dmaengine: shdma: fix a regression: initialise DMA channels for memcpy

A recent patch has introduced a regression, where repeating a memcpy
DMA test with shdma module unloading between them skips the DMA channel
configuration. Fix this regression by always configuring the channel
during its allocation.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
(cherry picked from commit a1b2cc50679c1d2eed44e2885f6178ce907498b7)

Signed-off-by: Simon Horman <horms@verge.net.au>
1 file changed