Re: [PATCH 04/10] spi: dw-mid: follow new DMAengine workflow

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On Wed, Sep 24, 2014 at 01:35:38PM +0300, Andy Shevchenko wrote:
> On Wed, 2014-09-24 at 09:44 +0100, Mark Brown wrote:
> > On Thu, Sep 18, 2014 at 08:08:54PM +0300, Andy Shevchenko wrote:
> > > Though intel-mid-dma does not follow a new DMA workflow let's prepare SPI DW
> > > driver for that.

> > I don't understand what this change is supposed to do - what is "a new
> > DMA workflow"?

> The client is obliged to call dma_async_issue_pending() which starts the
> actual transfers. Old DMA drivers do not follow this, since requirement
> was introduced in 2011 IIRC.

> Current DMA driver for spi-dw doesn't follow this, but dw_dmac does.

So be specific about it missing the call so someone reading the
changelog can understand what this is supposed to do.

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