STM32_DMA_SCR_PSIZE_MASK
FIELD_PREP(STM32_DMA_SCR_PSIZE_MASK, src_bus_width) |
STM32_DMA_SCR_PSIZE_MASK | STM32_DMA_SCR_MSIZE_MASK |
width = FIELD_GET(STM32_DMA_SCR_PSIZE_MASK, dma_scr);
offset <<= FIELD_GET(STM32_DMA_SCR_PSIZE_MASK, chan_reg.dma_scr);
FIELD_PREP(STM32_DMA_SCR_PSIZE_MASK, dst_bus_width) |