Merge tag 'br-v6.2i' of git://linuxtv.org/hverkuil/media_tree into media_stage

Tag branch

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

* tag 'br-v6.2i' of git://linuxtv.org/hverkuil/media_tree: (31 commits)
  media: s5c73m3: Switch to GPIO descriptors
  media: i2c: s5k5baf: switch to using gpiod API
  media: i2c: s5k6a3: switch to using gpiod API
  media: imx: remove code for non-existing config IMX_GPT_ICAP
  media: si470x: Fix use-after-free in si470x_int_in_callback()
  media: staging: stkwebcam: Restore MEDIA_{USB,CAMERA}_SUPPORT dependencies
  media: coda: Add check for kmalloc
  media: coda: Add check for dcoda_iram_alloc
  dt-bindings: media: s5c73m3: Fix reset-gpio descriptor
  media: dt-bindings: allwinner: h6-vpu-g2: Add IOMMU reference property
  media: s5k4ecgx: Delete driver
  media: s5k4ecgx: Switch to GPIO descriptors
  media: Switch to use dev_err_probe() helper
  headers: Remove some left-over license text in include/uapi/linux/v4l2-*
  headers: Remove some left-over license text in include/uapi/linux/dvb/
  media: usb: pwc-uncompress: Use flex array destination for memcpy()
  media: s5p-mfc: Fix to handle reference queue during finishing
  media: s5p-mfc: Clear workbit to handle error condition
  media: s5p-mfc: Fix in register read and write for H264
  media: imx: Use get_mbus_config instead of parsing upstream DT endpoints
  ...

7 files changed, 74 insertions, 184 deletions

diff --git a/drivers/staging/media/deprecated/stkwebcam/Kconfig b/drivers/staging/media/deprecated/stkwebcam/Kconfig
index 4450403dff41..7234498e634a 100644
--- a/drivers/staging/media/deprecated/stkwebcam/Kconfig
+++ b/drivers/staging/media/deprecated/stkwebcam/Kconfig
@@ -2,7 +2,7 @@
 config VIDEO_STKWEBCAM
 	tristate "USB Syntek DC1125 Camera support (DEPRECATED)"
 	depends on VIDEO_DEV
-	depends on USB
+	depends on MEDIA_USB_SUPPORT && MEDIA_CAMERA_SUPPORT
 	help
 	  Say Y here if you want to use this type of camera.
 	  Supported devices are typically found in some Asus laptops,
diff --git a/drivers/staging/media/imx/TODO b/drivers/staging/media/imx/TODO
index afee26870af7..11c9e10d34ae 100644
--- a/drivers/staging/media/imx/TODO
+++ b/drivers/staging/media/imx/TODO
@@ -2,18 +2,6 @@
 - The Frame Interval Monitor could be exported to v4l2-core for
   general use.
 
-- The CSI subdevice parses its nearest upstream neighbor's device-tree
-  bus config in order to setup the CSI. Laurent Pinchart argues that
-  instead the CSI subdev should call its neighbor's g_mbus_config op
-  (which should be propagated if necessary) to get this info. However
-  Hans Verkuil is planning to remove the g_mbus_config op. For now this
-  driver uses the parsed DT bus config method until this issue is
-  resolved.
-
-  2020-06: g_mbus has been removed in favour of the get_mbus_config pad
-  operation which should be used to avoid parsing the remote endpoint
-  configuration.
-
 - This media driver supports inheriting V4L2 controls to the
   video capture devices, from the subdevices in the capture device's
   pipeline. The controls for each capture device are updated in the
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index b2b1f4dd41d7..5c3cc7de209d 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -97,8 +97,8 @@ struct csi_priv {
 	/* the mipi virtual channel number at link validate */
 	int vc_num;
 
-	/* the upstream endpoint CSI is receiving from */
-	struct v4l2_fwnode_endpoint upstream_ep;
+	/* media bus config of the upstream subdevice CSI is receiving from */
+	struct v4l2_mbus_config mbus_cfg;
 
 	spinlock_t irqlock; /* protect eof_irq handler */
 	struct timer_list eof_timeout_timer;
@@ -125,14 +125,14 @@ static inline struct csi_priv *notifier_to_dev(struct v4l2_async_notifier *n)
 	return container_of(n, struct csi_priv, notifier);
 }
 
-static inline bool is_parallel_bus(struct v4l2_fwnode_endpoint *ep)
+static inline bool is_parallel_bus(struct v4l2_mbus_config *mbus_cfg)
 {
-	return ep->bus_type != V4L2_MBUS_CSI2_DPHY;
+	return mbus_cfg->type != V4L2_MBUS_CSI2_DPHY;
 }
 
-static inline bool is_parallel_16bit_bus(struct v4l2_fwnode_endpoint *ep)
+static inline bool is_parallel_16bit_bus(struct v4l2_mbus_config *mbus_cfg)
 {
-	return is_parallel_bus(ep) && ep->bus.parallel.bus_width >= 16;
+	return is_parallel_bus(mbus_cfg) && mbus_cfg->bus.parallel.bus_width >= 16;
 }
 
 /*
@@ -145,36 +145,31 @@ static inline bool is_parallel_16bit_bus(struct v4l2_fwnode_endpoint *ep)
  * - the CSI is receiving from an 8-bit parallel bus and the incoming
  *   media bus format is other than UYVY8_2X8/YUYV8_2X8.
  */
-static inline bool requires_passthrough(struct v4l2_fwnode_endpoint *ep,
+static inline bool requires_passthrough(struct v4l2_mbus_config *mbus_cfg,
 					struct v4l2_mbus_framefmt *infmt,
 					const struct imx_media_pixfmt *incc)
 {
-	if (ep->bus_type == V4L2_MBUS_BT656) // including BT.1120
+	if (mbus_cfg->type == V4L2_MBUS_BT656) // including BT.1120
 		return false;
 
-	return incc->bayer || is_parallel_16bit_bus(ep) ||
-		(is_parallel_bus(ep) &&
+	return incc->bayer || is_parallel_16bit_bus(mbus_cfg) ||
+		(is_parallel_bus(mbus_cfg) &&
 		 infmt->code != MEDIA_BUS_FMT_UYVY8_2X8 &&
 		 infmt->code != MEDIA_BUS_FMT_YUYV8_2X8);
 }
 
 /*
- * Parses the fwnode endpoint from the source pad of the entity
- * connected to this CSI. This will either be the entity directly
- * upstream from the CSI-2 receiver, directly upstream from the
- * video mux, or directly upstream from the CSI itself. The endpoint
- * is needed to determine the bus type and bus config coming into
- * the CSI.
+ * Queries the media bus config of the upstream entity that provides data to
+ * the CSI. This will either be the entity directly upstream from the CSI-2
+ * receiver, directly upstream from a video mux, or directly upstream from
+ * the CSI itself.
  */
-static int csi_get_upstream_endpoint(struct csi_priv *priv,
-				     struct v4l2_fwnode_endpoint *ep)
+static int csi_get_upstream_mbus_config(struct csi_priv *priv,
+					struct v4l2_mbus_config *mbus_cfg)
 {
-	struct fwnode_handle *endpoint;
-	struct v4l2_subdev *sd;
-	struct media_pad *pad;
-
-	if (!IS_ENABLED(CONFIG_OF))
-		return -ENXIO;
+	struct v4l2_subdev *sd, *remote_sd;
+	struct media_pad *remote_pad;
+	int ret;
 
 	if (!priv->src_sd)
 		return -EPIPE;
@@ -206,19 +201,21 @@ static int csi_get_upstream_endpoint(struct csi_priv *priv,
 	}
 
 	/* get source pad of entity directly upstream from sd */
-	pad = imx_media_pipeline_pad(&sd->entity, 0, 0, true);
-	if (!pad)
-		return -ENODEV;
-
-	endpoint = imx_media_get_pad_fwnode(pad);
-	if (IS_ERR(endpoint))
-		return PTR_ERR(endpoint);
+	remote_pad = media_entity_remote_pad_unique(&sd->entity,
+						    MEDIA_PAD_FL_SOURCE);
+	if (IS_ERR(remote_pad))
+		return PTR_ERR(remote_pad);
 
-	v4l2_fwnode_endpoint_parse(endpoint, ep);
+	remote_sd = media_entity_to_v4l2_subdev(remote_pad->entity);
 
-	fwnode_handle_put(endpoint);
+	ret = v4l2_subdev_call(remote_sd, pad, get_mbus_config,
+			       remote_pad->index, mbus_cfg);
+	if (ret == -ENOIOCTLCMD)
+		v4l2_err(&priv->sd,
+			 "entity %s does not implement get_mbus_config()\n",
+			 remote_pad->entity->name);
 
-	return 0;
+	return ret;
 }
 
 static void csi_idmac_put_ipu_resources(struct csi_priv *priv)
@@ -435,7 +432,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
 	image.phys0 = phys[0];
 	image.phys1 = phys[1];
 
-	passthrough = requires_passthrough(&priv->upstream_ep, infmt, incc);
+	passthrough = requires_passthrough(&priv->mbus_cfg, infmt, incc);
 	passthrough_cycles = 1;
 
 	/*
@@ -708,7 +705,6 @@ static int csi_setup(struct csi_priv *priv)
 {
 	struct v4l2_mbus_framefmt *infmt, *outfmt;
 	const struct imx_media_pixfmt *incc;
-	struct v4l2_mbus_config mbus_cfg;
 	struct v4l2_mbus_framefmt if_fmt;
 	struct v4l2_rect crop;
 
@@ -716,13 +712,6 @@ static int csi_setup(struct csi_priv *priv)
 	incc = priv->cc[CSI_SINK_PAD];
 	outfmt = &priv->format_mbus[priv->active_output_pad];
 
-	/* compose mbus_config from the upstream endpoint */
-	mbus_cfg.type = priv->upstream_ep.bus_type;
-	if (is_parallel_bus(&priv->upstream_ep))
-		mbus_cfg.bus.parallel = priv->upstream_ep.bus.parallel;
-	else
-		mbus_cfg.bus.mipi_csi2 = priv->upstream_ep.bus.mipi_csi2;
-
 	if_fmt = *infmt;
 	crop = priv->crop;
 
@@ -730,7 +719,7 @@ static int csi_setup(struct csi_priv *priv)
 	 * if cycles is set, we need to handle this over multiple cycles as
 	 * generic/bayer data
 	 */
-	if (is_parallel_bus(&priv->upstream_ep) && incc->cycles) {
+	if (is_parallel_bus(&priv->mbus_cfg) && incc->cycles) {
 		if_fmt.width *= incc->cycles;
 		crop.width *= incc->cycles;
 	}
@@ -741,7 +730,7 @@ static int csi_setup(struct csi_priv *priv)
 			     priv->crop.width == 2 * priv->compose.width,
 			     priv->crop.height == 2 * priv->compose.height);
 
-	ipu_csi_init_interface(priv->csi, &mbus_cfg, &if_fmt, outfmt);
+	ipu_csi_init_interface(priv->csi, &priv->mbus_cfg, &if_fmt, outfmt);
 
 	ipu_csi_set_dest(priv->csi, priv->dest);
 
@@ -769,7 +758,7 @@ static int csi_start(struct csi_priv *priv)
 		return ret;
 
 	/* Skip first few frames from a BT.656 source */
-	if (priv->upstream_ep.bus_type == V4L2_MBUS_BT656) {
+	if (priv->mbus_cfg.type == V4L2_MBUS_BT656) {
 		u32 delay_usec, bad_frames = 20;
 
 		delay_usec = DIV_ROUND_UP_ULL((u64)USEC_PER_SEC *
@@ -1118,7 +1107,7 @@ static int csi_link_validate(struct v4l2_subdev *sd,
 			     struct v4l2_subdev_format *sink_fmt)
 {
 	struct csi_priv *priv = v4l2_get_subdevdata(sd);
-	struct v4l2_fwnode_endpoint upstream_ep = { .bus_type = 0 };
+	struct v4l2_mbus_config mbus_cfg = { .type = 0 };
 	bool is_csi2;
 	int ret;
 
@@ -1127,16 +1116,17 @@ static int csi_link_validate(struct v4l2_subdev *sd,
 	if (ret)
 		return ret;
 
-	ret = csi_get_upstream_endpoint(priv, &upstream_ep);
+	ret = csi_get_upstream_mbus_config(priv, &mbus_cfg);
 	if (ret) {
-		v4l2_err(&priv->sd, "failed to find upstream endpoint\n");
+		v4l2_err(&priv->sd,
+			 "failed to get upstream media bus configuration\n");
 		return ret;
 	}
 
 	mutex_lock(&priv->lock);
 
-	priv->upstream_ep = upstream_ep;
-	is_csi2 = !is_parallel_bus(&upstream_ep);
+	priv->mbus_cfg = mbus_cfg;
+	is_csi2 = !is_parallel_bus(&mbus_cfg);
 	if (is_csi2) {
 		/*
 		 * NOTE! It seems the virtual channels from the mipi csi-2
@@ -1192,7 +1182,7 @@ static void csi_try_crop(struct csi_priv *priv,
 			 struct v4l2_rect *crop,
 			 struct v4l2_subdev_state *sd_state,
 			 struct v4l2_mbus_framefmt *infmt,
-			 struct v4l2_fwnode_endpoint *upstream_ep)
+			 struct v4l2_mbus_config *mbus_cfg)
 {
 	u32 in_height;
 
@@ -1216,7 +1206,7 @@ static void csi_try_crop(struct csi_priv *priv,
 	 * sync, so fix it to NTSC/PAL active lines. NTSC contains
 	 * 2 extra lines of active video that need to be cropped.
 	 */
-	if (upstream_ep->bus_type == V4L2_MBUS_BT656 &&
+	if (mbus_cfg->type == V4L2_MBUS_BT656 &&
 	    (V4L2_FIELD_HAS_BOTH(infmt->field) ||
 	     infmt->field == V4L2_FIELD_ALTERNATE)) {
 		crop->height = in_height;
@@ -1233,7 +1223,7 @@ static int csi_enum_mbus_code(struct v4l2_subdev *sd,
 			      struct v4l2_subdev_mbus_code_enum *code)
 {
 	struct csi_priv *priv = v4l2_get_subdevdata(sd);
-	struct v4l2_fwnode_endpoint upstream_ep = { .bus_type = 0 };
+	struct v4l2_mbus_config mbus_cfg = { .type = 0 };
 	const struct imx_media_pixfmt *incc;
 	struct v4l2_mbus_framefmt *infmt;
 	int ret = 0;
@@ -1250,13 +1240,14 @@ static int csi_enum_mbus_code(struct v4l2_subdev *sd,
 		break;
 	case CSI_SRC_PAD_DIRECT:
 	case CSI_SRC_PAD_IDMAC:
-		ret = csi_get_upstream_endpoint(priv, &upstream_ep);
+		ret = csi_get_upstream_mbus_config(priv, &mbus_cfg);
 		if (ret) {
-			v4l2_err(&priv->sd, "failed to find upstream endpoint\n");
+			v4l2_err(&priv->sd,
+				 "failed to get upstream media bus configuration\n");
 			goto out;
 		}
 
-		if (requires_passthrough(&upstream_ep, infmt, incc)) {
+		if (requires_passthrough(&mbus_cfg, infmt, incc)) {
 			if (code->index != 0) {
 				ret = -EINVAL;
 				goto out;
@@ -1426,7 +1417,7 @@ static void csi_try_field(struct csi_priv *priv,
 }
 
 static void csi_try_fmt(struct csi_priv *priv,
-			struct v4l2_fwnode_endpoint *upstream_ep,
+			struct v4l2_mbus_config *mbus_cfg,
 			struct v4l2_subdev_state *sd_state,
 			struct v4l2_subdev_format *sdformat,
 			struct v4l2_rect *crop,
@@ -1447,7 +1438,7 @@ static void csi_try_fmt(struct csi_priv *priv,
 		sdformat->format.width = compose->width;
 		sdformat->format.height = compose->height;
 
-		if (requires_passthrough(upstream_ep, infmt, incc)) {
+		if (requires_passthrough(mbus_cfg, infmt, incc)) {
 			sdformat->format.code = infmt->code;
 			*cc = incc;
 		} else {
@@ -1497,8 +1488,7 @@ static void csi_try_fmt(struct csi_priv *priv,
 		crop->height = sdformat->format.height;
 		if (sdformat->format.field == V4L2_FIELD_ALTERNATE)
 			crop->height *= 2;
-		csi_try_crop(priv, crop, sd_state, &sdformat->format,
-			     upstream_ep);
+		csi_try_crop(priv, crop, sd_state, &sdformat->format, mbus_cfg);
 		compose->left = 0;
 		compose->top = 0;
 		compose->width = crop->width;
@@ -1516,7 +1506,7 @@ static int csi_set_fmt(struct v4l2_subdev *sd,
 		       struct v4l2_subdev_format *sdformat)
 {
 	struct csi_priv *priv = v4l2_get_subdevdata(sd);
-	struct v4l2_fwnode_endpoint upstream_ep = { .bus_type = 0 };
+	struct v4l2_mbus_config mbus_cfg = { .type = 0 };
 	const struct imx_media_pixfmt *cc;
 	struct v4l2_mbus_framefmt *fmt;
 	struct v4l2_rect *crop, *compose;
@@ -1525,9 +1515,10 @@ static int csi_set_fmt(struct v4l2_subdev *sd,
 	if (sdformat->pad >= CSI_NUM_PADS)
 		return -EINVAL;
 
-	ret = csi_get_upstream_endpoint(priv, &upstream_ep);
+	ret = csi_get_upstream_mbus_config(priv, &mbus_cfg);
 	if (ret) {
-		v4l2_err(&priv->sd, "failed to find upstream endpoint\n");
+		v4l2_err(&priv->sd,
+			 "failed to get upstream media bus configuration\n");
 		return ret;
 	}
 
@@ -1541,8 +1532,7 @@ static int csi_set_fmt(struct v4l2_subdev *sd,
 	crop = __csi_get_crop(priv, sd_state, sdformat->which);
 	compose = __csi_get_compose(priv, sd_state, sdformat->which);
 
-	csi_try_fmt(priv, &upstream_ep, sd_state, sdformat, crop, compose,
-		    &cc);
+	csi_try_fmt(priv, &mbus_cfg, sd_state, sdformat, crop, compose, &cc);
 
 	fmt = __csi_get_fmt(priv, sd_state, sdformat->pad, sdformat->which);
 	*fmt = sdformat->format;
@@ -1559,8 +1549,8 @@ static int csi_set_fmt(struct v4l2_subdev *sd,
 			format.pad = pad;
 			format.which = sdformat->which;
 			format.format = sdformat->format;
-			csi_try_fmt(priv, &upstream_ep, sd_state, &format,
-				    NULL, compose, &outcc);
+			csi_try_fmt(priv, &mbus_cfg, sd_state, &format, NULL,
+				    compose, &outcc);
 
 			outfmt = __csi_get_fmt(priv, sd_state, pad,
 					       sdformat->which);
@@ -1648,7 +1638,7 @@ static int csi_set_selection(struct v4l2_subdev *sd,
 			     struct v4l2_subdev_selection *sel)
 {
 	struct csi_priv *priv = v4l2_get_subdevdata(sd);
-	struct v4l2_fwnode_endpoint upstream_ep = { .bus_type = 0 };
+	struct v4l2_mbus_config mbus_cfg = { .type = 0 };
 	struct v4l2_mbus_framefmt *infmt;
 	struct v4l2_rect *crop, *compose;
 	int pad, ret;
@@ -1656,9 +1646,10 @@ static int csi_set_selection(struct v4l2_subdev *sd,
 	if (sel->pad != CSI_SINK_PAD)
 		return -EINVAL;
 
-	ret = csi_get_upstream_endpoint(priv, &upstream_ep);
+	ret = csi_get_upstream_mbus_config(priv, &mbus_cfg);
 	if (ret) {
-		v4l2_err(&priv->sd, "failed to find upstream endpoint\n");
+		v4l2_err(&priv->sd,
+			 "failed to get upstream media bus configuration\n");
 		return ret;
 	}
 
@@ -1687,7 +1678,7 @@ static int csi_set_selection(struct v4l2_subdev *sd,
 			goto out;
 		}
 
-		csi_try_crop(priv, &sel->r, sd_state, infmt, &upstream_ep);
+		csi_try_crop(priv, &sel->r, sd_state, infmt, &mbus_cfg);
 
 		*crop = sel->r;
 
diff --git a/drivers/staging/media/imx/imx-media-fim.c b/drivers/staging/media/imx/imx-media-fim.c
index 3a9182933508..fb6590dcfc36 100644
--- a/drivers/staging/media/imx/imx-media-fim.c
+++ b/drivers/staging/media/imx/imx-media-fim.c
@@ -187,54 +187,6 @@ out_update_ts:
 		send_fim_event(fim, error_avg);
 }
 
-#ifdef CONFIG_IMX_GPT_ICAP
-/*
- * Input Capture method of measuring frame intervals. Not subject
- * to interrupt latency.
- */
-static void fim_input_capture_handler(int channel, void *dev_id,
-				      ktime_t timestamp)
-{
-	struct imx_media_fim *fim = dev_id;
-	unsigned long flags;
-
-	spin_lock_irqsave(&fim->lock, flags);
-
-	frame_interval_monitor(fim, timestamp);
-
-	if (!completion_done(&fim->icap_first_event))
-		complete(&fim->icap_first_event);
-
-	spin_unlock_irqrestore(&fim->lock, flags);
-}
-
-static int fim_request_input_capture(struct imx_media_fim *fim)
-{
-	init_completion(&fim->icap_first_event);
-
-	return mxc_request_input_capture(fim->icap_channel,
-					 fim_input_capture_handler,
-					 fim->icap_flags, fim);
-}
-
-static void fim_free_input_capture(struct imx_media_fim *fim)
-{
-	mxc_free_input_capture(fim->icap_channel, fim);
-}
-
-#else /* CONFIG_IMX_GPT_ICAP */
-
-static int fim_request_input_capture(struct imx_media_fim *fim)
-{
-	return 0;
-}
-
-static void fim_free_input_capture(struct imx_media_fim *fim)
-{
-}
-
-#endif /* CONFIG_IMX_GPT_ICAP */
-
 /*
  * In case we are monitoring the first frame interval after streamon
  * (when fim->num_skip = 0), we need a valid fim->last_ts before we
@@ -434,15 +386,8 @@ int imx_media_fim_set_stream(struct imx_media_fim *fim,
 		update_fim_nominal(fim, fi);
 		spin_unlock_irqrestore(&fim->lock, flags);
 
-		if (icap_enabled(fim)) {
-			ret = fim_request_input_capture(fim);
-			if (ret)
-				goto out;
-			fim_acquire_first_ts(fim);
-		}
-	} else {
 		if (icap_enabled(fim))
-			fim_free_input_capture(fim);
+			fim_acquire_first_ts(fim);
 	}
 
 	fim->stream_on = on;
diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
index 3e7462112649..411e907b68eb 100644
--- a/drivers/staging/media/imx/imx-media-utils.c
+++ b/drivers/staging/media/imx/imx-media-utils.c
@@ -814,39 +814,6 @@ imx_media_pipeline_video_device(struct media_entity *start_entity,
 EXPORT_SYMBOL_GPL(imx_media_pipeline_video_device);
 
 /*
- * Find a fwnode endpoint that maps to the given subdevice's pad.
- * If there are multiple endpoints that map to the pad, only the
- * first endpoint encountered is returned.
- *
- * On success the refcount of the returned fwnode endpoint is
- * incremented.
- */
-struct fwnode_handle *imx_media_get_pad_fwnode(struct media_pad *pad)
-{
-	struct fwnode_handle *endpoint;
-	struct v4l2_subdev *sd;
-
-	if (!is_media_entity_v4l2_subdev(pad->entity))
-		return ERR_PTR(-ENODEV);
-
-	sd = media_entity_to_v4l2_subdev(pad->entity);
-
-	fwnode_graph_for_each_endpoint(dev_fwnode(sd->dev), endpoint) {
-		int pad_idx = media_entity_get_fwnode_pad(&sd->entity,
-							  endpoint,
-							  pad->flags);
-		if (pad_idx < 0)
-			continue;
-
-		if (pad_idx == pad->index)
-			return endpoint;
-	}
-
-	return ERR_PTR(-ENODEV);
-}
-EXPORT_SYMBOL_GPL(imx_media_get_pad_fwnode);
-
-/*
  * Turn current pipeline streaming on/off starting from entity.
  */
 int imx_media_pipeline_set_stream(struct imx_media_dev *imxmd,
diff --git a/drivers/staging/media/imx/imx-media.h b/drivers/staging/media/imx/imx-media.h
index f263fc3adbb9..f679249d82e4 100644
--- a/drivers/staging/media/imx/imx-media.h
+++ b/drivers/staging/media/imx/imx-media.h
@@ -219,7 +219,6 @@ imx_media_pipeline_subdev(struct media_entity *start_entity, u32 grp_id,
 struct video_device *
 imx_media_pipeline_video_device(struct media_entity *start_entity,
 				enum v4l2_buf_type buftype, bool upstream);
-struct fwnode_handle *imx_media_get_pad_fwnode(struct media_pad *pad);
 
 struct imx_media_dma_buf {
 	void          *virt;
diff --git a/drivers/staging/media/omap4iss/iss_video.h b/drivers/staging/media/omap4iss/iss_video.h
index ca2d5edb6261..19668d28b682 100644
--- a/drivers/staging/media/omap4iss/iss_video.h
+++ b/drivers/staging/media/omap4iss/iss_video.h
@@ -53,19 +53,19 @@ enum iss_pipeline_stream_state {
 
 enum iss_pipeline_state {
 	/* The stream has been started on the input video node. */
-	ISS_PIPELINE_STREAM_INPUT = 1,
+	ISS_PIPELINE_STREAM_INPUT = BIT(0),
 	/* The stream has been started on the output video node. */
-	ISS_PIPELINE_STREAM_OUTPUT = (1 << 1),
+	ISS_PIPELINE_STREAM_OUTPUT = BIT(1),
 	/* At least one buffer is queued on the input video node. */
-	ISS_PIPELINE_QUEUE_INPUT = (1 << 2),
+	ISS_PIPELINE_QUEUE_INPUT = BIT(2),
 	/* At least one buffer is queued on the output video node. */
-	ISS_PIPELINE_QUEUE_OUTPUT = (1 << 3),
+	ISS_PIPELINE_QUEUE_OUTPUT = BIT(3),
 	/* The input entity is idle, ready to be started. */
-	ISS_PIPELINE_IDLE_INPUT = (1 << 4),
+	ISS_PIPELINE_IDLE_INPUT = BIT(4),
 	/* The output entity is idle, ready to be started. */
-	ISS_PIPELINE_IDLE_OUTPUT = (1 << 5),
+	ISS_PIPELINE_IDLE_OUTPUT = BIT(5),
 	/* The pipeline is currently streaming. */
-	ISS_PIPELINE_STREAM = (1 << 6),
+	ISS_PIPELINE_STREAM = BIT(6),
 };
 
 /*
@@ -126,9 +126,9 @@ struct iss_buffer {
 
 enum iss_video_dmaqueue_flags {
 	/* Set if DMA queue becomes empty when ISS_PIPELINE_STREAM_CONTINUOUS */
-	ISS_VIDEO_DMAQUEUE_UNDERRUN = (1 << 0),
+	ISS_VIDEO_DMAQUEUE_UNDERRUN = BIT(0),
 	/* Set when queuing buffer to an empty DMA queue */
-	ISS_VIDEO_DMAQUEUE_QUEUED = (1 << 1),
+	ISS_VIDEO_DMAQUEUE_QUEUED = BIT(1),
 };
 
 #define iss_video_dmaqueue_flags_clr(video)	\