[PATCH 19/35] dma: pch_dma: convert tasklets to use new tasklet_setup() API

[Allen Pais]

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/pch_dma.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index a3b0b4c56a19..0cd0311e6e87 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -670,9 +670,9 @@ static int pd_device_terminate_all(struct dma_chan *chan)
 	return 0;
 }
 
-static void pdc_tasklet(unsigned long data)
+static void pdc_tasklet(struct tasklet_struct *t)
 {
-	struct pch_dma_chan *pd_chan = (struct pch_dma_chan *)data;
+	struct pch_dma_chan *pd_chan = from_tasklet(pd_chan, t, tasklet);
 	unsigned long flags;
 
 	if (!pdc_is_idle(pd_chan)) {
@@ -898,8 +898,7 @@ static int pch_dma_probe(struct pci_dev *pdev,
 		INIT_LIST_HEAD(&pd_chan->queue);
 		INIT_LIST_HEAD(&pd_chan->free_list);
 
-		tasklet_init(&pd_chan->tasklet, pdc_tasklet,
-			     (unsigned long)pd_chan);
+		tasklet_setup(&pd_chan->tasklet, pdc_tasklet);
 		list_add_tail(&pd_chan->chan.device_node, &pd->dma.channels);
 	}
 
-- 
2.17.1