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| author | Stephen Barber <smbarber@chromium.org> | 2016-11-01 16:44:27 -0700 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-11-14 10:30:06 +0530 |
| commit | c44da03dd517c11c2b3525937b0a241fc1c69399 (patch) | |
| tree | a20a9a2e69c0dfc232978911ee4ff480aeb8729c /drivers/dma/imx-sdma.c | |
| parent | 9a1a34f3c8612864f18a71febc134957a03eca64 (diff) | |
| download | talos-obmc-linux-c44da03dd517c11c2b3525937b0a241fc1c69399.tar.gz talos-obmc-linux-c44da03dd517c11c2b3525937b0a241fc1c69399.zip | |
dmaengine: pl330: Handle xferred count if DMAMOV hasn't finished
After executing DMAGO it's possible that a request can come in for the
current xferred count, but if that happens too soon then DMAMOV SAR/DAR
may not have yet completed. If that happens, we should explicitly return 0
since nothing has been transferred yet.
Signed-off-by: Stephen Barber <smbarber@chromium.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
0 files changed, 0 insertions, 0 deletions
