dmaengine: bcm2835: move controlblock chain generation into separate method

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In preparation of adding slave_sg functionality this patch moves the
generation/allocation of bcm2835_desc and the building of
the corresponding DMA-control-block chain from bcm2835_dma_prep_dma_cyclic
into the newly created method bcm2835_dma_create_cb_chain.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

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Martin Sperl 2016-03-16 12:24:59 -07:00 • committed by Vinod Koul

parent a4dcdd849e

commit 92153bb534

1 changed files with 198 additions and 96 deletions

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drivers/dma/bcm2835-dma.c

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