diff options
Diffstat (limited to 'drivers/dma/xgene-dma.c')
| -rw-r--r-- | drivers/dma/xgene-dma.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/dma/xgene-dma.c b/drivers/dma/xgene-dma.c index 957c269ce1fd..3589b4ef50b8 100644 --- a/drivers/dma/xgene-dma.c +++ b/drivers/dma/xgene-dma.c @@ -287,6 +287,8 @@ struct xgene_dma_chan { /** * struct xgene_dma - internal representation of an X-Gene DMA device + * @dev: reference to this device's struct device + * @clk: reference to this device's clock * @err_irq: DMA error irq number * @ring_num: start id number for DMA ring * @csr_dma: base for DMA register access @@ -973,9 +975,9 @@ static enum dma_status xgene_dma_tx_status(struct dma_chan *dchan, return dma_cookie_status(dchan, cookie, txstate); } -static void xgene_dma_tasklet_cb(unsigned long data) +static void xgene_dma_tasklet_cb(struct tasklet_struct *t) { - struct xgene_dma_chan *chan = (struct xgene_dma_chan *)data; + struct xgene_dma_chan *chan = from_tasklet(chan, t, tasklet); /* Run all cleanup for descriptors which have been completed */ xgene_dma_cleanup_descriptors(chan); @@ -1537,8 +1539,7 @@ static int xgene_dma_async_register(struct xgene_dma *pdma, int id) INIT_LIST_HEAD(&chan->ld_pending); INIT_LIST_HEAD(&chan->ld_running); INIT_LIST_HEAD(&chan->ld_completed); - tasklet_init(&chan->tasklet, xgene_dma_tasklet_cb, - (unsigned long)chan); + tasklet_setup(&chan->tasklet, xgene_dma_tasklet_cb); chan->pending = 0; chan->desc_pool = NULL; @@ -1678,20 +1679,16 @@ static int xgene_dma_get_resources(struct platform_device *pdev, /* Get DMA error interrupt */ irq = platform_get_irq(pdev, 0); - if (irq <= 0) { - dev_err(&pdev->dev, "Failed to get Error IRQ\n"); + if (irq <= 0) return -ENXIO; - } pdma->err_irq = irq; /* Get DMA Rx ring descriptor interrupts for all DMA channels */ for (i = 1; i <= XGENE_DMA_MAX_CHANNEL; i++) { irq = platform_get_irq(pdev, i); - if (irq <= 0) { - dev_err(&pdev->dev, "Failed to get Rx IRQ\n"); + if (irq <= 0) return -ENXIO; - } pdma->chan[i - 1].rx_irq = irq; } |