[DMA] Next transfer returns number of remaining data #173
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3 tasks
richardeoin
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Dec 8, 2020
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ryan-summers
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Dec 15, 2020
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richardeoin
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Jan 5, 2021
…into dma This merge involved re-working much of #173
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This PR updates the DMA
next_transferto return the number of data that was not transferred. This is necessary for applications that are cancelled prematurely (e.g. in scatter-gather implementations where we gather as many data as possible in a fixed amount of time).