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dmaengine: k3-udma: convert tasklets to use new tasklet_setup() API

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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>
This commit is contained in:
Allen Pais 2020-08-31 16:05:42 +05:30 committed by Vinod Koul
parent 6c1fd9ad2c
commit 2fa9bc98b5
1 changed files with 3 additions and 4 deletions
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7
drivers/dma/ti/k3-udma.c
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@ -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 * This tasklet handles the completion of a DMA descriptor by
* calling its callback and freeing it. * 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 virt_dma_desc *vd, *_vd;
struct dmaengine_desc_callback cb; struct dmaengine_desc_callback cb;
LIST_HEAD(head); LIST_HEAD(head);
@ -3667,8 +3667,7 @@ static int udma_probe(struct platform_device *pdev)
vchan_init(&uc->vc, &ud->ddev); vchan_init(&uc->vc, &ud->ddev);
/* Use custom vchan completion handling */ /* Use custom vchan completion handling */
tasklet_init(&uc->vc.task, udma_vchan_complete, tasklet_setup(&uc->vc.task, udma_vchan_complete);
(unsigned long)&uc->vc);
init_completion(&uc->teardown_completed); init_completion(&uc->teardown_completed);
INIT_DELAYED_WORK(&uc->tx_drain.work, udma_check_tx_completion); INIT_DELAYED_WORK(&uc->tx_drain.work, udma_check_tx_completion);
} }