On 31/08/2020 13.35, Allen Pais wrote:
> 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.
Acked-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> Signed-off-by: Allen Pais <allen.lkml@xxxxxxxxx>
> ---
> drivers/dma/ti/k3-udma.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
> index c14e6cb105cd..59cd8770334c 100644
> --- a/drivers/dma/ti/k3-udma.c
> +++ b/drivers/dma/ti/k3-udma.c
> @@ -2914,9 +2914,9 @@ 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);
> @@ -3649,8 +3649,7 @@ 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);
> }
>
- Péter
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