linux-kernel - Re: [PATCH 3/3] staging: slimport: Add anx7814 driver support by analogix.

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Date:	Sun, 6 Sep 2015 23:46:16 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Enric Balletbo Serra <eballetbo@...il.com>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Javier Martinez Canillas <javier@...hile0.org>,
	span@...logixsemi.com, nathan.chung@...iatek.com
Subject: Re: [PATCH 3/3] staging: slimport: Add anx7814 driver support by
 analogix.

On Mon, Sep 07, 2015 at 07:41:08AM +0200, Enric Balletbo Serra wrote:
> 2015-09-07 1:27 GMT+02:00 Greg KH <gregkh@...uxfoundation.org>:
> > On Sun, Sep 06, 2015 at 11:14:02PM +0200, Enric Balletbo i Serra wrote:
> >> The ANX7814 is an ultra-low power Full-HD (1080p60) SlimPort transmitter
> >> designed for portable devices.
> >>
> >> This driver adds initial support and supports HDMI to DP pass-through mode.
> >>
> >> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> >> ---
> >>  drivers/staging/Kconfig                    |    2 +
> >>  drivers/staging/Makefile                   |    1 +
> >>  drivers/staging/slimport/Kconfig           |    7 +
> >>  drivers/staging/slimport/Makefile          |    4 +
> >>  drivers/staging/slimport/slimport.c        |  301 +++
> >>  drivers/staging/slimport/slimport.h        |   49 +
> >>  drivers/staging/slimport/slimport_tx_drv.c | 3293 ++++++++++++++++++++++++++++
> >>  drivers/staging/slimport/slimport_tx_drv.h |  254 +++
> >>  drivers/staging/slimport/slimport_tx_reg.h |  786 +++++++
> >
> > Why is this a staging driver?
> > What prevents it from being merged into the "real" part of the kernel
> > tree?
> >
> 
> I'll be glad to move the driver to their subsystem if you think it's a
> the better place. Basically there are two reasons why I send the
> driver to the staging directory. The first one is because my test
> environment is a bit limited, with my environment I can only test the
> HDMI to DisplayPort pass-through mode so the driver builds but it's
> partially tested. The second one is that I expect I'll need to
> refactor some code, specially in slimport_tx_drv.c file to be
> accepted, I decided not change too much this file from the original to
> not break the functionality, so I thought that will be better send
> first to the staging driver to have first reviews.
> 
> > All staging drivers need a TODO file, listing what needs to be done and
> > who is in charge of it.  I can't take this without that added.
> >
> 
> ok, I'll add in the next series once received some feedback (or move
> to the video subsystem)

I suggest trying to get it merged "properly" first before having to
fall-back to the staging subsystem.

thanks,

greg k-h
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