dmaengine: k3-udma: convert tasklets to use new tasklet_setup() API
In preparation for unconditionally passing the
struct tasklet_struct pointer to all tasklet
callbacks, switch to using the new tasklet_setup()
and from_tasklet() to pass the tasklet pointer explicitly.
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200831103542.305571-36-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index de7bfc02..3ce0eb2 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -2909,9 +2909,9 @@ static void udma_desc_pre_callback(struct virt_dma_chan *vc,
* This tasklet handles the completion of a DMA descriptor by
* calling its callback and freeing it.
*/
-static void udma_vchan_complete(unsigned long arg)
+static void udma_vchan_complete(struct tasklet_struct *t)
{
- struct virt_dma_chan *vc = (struct virt_dma_chan *)arg;
+ struct virt_dma_chan *vc = from_tasklet(vc, t, task);
struct virt_dma_desc *vd, *_vd;
struct dmaengine_desc_callback cb;
LIST_HEAD(head);
@@ -3667,8 +3667,7 @@ static int udma_probe(struct platform_device *pdev)
vchan_init(&uc->vc, &ud->ddev);
/* Use custom vchan completion handling */
- tasklet_init(&uc->vc.task, udma_vchan_complete,
- (unsigned long)&uc->vc);
+ tasklet_setup(&uc->vc.task, udma_vchan_complete);
init_completion(&uc->teardown_completed);
INIT_DELAYED_WORK(&uc->tx_drain.work, udma_check_tx_completion);
}