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Message-ID: <baa4ea4f-f498-b114-4eb9-af469b644a95@ti.com>
Date:   Fri, 26 Jul 2019 19:59:20 +0530
From:   Sekhar Nori <nsekhar@...com>
To:     Arnd Bergmann <arnd@...db.de>,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>,
        Linux Media Mailing List <linux-media@...r.kernel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
CC:     <laurent.pinchart@...asonboard.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        <linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>
Subject: Re: [PATCH] media: staging: davinci: remove vpfe driver

On 23/07/19 4:14 PM, Arnd Bergmann wrote:
> The davinci_vpfe driver was merged into staging back in 2012 by Manjunath
> Hadli from TI, with a long TODO list.
> 
> For all I can tell, since then it has only seen fixes for compile-time
> issues and global cleanups, but nobody has actually worked on the items
> on the TODO list.
> 
> To make things worse, the driver in its current form is incompatible with
> the platform code in arch/arm/mach-davinci, i.e. the driver expects to
> get its platform_data passed to the device as a 'struct vpfe_config',
> but uses a differnet definition for that structure compared to what the
> platform uses.
> 
> Finally, there is another driver for the same device in
> drivers/media/platform/davinci/vpfe_capture.c. From all I can tell, the
> staging version was originally a copy of a more featureful driver in TI's
> downstream kernels. However, that kernel no longer supports dm365 after
> linux-2.6.37, and the mainline version moved in a different direction.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Sekhar Nori <nsekhar@...com>

Thanks,
Sekhar

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