#define NR_DMA_CHAIN           2
 
-static void txx9aclc_dma_tasklet(unsigned long data)
+static void txx9aclc_dma_tasklet(struct tasklet_struct *t)
 {
-       struct txx9aclc_dmadata *dmadata = (struct txx9aclc_dmadata *)data;
+       struct txx9aclc_dmadata *dmadata = from_tasklet(dmadata, t, tasklet);
        struct dma_chan *chan = dmadata->dma_chan;
        struct dma_async_tx_descriptor *desc;
        struct snd_pcm_substream *substream = dmadata->substream;
                        "playback" : "capture");
                return -EBUSY;
        }
-       tasklet_init(&dmadata->tasklet, txx9aclc_dma_tasklet,
-                    (unsigned long)dmadata);
+       tasklet_setup(&dmadata->tasklet, txx9aclc_dma_tasklet);
        return 0;
 }