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| author |  Dmitry Osipenko <digetx@gmail.com>
| 2020-02-09 19:33:56 +0300 |
|---|---|---|
| committer |  Vinod Koul <vkoul@kernel.org>
| 2020-02-25 11:57:34 +0530 |
| commit | 01b66a7521274c1f208010db49af2a3d8e274400 (patch) | |
| tree | 21644af92c44930155ae2fb3641a1c45142e8b80 /drivers/dma/idxd/cdev.c | |
| parent | dmaengine: tegra-apb: Remove unused function argument (diff) | |
| download | linux-01b66a7521274c1f208010db49af2a3d8e274400.tar.gz linux-01b66a7521274c1f208010db49af2a3d8e274400.tar.bz2 linux-01b66a7521274c1f208010db49af2a3d8e274400.zip | |
dmaengine: tegra-apb: Improve error message about DMA underflow
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>
Diffstat (limited to 'drivers/dma/idxd/cdev.c')
0 files changed, 0 insertions, 0 deletions