Response port can be disabled in the ip core configuration,
so allow not to specify one.

This patch serie is applicable on
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next

Olivier Dautricourt (2):
  dt-bindings: dma: altera-msgdma: make response port optional
  dmaengine: altera-msgdma: make response port optional

 .../devicetree/bindings/dma/altr,msgdma.yaml  |  4 +-
 drivers/dma/altera-msgdma.c                   | 37 +++++++++++++------
 2 files changed, 29 insertions(+), 12 deletions(-)


base-commit: 656758425f98693bd61a08f6b51c4c5aa26c9d50
--
2.31.0.rc2