spi: rspi: use correct enum for DMA transfer direction

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Use enum dma_transfer_direction as required by dmaengine_prep_slave_sg
instead of enum dma_data_direction. This won't change behavior in
practice as the enum values are equivalent.

This fixes two warnings when building with clang:
  drivers/spi/spi-rspi.c:538:26: warning: implicit conversion from enumeration
      type 'enum dma_data_direction' to different enumeration type
      'enum dma_transfer_direction' [-Wenum-conversion]
                                        rx->sgl, rx->nents, DMA_FROM_DEVICE,
                                                            ^~~~~~~~~~~~~~~
  drivers/spi/spi-rspi.c:558:26: warning: implicit conversion from enumeration
      type 'enum dma_data_direction' to different enumeration type
      'enum dma_transfer_direction' [-Wenum-conversion]
                                        tx->sgl, tx->nents, DMA_TO_DEVICE,
                                                            ^~~~~~~~~~~~~

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Mark Brown <broonie@kernel.org>

...

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Stefan Agner 2018-03-19 23:16:22 +01:00 • committed by Mark Brown

parent 7928b2cbe5

commit 768d59f5d0

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drivers/spi/spi-rspi.c

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