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. -- Andy Shevchenko <[email protected]> Intel Finland Oy -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
