The 'offset' data member of the 'struct scatterlist' denotes the offset into a SG entry in bytes. But it seems that nearly all helper functions we are using will hardcode it to ZERO. Under such a case, it seems that take the 'offset' into accounts are just intoduce extra overhead. Waste CPU circles, then is it correct and safe for us do some simplification now? v1 -> v2 * Reword and fix typos and mistakes v1 Link: https://patchwork.freedesktop.org/series/140589/ Sui Jingfeng (3): drm/etnaviv: Drop offset in page manipulation drm/etnaviv: Fix the debug log of the etnaviv_iommu_map() drm/etnaviv: Improve VA, PA, SIZE alignment checking drivers/gpu/drm/etnaviv/etnaviv_mmu.c | 26 +++++++++++--------------- 1 file changed, 11 insertions(+), 15 deletions(-) -- 2.34.1