[PATCH 4.14 029/138] spi: sh-msiof: Fix timeout failures for TX-only DMA transfers

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Geert Uytterhoeven [ Upstream commit 89434c3c35081439627baa2225622d5bd12242fe ] When using RX (with or without TX), the DMA interrupt triggers completion when the RX

[PATCH 4.14 029/138] spi: sh-msiof: Fix timeout failures for TX-only DMA transfers

4.14-stable review patch. If anyone has any objections, please let me know. -- From: Geert Uytterhoeven [ Upstream commit 89434c3c35081439627baa2225622d5bd12242fe ] When using RX (with or without TX), the DMA interrupt triggers completion when the RX FIFO has been emptied,