V4L/DVB (9891): cx18 Replace magic number 63 with CX18_MAX_FW_MDLS_PER_STREAM
Removed magic number that referred to firmware limit on the number of
MDLs the firmware can maintain for any stream at any one time.
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 a6b0666..2c58b0c 100644
--- a/drivers/media/video/cx18/cx18-queue.c
+++ b/drivers/media/video/cx18/cx18-queue.c
@@ -55,8 +55,9 @@
mutex_lock(&s->qlock);
- /* q_busy is restricted to 63 buffers to stay within firmware limits */
- if (q == &s->q_busy && atomic_read(&q->buffers) >= 63)
+ /* q_busy is restricted to a max buffer count imposed by firmware */
+ if (q == &s->q_busy &&
+ atomic_read(&q->buffers) >= CX18_MAX_FW_MDLS_PER_STREAM)
q = &s->q_free;
if (to_front)