spi: dw-dma: Remove DMA Tx-desc passing around

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It's pointless to pass the Rx and Tx transfers DMA Tx-descriptors, since
they are used in the Tx/Rx submit method only. Instead just return the
submission status from these methods. This alteration will make the code
less complex.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20200920112322.24585-8-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Mark Brown <broonie@kernel.org>

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Serge Semin 2020-09-20 14:23:18 +03:00 • committed by Mark Brown

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commit 7a4d61f1dc

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drivers/spi/spi-dw-dma.c

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