Revert "Fix unwanted flush in the SPI slave driver" #13337
Merged
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Summary
Revert "Fix unwanted flush in the SPI slave driver"
Because if priv->rx_length is zero , need to call SPIS_CTRLR_QPOLL to receive new data from lower half and update priv->rx_length.
This reverts commit 6cb649e.
Impact
Bug fix for spislave read
Testing
Vela