Re: [PATCH 1/2] dma: Add interface to calculate data transferred

From: Vinod Koul
Date: Sun Oct 13 2013 - 12:19:25 EST


On Fri, Oct 11, 2013 at 06:33:43AM -0700, Greg KH wrote:
> On Fri, Oct 11, 2013 at 05:42:17PM -0400, Youquan Song wrote:
> > Currently, the DMA channel calculates its data transferred only at network
> > device driver. When other devices like UART or SPI etc, transfers data by DMA
> > mode, but it always shows 0 at /sys/class/dma/dma0chan*/bytes_transferred.
>
> Is that really a problem? I have never heard anyone complaining about
> it. Where are the reports of this?
Right, am not still getting the point on what is the problem that this series is
trying to fix..

~Vinod
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