *mipi_dsi_device_new(struct mipi_dsi_host *host,
>  					    struct mipi_dsi_device_info *info);
> +static inline void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi)
> +{
> +	device_unregister(&dsi->dev);
> +}

This is the same, essentially, as mipi_dsi_remove_device_fn(). I think
this should move into drm_mipi_dsi.c and mipi_dsi_remove_device_fn()
should call this new function so that both OF and !OF share the same
code for this.

Thierry

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