On Wednesday 13 May 2015 10:15:35 Maxime Ripard wrote: > > Alternatively, you could leave the XOR_DESCRIPTOR_SWAP flag disabled > > and just swap the descriptors manually like a lot of other drivers > > do. You have to swap the mmio accesses anywya. > > That won't be easily doable however. > > Not only the endianness of the individual fields in the descriptor > changes, but changing the endianness also swaps the fields themselves > by pair of u32. > > You can see that here: > http://lxr.free-electrons.com/source/drivers/dma/mv_xor.h#L159 > > So I'm guessing that leaving it like it is was the more readable > solution. I see, yes that would get a bit ugly. Arnd -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
