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dmaengine: bcm2835-dma: Use vchan_terminate_vdesc() instead of desc_free
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Tue, 14 Nov 2017 14:32:07 +0000 (16:32 +0200)
committerVinod Koul <vinod.koul@intel.com>
Mon, 4 Dec 2017 17:03:51 +0000 (22:33 +0530)
commitde92436ac40ffe9933230aa503e24dbb5ede9201
treed5899ce6b48f379c79b084edcd363c4ccbfe47a0tree
parent174334bcd9f87286aead3b1a470a82348f9d43eccommit | diff
dmaengine: bcm2835-dma: Use vchan_terminate_vdesc() instead of desc_free

To avoid race with vchan_complete, use the race free way to terminate
running transfer.

Implement the device_synchronize callback to make sure that the terminated
descriptor is freed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/bcm2835-dma.c diff | blob | history
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