dmaengine: ppc4xx: 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: Romain Perier <romain.perier@gmail.com>
Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Link: https://lore.kernel.org/r/20200831103542.305571-22-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index 4db000d..71cdaaa 100644 (file)
--- 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.