Changelog: v2 -> v3: 1. Just add some description for this patch. v1 -> v2: 1. Give up removing the conversion, because of thoughtless, instead moved it into branch if (!is_device_dma_coherent(dev)). Thanks for Catalin's detailed explanation, I directly take some relies as comment in the code.
Zhen Lei (1): arm64/dma-mapping: reduce an unnecessary conversion for coherent DMA arch/arm64/mm/dma-mapping.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) -- 2.5.0
