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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2015-11-17 18:00:30 +0200
committerVinod Koul <vinod.koul@intel.com>2015-12-05 14:00:34 +0530
commitf0579c8ceaf18adf1eca8b4404f9caac37208655 (patch)
tree9b8908cb2e7a97fa7409cc7dbf32a93ecc094a52 /drivers/extcon
parentf94cf9f4c54a72ccbd2078bb0cedd3691a71c431 (diff)
downloadlinux-f0579c8ceaf18adf1eca8b4404f9caac37208655.tar.bz2
dmaengine: hsu: speed up residue calculation
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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