linux-kernel - Re: [PATCH V4 3/5] dmaengine/dw_dmac: Divide one sg to many desc, if sg len is greater than DWC_MAX

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Message-ID: <1304921462.32447.35.camel@vkoul-udesk3>
Date:	Mon, 09 May 2011 11:41:02 +0530
From:	"Koul, Vinod" <vinod.koul@...el.com>
To:	viresh kumar <viresh.kumar@...com>
Cc:	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Armando VISCONTI <armando.visconti@...com>,
	Shiraz HASHIM <shiraz.hashim@...com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"viresh.linux@...il.com" <viresh.linux@...il.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>
Subject: Re: [PATCH V4 3/5] dmaengine/dw_dmac: Divide one sg to many desc,
 if sg len is greater than DWC_MAX_COUNT

On Mon, 2011-05-09 at 12:03 +0530, viresh kumar wrote:
> On 05/09/2011 11:17 AM, Koul, Vinod wrote:
> > Ah, then there is another todo for this driver. Move from chan->private
> > to DMA_SLAVE_CONFIG.
> > 
> > struct dma_slave_config has dedicated fields for both source and
> > destination widths, src_addr_width & dst_addr_width please use them...
> > You should pass this structure to device control API as:
> > dmaengine_device_control(
> > 	chan, DMA_SLAVE_CONFIG, (unsigned long)&slave_config);
> 
> As soon as i get some time, will study & implement this.
> For now, please push this patchset (if it looks fine).
> 
rest looks OK. Please fix the patch1.


-- 
~Vinod

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