* the same or smaller than the streaming DMA mask. */ static inline int dma_set_mask_and_coherent(struct device *dev, u64 mask) { int rc = dma_set_mask(dev, mask); if (rc == 0) dma_set_coherent_mask(dev, mask); return rc; }...
dma_set_mask_and_coherent出错 dma_setcurrdatacounter dma-1 error fatal error dma error dma-1 error dma_getitstatus dma setup auto-activate unable to set coherent dma mask dma test not applicable怎么办 dma_getcurrentmemorytarget dma timeout...