From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
The buf_finish op should always work, so change the return type to void.
Update the few drivers that use it.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Acked-by: Pawel Osciak <pawel@xxxxxxxxxx>
Reviewed-by: Pawel Osciak <pawel@xxxxxxxxxx>
---
drivers/media/parport/bw-qcam.c | 3 +--
drivers/media/pci/sta2x11/sta2x11_vip.c | 4 +---
drivers/media/platform/marvell-ccic/mcam-core.c | 3 +--
drivers/media/usb/pwc/pwc-if.c | 17 ++++++++++-------
drivers/media/usb/uvc/uvc_queue.c | 3 +--
drivers/media/v4l2-core/videobuf2-core.c | 6 +-----
drivers/staging/media/go7007/go7007-v4l2.c | 3 +--
include/media/videobuf2-core.h | 2 +-
8 files changed, 17 insertions(+), 24 deletions(-)
diff --git a/drivers/media/parport/bw-qcam.c b/drivers/media/parport/bw-qcam.c
index d12bd33..0166aef 100644
--- a/drivers/media/parport/bw-qcam.c
+++ b/drivers/media/parport/bw-qcam.c
@@ -667,7 +667,7 @@ static void buffer_queue(struct vb2_buffer *vb)
vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
}
-static int buffer_finish(struct vb2_buffer *vb)
+static void buffer_finish(struct vb2_buffer *vb)
{
struct qcam *qcam = vb2_get_drv_priv(vb->vb2_queue);
void *vbuf = vb2_plane_vaddr(vb, 0);
@@ -691,7 +691,6 @@ static int buffer_finish(struct vb2_buffer *vb)
if (len != size)
vb->state = VB2_BUF_STATE_ERROR;
vb2_set_plane_payload(vb, 0, len);
- return 0;
}
static struct vb2_ops qcam_video_qops = {
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c
index e5cfb6c..e66556c 100644
--- a/drivers/media/pci/sta2x11/sta2x11_vip.c
+++ b/drivers/media/pci/sta2x11/sta2x11_vip.c
@@ -327,7 +327,7 @@ static void buffer_queue(struct vb2_buffer *vb)
}
spin_unlock(&vip->lock);
}
-static int buffer_finish(struct vb2_buffer *vb)
+static void buffer_finish(struct vb2_buffer *vb)
{
struct sta2x11_vip *vip = vb2_get_drv_priv(vb->vb2_queue);
struct vip_buffer *vip_buf = to_vip_buffer(vb);
@@ -338,8 +338,6 @@ static int buffer_finish(struct vb2_buffer *vb)
spin_unlock(&vip->lock);
vip_active_buf_next(vip);
-
- return 0;
}
static int start_streaming(struct vb2_queue *vq, unsigned int count)
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c
index 32fab30..8b34c48 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.c
+++ b/drivers/media/platform/marvell-ccic/mcam-core.c
@@ -1238,7 +1238,7 @@ static int mcam_vb_sg_buf_prepare(struct vb2_buffer *vb)
return 0;
}
-static int mcam_vb_sg_buf_finish(struct vb2_buffer *vb)
+static void mcam_vb_sg_buf_finish(struct vb2_buffer *vb)
{
struct mcam_camera *cam = vb2_get_drv_priv(vb->vb2_queue);
struct sg_table *sg_table = vb2_dma_sg_plane_desc(vb, 0);
@@ -1246,7 +1246,6 @@ static int mcam_vb_sg_buf_finish(struct vb2_buffer *vb)
if (sg_table)
dma_unmap_sg(cam->dev, sg_table->sgl,
sg_table->nents, DMA_FROM_DEVICE);
- return 0;
}
static void mcam_vb_sg_buf_cleanup(struct vb2_buffer *vb)
diff --git a/drivers/media/usb/pwc/pwc-if.c b/drivers/media/usb/pwc/pwc-if.c
index abf365a..d13e7c9 100644
--- a/drivers/media/usb/pwc/pwc-if.c
+++ b/drivers/media/usb/pwc/pwc-if.c
@@ -614,17 +614,20 @@ static int buffer_prepare(struct vb2_buffer *vb)
return 0;
}
-static int buffer_finish(struct vb2_buffer *vb)
+static void buffer_finish(struct vb2_buffer *vb)
{
struct pwc_device *pdev = vb2_get_drv_priv(vb->vb2_queue);
struct pwc_frame_buf *buf = container_of(vb, struct pwc_frame_buf, vb);
- /*
- * Application has called dqbuf and is getting back a buffer we've
- * filled, take the pwc data we've stored in buf->data and decompress
- * it into a usable format, storing the result in the vb2_buffer
- */
- return pwc_decompress(pdev, buf);
+ if (vb->state == VB2_BUF_STATE_DONE) {
+ /*
+ * Application has called dqbuf and is getting back a buffer
+ * we've filled, take the pwc data we've stored in buf->data
+ * and decompress it into a usable format, storing the result
+ * in the vb2_buffer.
+ */
+ pwc_decompress(pdev, buf);
+ }
}
static void buffer_cleanup(struct vb2_buffer *vb)
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index cd962be..cca2c6e 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -104,7 +104,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
spin_unlock_irqrestore(&queue->irqlock, flags);
}
-static int uvc_buffer_finish(struct vb2_buffer *vb)
+static void uvc_buffer_finish(struct vb2_buffer *vb)
{
struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
struct uvc_streaming *stream =
@@ -112,7 +112,6 @@ static int uvc_buffer_finish(struct vb2_buffer *vb)
struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
uvc_video_clock_update(stream, &vb->v4l2_buf, buf);
- return 0;
}
static void uvc_wait_prepare(struct vb2_queue *vq)
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 8f1578b..59bfd85 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1783,11 +1783,7 @@ static int vb2_internal_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool n
if (ret < 0)
return ret;
- ret = call_vb_qop(vb, buf_finish, vb);
- if (ret) {
- dprintk(1, "dqbuf: buffer finish failed\n");
- return ret;
- }
+ call_vb_qop(vb, buf_finish, vb);
switch (vb->state) {
case VB2_BUF_STATE_DONE:
diff --git a/drivers/staging/media/go7007/go7007-v4l2.c b/drivers/staging/media/go7007/go7007-v4l2.c
index edc52e2..3a01576 100644
--- a/drivers/staging/media/go7007/go7007-v4l2.c
+++ b/drivers/staging/media/go7007/go7007-v4l2.c
@@ -470,7 +470,7 @@ static int go7007_buf_prepare(struct vb2_buffer *vb)
return 0;
}
-static int go7007_buf_finish(struct vb2_buffer *vb)
+static void go7007_buf_finish(struct vb2_buffer *vb)
{
struct vb2_queue *vq = vb->vb2_queue;
struct go7007 *go = vb2_get_drv_priv(vq);
@@ -483,7 +483,6 @@ static int go7007_buf_finish(struct vb2_buffer *vb)
V4L2_BUF_FLAG_PFRAME);
buf->flags |= frame_type_flag;
buf->field = V4L2_FIELD_NONE;
- return 0;
}
static int go7007_start_streaming(struct vb2_queue *q, unsigned int count)
diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h
index f04eb28..f443ce0 100644
--- a/include/media/videobuf2-core.h
+++ b/include/media/videobuf2-core.h
@@ -311,7 +311,7 @@ struct vb2_ops {
int (*buf_init)(struct vb2_buffer *vb);
int (*buf_prepare)(struct vb2_buffer *vb);
- int (*buf_finish)(struct vb2_buffer *vb);
+ void (*buf_finish)(struct vb2_buffer *vb);
void (*buf_cleanup)(struct vb2_buffer *vb);
int (*start_streaming)(struct vb2_queue *q, unsigned int count);
--
1.9.rc1
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
