linux-kernel - Re: [PATCH v4 00/58] dmaengine: Implement generic slave capabilities retrieval

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Message-ID: <20141112131502.GN14919@lukather>
Date:	Wed, 12 Nov 2014 14:15:02 +0100
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Vinod Koul <vinod.koul@...el.com>
Cc:	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Antoine Ténart <antoine@...e-electrons.com>,
	Russell King <linux@....linux.org.uk>, lars@...afoo.de
Subject: Re: [PATCH v4 00/58] dmaengine: Implement generic slave capabilities
 retrieval

Hi,

On Wed, Nov 12, 2014 at 04:55:29PM +0530, Vinod Koul wrote:
> On Thu, Nov 06, 2014 at 03:33:49PM +0100, Maxime Ripard wrote:
> > Hi Vinod,
> > 
> > On Tue, Oct 28, 2014 at 10:25:15PM +0100, Maxime Ripard wrote:
> > > Hi,
> > > 
> > > As we discussed a couple of weeks ago, this is the third attempt at
> > > creating a generic behaviour for slave capabilities retrieval so that
> > > generic layers using dmaengine can actually rely on that.
> > > 
> > > That has been done mostly through two steps: by moving out the
> > > sub-commands of the device_control callback, so that the dmaengine
> > > core can then infer from that wether a sub-command is implemented, and
> > > then by moving the slave properties, such as the supported buswidth,
> > > to the structure dma_device itself.
> > > 
> > > Comments are as usual appreciated!
> > 
> > How can we move forward on this?
> > 
> > I didn't have any comments on this version, and gathered quite a lot
> > of Acked-by already.
> > 
> > Do you want me to rebase on top of your current next branch and send
> > you a pull request?
> 
> Hi Maxime,
> 
> Thanks for the huge cleanup work
> 
> I quickly looked thru the series and looks okay. I will do a detailed review
> in next couple of days and then host it on a topic branch so that Feng's
> robot can test it before merging it.

I know that it will break, because of the Atmel's XDMAC driver that
has been merged since. This is why I mentionned rebasing it ;)

FWIW, the branch I was using for this serie has been published like 3
weeks ago, and my git repo is built by Feng's bot, so there shouldn't
be any compiling issues.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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