From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> This patch series is a subset from Arnd's original series [0]. Ive just picked up the bits required for RISC-V unification of cache flushing. Remaining patches from the series [0] will be taken care by Arnd soon. Cheers, Prabhakar v1->v2 * Dropped others archs * Included RB and ACKs * Fixed checkpatch issues V1: [0] https://patchwork.kernel.org/project/linux-riscv/cover/20230327121317.4081816-1-arnd@xxxxxxxxxx/ Arnd Bergmann (3): riscv: dma-mapping: only invalidate after DMA, not flush riscv: dma-mapping: skip invalidation before bidirectional DMA riscv: dma-mapping: replace custom code with generic implementation arch/riscv/mm/dma-noncoherent.c | 50 +++++++------- include/linux/dma-sync.h | 113 ++++++++++++++++++++++++++++++++ 2 files changed, 136 insertions(+), 27 deletions(-) create mode 100644 include/linux/dma-sync.h -- 2.34.1