On Wednesday 17 August 2016 12:12 AM, Mark Brown wrote: > 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. Ok, I will send another version updating spi_map_buf() to handle kmap buffers. Thanks! -- Regards Vignesh -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
