V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue
cx18: Move DVB buffer transfer handling from irq handler to work_queue thread.
In order to properly lock the epu2cpu mailbox for driver to CX23418 commands,
the DVB/TS buffer handling needs to be moved from the IRQ handler and IRQ
context to a work queue. This work_queue implmentation is strikingly similar
to the ivtv implementation - for better or worse.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c
index a33ba04..174682c 100644
--- a/drivers/media/video/cx18/cx18-queue.c
+++ b/drivers/media/video/cx18/cx18-queue.c
@@ -88,15 +88,13 @@
if (buf->id != id)
continue;
+
buf->bytesused = bytesused;
- /* the transport buffers are handled differently,
- they are not moved to the full queue */
- if (s->type != CX18_ENC_STREAM_TYPE_TS) {
- atomic_dec(&s->q_free.buffers);
- atomic_inc(&s->q_full.buffers);
- s->q_full.bytesused += buf->bytesused;
- list_move_tail(&buf->list, &s->q_full.list);
- }
+ atomic_dec(&s->q_free.buffers);
+ atomic_inc(&s->q_full.buffers);
+ s->q_full.bytesused += buf->bytesused;
+ list_move_tail(&buf->list, &s->q_full.list);
+
spin_unlock(&s->qlock);
return buf;
}