[PATCH 35/35] dma: k3-udma: convert tasklets to use new tasklet_setup() API
From: Allen Pais <hidden>
Date: 2020-08-17 08:23:41
Also in:
bpf, linux-arm-kernel, linux-mediatek, linux-tegra, lkml
Subsystem:
dma generic offload engine subsystem, texas instruments dma drivers, the rest · Maintainers:
Vinod Koul, Peter Ujfalusi, Linus Torvalds
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 <redacted> --- 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); }
--
2.17.1