On Mon, Oct 09, 2023 at 01:10:26PM +0200, Geert Uytterhoeven wrote: > RISCV_DMA_NONCOHERENT does not select DMA_GLOBAL_POOL, > ARCH_R9A07G043 selects DMA_GLOBAL_POOL. > RISCV_DMA_NONCOHERENT does select DMA_DIRECT_REMAP if MMU. Yeah, and we'll basically need to split RISCV_DMA_NONCOHERENT into an option for each type of non-coherent support. This is why we should never have added support for any of the non-standard versions, as it's turning into a giant mess.