dmaengine: hsu: speed up residue calculation

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There is no need to calculate an overall length of the descriptor each time we
call for DMA transfer status. Instead we do this at descriptor allocation stage
and keep the stored length for further usage.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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Andy Shevchenko 2015-11-17 18:00:30 +02:00 • committed by Vinod Koul

parent f94cf9f4c5

commit f0579c8cea

2 changed files with 5 additions and 13 deletions

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17

drivers/dma/hsu/hsu.c

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1

drivers/dma/hsu/hsu.h

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