STM32_DMA_SCR
dma_scr = stm32_dma_read(dmadev, STM32_DMA_SCR(chan->id));
dma_scr = stm32_dma_read(dmadev, STM32_DMA_SCR(id));
scr = stm32_dma_read(dmadev, STM32_DMA_SCR(id));
reg = STM32_DMA_SCR(id);
dma_scr = stm32_dma_read(dmadev, STM32_DMA_SCR(chan->id));
stm32_dma_write(dmadev, STM32_DMA_SCR(chan->id), dma_scr);
u32 scr = stm32_dma_read(dmadev, STM32_DMA_SCR(chan->id));
stm32_dma_write(dmadev, STM32_DMA_SCR(chan->id), reg->dma_scr);
stm32_dma_write(dmadev, STM32_DMA_SCR(chan->id), reg->dma_scr);
dma_scr = stm32_dma_read(dmadev, STM32_DMA_SCR(id));
dma_scr = stm32_dma_read(dmadev, STM32_DMA_SCR(chan->id));
stm32_dma_write(dmadev, STM32_DMA_SCR(chan->id), dma_scr);
dma_scr = stm32_dma_read(dmadev, STM32_DMA_SCR(id));
stm32_dma_write(dmadev, STM32_DMA_SCR(chan->id), dma_scr);
stm32_dma_write(dmadev, STM32_DMA_SCR(chan->id), dma_scr);
scr = stm32_dma_read(dmadev, STM32_DMA_SCR(chan->id));
scr = stm32_dma_read(dmadev, STM32_DMA_SCR(id));
stm32_dma_write(dmadev, STM32_DMA_SCR(id), chan_reg.dma_scr);