dmaengine: tegra-apb: Improve error message about DMA underflow

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Technically it is possible that DMA could be misconfigured in a way that
cyclic DMA transfer is processed slower than it takes to complete the
cycle and in this case the DMA is getting aborted with a not very
informative message about the problem, let's improve it.

Suggested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20200209163356.6439-20-digetx@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Dmitry Osipenko 2020-02-09 19:33:56 +03:00 • committed by Vinod Koul

parent f261f1cd91

commit 01b66a7521

1 changed files with 1 additions and 1 deletions

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drivers/dma/tegra20-apb-dma.c

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