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Provide > vchan_dma_synchronize() with the DMAengine callback signature so these > drivers can assign it directly. > > Document the requirement to stop the channel and prevent new callbacks > before synchronization, and the context in which the callback wait may > run. Replace the equivalent wrappers in the existing drivers with the > shared helper, preserving their callback-wait and descriptor-cleanup > behavior. > > Suggested-by: Frank Li > Signed-off-by: James Hilliard > --- > drivers/dma/amba-pl08x.c | 11 ++--------- > drivers/dma/amd/ptdma/ptdma-dmaengine.c | 9 +-------- > drivers/dma/arm-dma350.c | 9 +-------- > drivers/dma/bcm2835-dma.c | 9 +-------- > drivers/dma/dma-axi-dmac.c | 9 +-------- > drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 9 +-------- > drivers/dma/fsl-edma-main.c | 9 +-------- > drivers/dma/fsl-qdma.c | 9 +-------- > drivers/dma/hisi_dma.c | 9 +-------- > drivers/dma/hsu/hsu.c | 9 +-------- > drivers/dma/idma64.c | 9 +-------- > drivers/dma/img-mdc-dma.c | 9 +-------- > drivers/dma/k3dma.c | 9 +-------- > drivers/dma/loongson/loongson1-apb-dma.c | 7 +------ > drivers/dma/loongson/loongson2-apb-cmc-dma.c | 9 +-------- > drivers/dma/loongson/loongson2-apb-dma.c | 14 +------------- > drivers/dma/milbeaut-hdmac.c | 7 +------ > drivers/dma/milbeaut-xdmac.c | 7 +------ > drivers/dma/stm32/stm32-dma.c | 9 +-------- > drivers/dma/stm32/stm32-dma3.c | 9 +-------- > drivers/dma/stm32/stm32-mdma.c | 9 +-------- > drivers/dma/tegra210-adma.c | 9 +-------- > drivers/dma/ti/edma.c | 11 ++--------- > drivers/dma/ti/omap-dma.c | 9 +-------- > drivers/dma/uniphier-mdmac.c | 7 +------ > drivers/dma/uniphier-xdmac.c | 7 +------ > drivers/dma/virt-dma.h | 15 +++++++++++++++ > 27 files changed, 43 insertions(+), 205 deletions(-) Thanks do such cleanup. Reviewed-by: Frank Li