dmaengine: iop_adma: 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/20200831103542.305571-11-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 3350bff..81f1778 100644 (file)
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -238,9 +238,10 @@ iop_adma_slot_cleanup(struct iop_adma_chan *iop_chan)
        spin_unlock_bh(&iop_chan->lock);
 }
 
-static void iop_adma_tasklet(unsigned long data)
+static void iop_adma_tasklet(struct tasklet_struct *t)
 {
-       struct iop_adma_chan *iop_chan = (struct iop_adma_chan *) data;
+       struct iop_adma_chan *iop_chan = from_tasklet(iop_chan, t,
+                                                     irq_tasklet);
 
        /* lockdep will flag depedency submissions as potentially
         * recursive locking, this is not the case as a dependency
@@ -1351,8 +1352,7 @@ static int iop_adma_probe(struct platform_device *pdev)
                ret = -ENOMEM;
                goto err_free_iop_chan;
        }
-       tasklet_init(&iop_chan->irq_tasklet, iop_adma_tasklet, (unsigned long)
-               iop_chan);
+       tasklet_setup(&iop_chan->irq_tasklet, iop_adma_tasklet);
 
        /* clear errors before enabling interrupts */
        iop_adma_device_clear_err_status(iop_chan);