linux-kernel - Re: [PATCH v5 00/61] dmaengine: Implement generic slave capabilities retrieval

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Message-ID: <20141208093246.GB27228@ldesroches-Latitude-E6320>
Date:	Mon, 8 Dec 2014 10:32:47 +0100
From:	Ludovic Desroches <ludovic.desroches@...el.com>
To:	Vinod Koul <vinod.koul@...el.com>
CC:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	<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 v5 00/61] dmaengine: Implement generic slave capabilities
 retrieval

On Mon, Dec 08, 2014 at 11:47:46AM +0530, Vinod Koul wrote:
> On Mon, Nov 17, 2014 at 02:41:54PM +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.
> 
> Okay managed to get this done. Apart from the two issues identified didn't
> find anything so applied and pushed to a branch
> "topic/slave_caps_device_control_fix"
> 
> Today did some compile tests and found few warnings, were trivial but I
> am worried about the testing of this code. Has anyone tested this, if so
> which platforms are covered Since I pushed base branch last night, Feng's
> bot covered it and all was OK. Looks like Feng's bot doesn't have wide
> coverage of arm platforms, wasn't there one run by arm guys which tries to
> test and boot, if so can we get this tested there please.

Tested with your branch on sama5d3 and sama5d4 so at_hdmac and at xdmac.

I have also sent some patches based on Maxime's series for at_xdmac.

Ludovic

> 
> So bit sceptical for merging now. I will send the patches which I have
> applied on top of this
> 
> Thanks
> -- 
> ~Vinod
> 
> --
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