stm32_i2c_prep_dma_xfer
int stm32_i2c_prep_dma_xfer(struct device *dev, struct stm32_i2c_dma *dma,
ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma,
ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma,
ret = stm32_i2c_prep_dma_xfer(i2c_dev->dev, i2c_dev->dma,