Also correct and improve *_queue_add/pop functions description.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/media/video/s5p-fimc/fimc-capture.c | 6 ++--
drivers/media/video/s5p-fimc/fimc-core.c | 6 ++--
drivers/media/video/s5p-fimc/fimc-core.h | 38 +++++++++++++++++---------
3 files changed, 31 insertions(+), 19 deletions(-)
diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 6e932b2..4f57fbb 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -101,12 +101,12 @@ static int fimc_stop_capture(struct fimc_dev *fimc)
/* Release buffers that were enqueued in the driver by videobuf2. */
while (!list_empty(&cap->pending_buf_q)) {
- buf = pending_queue_pop(cap);
+ buf = fimc_pending_queue_pop(cap);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
}
while (!list_empty(&cap->active_buf_q)) {
- buf = active_queue_pop(cap);
+ buf = fimc_active_queue_pop(cap);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
}
@@ -263,7 +263,7 @@ static void buffer_queue(struct vb2_buffer *vb)
fimc_hw_set_output_addr(fimc, &buf->paddr, buf_id);
buf->index = vid_cap->buf_index;
- active_queue_add(vid_cap, buf);
+ fimc_active_queue_add(vid_cap, buf);
if (++vid_cap->buf_index >= FIMC_MAX_OUT_BUFS)
vid_cap->buf_index = 0;
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index 4261822..d573657 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -328,7 +328,7 @@ void fimc_capture_irq_handler(struct fimc_dev *fimc, bool rel_buf)
test_bit(ST_CAPT_RUN, &fimc->state) && rel_buf) {
ktime_get_real_ts(&ts);
- v_buf = active_queue_pop(cap);
+ v_buf = fimc_active_queue_pop(cap);
tv = &v_buf->vb.v4l2_buf.timestamp;
tv->tv_sec = ts.tv_sec;
@@ -345,12 +345,12 @@ void fimc_capture_irq_handler(struct fimc_dev *fimc, bool rel_buf)
if (!list_empty(&cap->pending_buf_q)) {
- v_buf = pending_queue_pop(cap);
+ v_buf = fimc_pending_queue_pop(cap);
fimc_hw_set_output_addr(fimc, &v_buf->paddr, cap->buf_index);
v_buf->index = cap->buf_index;
/* Move the buffer to the capture active queue */
- active_queue_add(cap, v_buf);
+ fimc_active_queue_add(cap, v_buf);
dbg("next frame: %d, done frame: %d",
fimc_hw_get_frame_index(fimc), v_buf->index);
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h
index 28f0e30..015d216 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.h
+++ b/drivers/media/video/s5p-fimc/fimc-core.h
@@ -722,22 +722,27 @@ static inline void fimc_deactivate_capture(struct fimc_dev *fimc)
}
/*
- * Add buf to the capture active buffers queue.
- * Locking: Need to be called with fimc_dev::slock held.
+ * Buffer list manipulation functions. Must be called with fimc.slock held.
*/
-static inline void active_queue_add(struct fimc_vid_cap *vid_cap,
- struct fimc_vid_buffer *buf)
+
+/**
+ * fimc_active_queue_add - add buffer to the capture active buffers queue
+ * @buf: buffer to add to the active buffers list
+ */
+static inline void fimc_active_queue_add(struct fimc_vid_cap *vid_cap,
+ struct fimc_vid_buffer *buf)
{
list_add_tail(&buf->list, &vid_cap->active_buf_q);
vid_cap->active_buf_cnt++;
}
-/*
- * Pop a video buffer from the capture active buffers queue
- * Locking: Need to be called with fimc_dev::slock held.
+/**
+ * fimc_active_queue_pop - pop buffer from the capture active buffers queue
+ *
+ * The caller must assure the active_buf_q list is not empty.
*/
-static inline struct fimc_vid_buffer *
-active_queue_pop(struct fimc_vid_cap *vid_cap)
+static inline struct fimc_vid_buffer *fimc_active_queue_pop(
+ struct fimc_vid_cap *vid_cap)
{
struct fimc_vid_buffer *buf;
buf = list_entry(vid_cap->active_buf_q.next,
@@ -747,16 +752,23 @@ active_queue_pop(struct fimc_vid_cap *vid_cap)
return buf;
}
-/* Add video buffer to the capture pending buffers queue */
+/**
+ * fimc_pending_queue_add - add buffer to the capture pending buffers queue
+ * @buf: buffer to add to the pending buffers list
+ */
static inline void fimc_pending_queue_add(struct fimc_vid_cap *vid_cap,
struct fimc_vid_buffer *buf)
{
list_add_tail(&buf->list, &vid_cap->pending_buf_q);
}
-/* Add video buffer to the capture pending buffers queue */
-static inline struct fimc_vid_buffer *
-pending_queue_pop(struct fimc_vid_cap *vid_cap)
+/**
+ * fimc_pending_queue_pop - pop buffer from the capture pending buffers queue
+ *
+ * The caller must assure the pending_buf_q list is not empty.
+ */
+static inline struct fimc_vid_buffer *fimc_pending_queue_pop(
+ struct fimc_vid_cap *vid_cap)
{
struct fimc_vid_buffer *buf;
buf = list_entry(vid_cap->pending_buf_q.next,
--
1.7.5.4
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