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.
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