media: ngene: 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>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/pci/ngene/ngene-core.c

@@ -50,9 +50,9 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
 /* nGene interrupt handler **************************************************/
 /****************************************************************************/
 
-static void event_tasklet(unsigned long data)
+static void event_tasklet(struct tasklet_struct *t)
 {
-	struct ngene *dev = (struct ngene *)data;
+	struct ngene *dev = from_tasklet(dev, t, event_tasklet);
 
 	while (dev->EventQueueReadIndex != dev->EventQueueWriteIndex) {
 		struct EVENT_BUFFER Event =
@@ -68,9 +68,9 @@ static void event_tasklet(unsigned long data)
 	}
 }
 
-static void demux_tasklet(unsigned long data)
+static void demux_tasklet(struct tasklet_struct *t)
 {
-	struct ngene_channel *chan = (struct ngene_channel *)data;
+	struct ngene_channel *chan = from_tasklet(chan, t, demux_tasklet);
 	struct device *pdev = &chan->dev->pci_dev->dev;
 	struct SBufferHeader *Cur = chan->nextBuffer;
 
@@ -1181,7 +1181,7 @@ static void ngene_init(struct ngene *dev)
 	struct device *pdev = &dev->pci_dev->dev;
 	int i;
 
-	tasklet_init(&dev->event_tasklet, event_tasklet, (unsigned long)dev);
+	tasklet_setup(&dev->event_tasklet, event_tasklet);
 
 	memset_io(dev->iomem + 0xc000, 0x00, 0x220);
 	memset_io(dev->iomem + 0xc400, 0x00, 0x100);
@@ -1445,7 +1445,7 @@ static int init_channel(struct ngene_channel *chan)
 	struct ngene_info *ni = dev->card_info;
 	int io = ni->io_type[nr];
 
-	tasklet_init(&chan->demux_tasklet, demux_tasklet, (unsigned long)chan);
+	tasklet_setup(&chan->demux_tasklet, demux_tasklet);
 	chan->users = 0;
 	chan->type = io;
 	chan->mode = chan->type;	/* for now only one mode */