[PATCH 21/35] dma: ppc4xx: convert tasklets to use new tasklet_setup() API

Allen Pais allen.lkml at gmail.com
Mon Aug 17 04:17:12 EDT 2020


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: Romain Perier <romain.perier at gmail.com>
Signed-off-by: Allen Pais <allen.lkml at gmail.com>
---
 drivers/dma/ppc4xx/adma.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index 4db000d5f01c..71cdaaa8134c 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -1660,9 +1660,9 @@ static void __ppc440spe_adma_slot_cleanup(struct ppc440spe_adma_chan *chan)
 /**
  * ppc440spe_adma_tasklet - clean up watch-dog initiator
  */
-static void ppc440spe_adma_tasklet(unsigned long data)
+static void ppc440spe_adma_tasklet(struct tasklet_struct *t)
 {
-	struct ppc440spe_adma_chan *chan = (struct ppc440spe_adma_chan *) data;
+	struct ppc440spe_adma_chan *chan = from_tasklet(chan, t, irq_tasklet);
 
 	spin_lock_nested(&chan->lock, SINGLE_DEPTH_NESTING);
 	__ppc440spe_adma_slot_cleanup(chan);
@@ -4141,8 +4141,7 @@ static int ppc440spe_adma_probe(struct platform_device *ofdev)
 	chan->common.device = &adev->common;
 	dma_cookie_init(&chan->common);
 	list_add_tail(&chan->common.device_node, &adev->common.channels);
-	tasklet_init(&chan->irq_tasklet, ppc440spe_adma_tasklet,
-		     (unsigned long)chan);
+	tasklet_setup(&chan->irq_tasklet, ppc440spe_adma_tasklet);
 
 	/* allocate and map helper pages for async validation or
 	 * async_mult/async_sum_product operations on DMA0/1.
-- 
2.17.1




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