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authorLudovic Desroches <ludovic.desroches@atmel.com>2015-07-22 16:12:29 +0200
committerVinod Koul <vinod.koul@intel.com>2015-08-19 21:21:28 +0530
commite900c30dc1bb0cbc07708e9be1188f531632b2ef (patch)
tree2e4637c801f4e6a9051e57b9e06ef8133ed5cef2 /tools/perf/scripts/python/call-graph-from-postgresql.py
parentdmaengine: jz4780: Kill tasklets before unregistering the device (diff)
downloadlinux-dev-e900c30dc1bb0cbc07708e9be1188f531632b2ef.tar.xz
linux-dev-e900c30dc1bb0cbc07708e9be1188f531632b2ef.zip
dmaengine: at_xdmac: fix bug in prep_dma_cyclic
In cyclic mode, the round chaining has been broken by the introduction of at_xdmac_queue_desc(): AT_XDMAC_MBR_UBC_NDE is set for all descriptors excepted for the last one. at_xdmac_queue_desc() has to be called one more time to chain the last and the first descriptors. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Fixes: 0d0ee751f7f7 ("dmaengine: xdmac: Rework the chaining logic") Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
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