dma_callback
tx->callback = dma_callback;
tx->callback = dma_callback;
rxdesc->callback = dma_callback;
rxdesc->callback = dma_callback;
rxdesc->callback = dma_callback;
controller->dma_callback = da8xx_dma_controller_callback;
if (controller->controller.dma_callback)
controller->controller.dma_callback(&controller->controller);
void (*dma_callback)(struct dma_controller *);
controller->dma_callback = dsps_dma_controller_callback;
if (lcdc.dma_callback)
lcdc.dma_callback = callback;
lcdc.dma_callback = NULL;
if (lcdc.dma_callback)
lcdc.dma_callback(lcdc.dma_callback_data);
void (*dma_callback)(void *data);
typedef void (*dma_callback)(void *arg);
dma_callback callback[2];