V4L/DVB (13427): cx18: Rename struct cx18_queue.buffers to struct cx1…

…8_queue.depth

Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx18/cx18-driver.h

@@ -285,7 +285,7 @@ struct cx18_buffer {
 
 struct cx18_queue {
 	struct list_head list;
-	atomic_t buffers;
+	atomic_t depth;
 	u32 bytesused;
 	spinlock_t lock;
 };

drivers/media/video/cx18/cx18-fileops.c

@@ -229,7 +229,7 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block,
 		prepare_to_wait(&s->waitq, &wait, TASK_INTERRUPTIBLE);
 		/* New buffers might have become available before we were added
 		   to the waitqueue */
-		if (!atomic_read(&s->q_full.buffers))
+		if (!atomic_read(&s->q_full.depth))
 			schedule();
 		finish_wait(&s->waitq, &wait);
 		if (signal_pending(current)) {
@@ -543,7 +543,7 @@ unsigned int cx18_v4l2_enc_poll(struct file *filp, poll_table *wait)
 	CX18_DEBUG_HI_FILE("Encoder poll\n");
 	poll_wait(filp, &s->waitq, wait);
 
-	if (atomic_read(&s->q_full.buffers))
+	if (atomic_read(&s->q_full.depth))
 		return POLLIN | POLLRDNORM;
 	if (eof)
 		return POLLHUP;

drivers/media/video/cx18/cx18-ioctl.c

@@ -910,7 +910,7 @@ static int cx18_log_status(struct file *file, void *fh)
 			continue;
 		CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n",
 			  s->name, s->s_flags,
-			  atomic_read(&s->q_full.buffers) * 100 / s->buffers,
+			  atomic_read(&s->q_full.depth) * 100 / s->buffers,
 			  (s->buffers * s->buf_size) / 1024, s->buffers);
 	}
 	CX18_INFO("Read MPEG/VBI: %lld/%lld bytes\n",

drivers/media/video/cx18/cx18-queue.c

@@ -38,7 +38,7 @@ void cx18_buf_swap(struct cx18_buffer *buf)
 void cx18_queue_init(struct cx18_queue *q)
 {
 	INIT_LIST_HEAD(&q->list);
-	atomic_set(&q->buffers, 0);
+	atomic_set(&q->depth, 0);
 	q->bytesused = 0;
 }
 
@@ -55,7 +55,7 @@ struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf,
 
 	/* 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)
+	    atomic_read(&q->depth) >= CX18_MAX_FW_MDLS_PER_STREAM)
 		q = &s->q_free;
 
 	spin_lock(&q->lock);
@@ -65,7 +65,7 @@ struct cx18_queue *_cx18_enqueue(struct cx18_stream *s, struct cx18_buffer *buf,
 	else
 		list_add_tail(&buf->list, &q->list); /* FIFO */
 	q->bytesused += buf->bytesused - buf->readpos;
-	atomic_inc(&q->buffers);
+	atomic_inc(&q->depth);
 
 	spin_unlock(&q->lock);
 	return q;
@@ -81,7 +81,7 @@ struct cx18_buffer *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q)
 		list_del_init(&buf->list);
 		q->bytesused -= buf->bytesused - buf->readpos;
 		buf->skipped = 0;
-		atomic_dec(&q->buffers);
+		atomic_dec(&q->depth);
 	}
 	spin_unlock(&q->lock);
 	return buf;
@@ -113,15 +113,15 @@ struct cx18_buffer *cx18_queue_get_buf(struct cx18_stream *s, u32 id,
 		 */
 		if (buf->id != id) {
 			buf->skipped++;
-			if (buf->skipped >= atomic_read(&s->q_busy.buffers)-1) {
+			if (buf->skipped >= atomic_read(&s->q_busy.depth)-1) {
 				/* buffer must have fallen out of rotation */
 				CX18_WARN("Skipped %s, buffer %d, %d "
 					  "times - it must have dropped out of "
 					  "rotation\n", s->name, buf->id,
 					  buf->skipped);
 				/* Sweep it up to put it back into rotation */
 				list_move_tail(&buf->list, &sweep_up);
-				atomic_dec(&s->q_busy.buffers);
+				atomic_dec(&s->q_busy.depth);
 			}
 			continue;
 		}
@@ -130,7 +130,7 @@ struct cx18_buffer *cx18_queue_get_buf(struct cx18_stream *s, u32 id,
 		 * will have to put it back on a queue later.
 		 */
 		list_del_init(&buf->list);
-		atomic_dec(&s->q_busy.buffers);
+		atomic_dec(&s->q_busy.depth);
 		ret = buf;
 		break;
 	}
@@ -170,7 +170,7 @@ static void cx18_queue_flush(struct cx18_stream *s, struct cx18_queue *q)
 		buf = list_first_entry(&q->list, struct cx18_buffer, list);
 		list_move_tail(&buf->list, &s->q_free.list);
 		buf->bytesused = buf->readpos = buf->b_flags = buf->skipped = 0;
-		atomic_inc(&s->q_free.buffers);
+		atomic_inc(&s->q_free.depth);
 	}
 	cx18_queue_init(q);
 	spin_unlock(&q->lock);

drivers/media/video/cx18/cx18-streams.c

@@ -470,8 +470,8 @@ void _cx18_stream_load_fw_queue(struct cx18_stream *s)
 	struct cx18_queue *q;
 	struct cx18_buffer *buf;
 
-	if (atomic_read(&s->q_free.buffers) == 0 ||
-	    atomic_read(&s->q_busy.buffers) >= CX18_MAX_FW_MDLS_PER_STREAM)
+	if (atomic_read(&s->q_free.depth) == 0 ||
+	    atomic_read(&s->q_busy.depth) >= CX18_MAX_FW_MDLS_PER_STREAM)
 		return;
 
 	/* Move from q_free to q_busy notifying the firmware, until the limit */
@@ -480,7 +480,7 @@ void _cx18_stream_load_fw_queue(struct cx18_stream *s)
 		if (buf == NULL)
 			break;
 		q = _cx18_stream_put_buf_fw(s, buf);
-	} while (atomic_read(&s->q_busy.buffers) < CX18_MAX_FW_MDLS_PER_STREAM
+	} while (atomic_read(&s->q_busy.depth) < CX18_MAX_FW_MDLS_PER_STREAM
 		 && q == &s->q_busy);
 }