On Tue, Aug 09, 2016 at 06:20:01PM +0530, Vignesh R wrote: > > > According to this thread[1], converting virtual address > pointer into scatterlist which is then DMA mapped is unsafe on systems > with certain cache architecture. Hence, I added code to handle kmap > buffers inside the driver rather than updating generic spi-core code. That's saying that things that aren't covered aren't DMAable safely at all which is a more general issue... > If its okay to update the spi_map_buf() to handle kmap buffers as above > then I can submit the patch accordingly. Yes, the whole point is that this is all in generic code so drivers don't need to worry about it.
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