On Fri, Jun 27, 2014 at 11:50:57AM +0100, Mark Brown wrote:
> On Thu, Jun 26, 2014 at 04:06:21PM -0500, Andy Gross wrote:
>
> > + if (xfer->rx_buf) {
> > + rx_dma = dma_map_single(controller->dev, xfer->rx_buf,
> > + xfer->len, DMA_FROM_DEVICE);
>
> It would be better to use the core DMA mapping code rather than open
> coding. This code won't work for vmalloc()ed addresses, or physically
> non-contiguous addresses unless there's an IOMMU fixing things up.
Ah, ok. So I just need a to setup the scatter gather page list and then do a
dma_map_sg. I'll resend once I have this in place.
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