dmaengine: pch_dma: 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/20200831103542.305571-20-allen.lkml@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index e930058..1da0411 100644 (file)
--- 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)) {
@@ -882,8 +882,7 @@ 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);
        }