media: platform: rename exynos4-is/ to samsung/exynos4-is/

As the end goal is to have platform drivers split by vendor,
rename exynos4-is/ to samsung/exynos4-is/.

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

1 files changed, 0 insertions, 1604 deletions

diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
deleted file mode 100644
index 544b54e428c9..000000000000
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ /dev/null
@@ -1,1604 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * S5P/EXYNOS4 SoC series camera host interface media device driver
- *
- * Copyright (C) 2011 - 2013 Samsung Electronics Co., Ltd.
- * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
- */
-
-#include <linux/bug.h>
-#include <linux/clk.h>
-#include <linux/clk-provider.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/i2c.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/of_platform.h>
-#include <linux/of_device.h>
-#include <linux/of_graph.h>
-#include <linux/pinctrl/consumer.h>
-#include <linux/platform_device.h>
-#include <linux/pm_runtime.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <media/v4l2-async.h>
-#include <media/v4l2-ctrls.h>
-#include <media/v4l2-fwnode.h>
-#include <media/media-device.h>
-#include <media/drv-intf/exynos-fimc.h>
-
-#include "media-dev.h"
-#include "fimc-core.h"
-#include "fimc-is.h"
-#include "fimc-lite.h"
-#include "mipi-csis.h"
-
-/* Set up image sensor subdev -> FIMC capture node notifications. */
-static void __setup_sensor_notification(struct fimc_md *fmd,
-					struct v4l2_subdev *sensor,
-					struct v4l2_subdev *fimc_sd)
-{
-	struct fimc_source_info *src_inf;
-	struct fimc_sensor_info *md_si;
-	unsigned long flags;
-
-	src_inf = v4l2_get_subdev_hostdata(sensor);
-	if (!src_inf || WARN_ON(fmd == NULL))
-		return;
-
-	md_si = source_to_sensor_info(src_inf);
-	spin_lock_irqsave(&fmd->slock, flags);
-	md_si->host = v4l2_get_subdevdata(fimc_sd);
-	spin_unlock_irqrestore(&fmd->slock, flags);
-}
-
-/**
- * fimc_pipeline_prepare - update pipeline information with subdevice pointers
- * @p: fimc pipeline
- * @me: media entity terminating the pipeline
- *
- * Caller holds the graph mutex.
- */
-static void fimc_pipeline_prepare(struct fimc_pipeline *p,
-					struct media_entity *me)
-{
-	struct fimc_md *fmd = entity_to_fimc_mdev(me);
-	struct v4l2_subdev *sd;
-	struct v4l2_subdev *sensor = NULL;
-	int i;
-
-	for (i = 0; i < IDX_MAX; i++)
-		p->subdevs[i] = NULL;
-
-	while (1) {
-		struct media_pad *pad = NULL;
-
-		/* Find remote source pad */
-		for (i = 0; i < me->num_pads; i++) {
-			struct media_pad *spad = &me->pads[i];
-			if (!(spad->flags & MEDIA_PAD_FL_SINK))
-				continue;
-			pad = media_entity_remote_pad(spad);
-			if (pad)
-				break;
-		}
-
-		if (!pad || !is_media_entity_v4l2_subdev(pad->entity))
-			break;
-		sd = media_entity_to_v4l2_subdev(pad->entity);
-
-		switch (sd->grp_id) {
-		case GRP_ID_SENSOR:
-			sensor = sd;
-			fallthrough;
-		case GRP_ID_FIMC_IS_SENSOR:
-			p->subdevs[IDX_SENSOR] = sd;
-			break;
-		case GRP_ID_CSIS:
-			p->subdevs[IDX_CSIS] = sd;
-			break;
-		case GRP_ID_FLITE:
-			p->subdevs[IDX_FLITE] = sd;
-			break;
-		case GRP_ID_FIMC:
-			p->subdevs[IDX_FIMC] = sd;
-			break;
-		case GRP_ID_FIMC_IS:
-			p->subdevs[IDX_IS_ISP] = sd;
-			break;
-		default:
-			break;
-		}
-		me = &sd->entity;
-		if (me->num_pads == 1)
-			break;
-	}
-
-	if (sensor && p->subdevs[IDX_FIMC])
-		__setup_sensor_notification(fmd, sensor, p->subdevs[IDX_FIMC]);
-}
-
-/**
- * __subdev_set_power - change power state of a single subdev
- * @sd: subdevice to change power state for
- * @on: 1 to enable power or 0 to disable
- *
- * Return result of s_power subdev operation or -ENXIO if sd argument
- * is NULL. Return 0 if the subdevice does not implement s_power.
- */
-static int __subdev_set_power(struct v4l2_subdev *sd, int on)
-{
-	int *use_count;
-	int ret;
-
-	if (sd == NULL)
-		return -ENXIO;
-
-	use_count = &sd->entity.use_count;
-	if (on && (*use_count)++ > 0)
-		return 0;
-	else if (!on && (*use_count == 0 || --(*use_count) > 0))
-		return 0;
-	ret = v4l2_subdev_call(sd, core, s_power, on);
-
-	return ret != -ENOIOCTLCMD ? ret : 0;
-}
-
-/**
- * fimc_pipeline_s_power - change power state of all pipeline subdevs
- * @p: fimc device terminating the pipeline
- * @on: true to power on, false to power off
- *
- * Needs to be called with the graph mutex held.
- */
-static int fimc_pipeline_s_power(struct fimc_pipeline *p, bool on)
-{
-	static const u8 seq[2][IDX_MAX - 1] = {
-		{ IDX_IS_ISP, IDX_SENSOR, IDX_CSIS, IDX_FLITE },
-		{ IDX_CSIS, IDX_FLITE, IDX_SENSOR, IDX_IS_ISP },
-	};
-	int i, ret = 0;
-
-	if (p->subdevs[IDX_SENSOR] == NULL)
-		return -ENXIO;
-
-	for (i = 0; i < IDX_MAX - 1; i++) {
-		unsigned int idx = seq[on][i];
-
-		ret = __subdev_set_power(p->subdevs[idx], on);
-
-
-		if (ret < 0 && ret != -ENXIO)
-			goto error;
-	}
-	return 0;
-error:
-	for (; i >= 0; i--) {
-		unsigned int idx = seq[on][i];
-		__subdev_set_power(p->subdevs[idx], !on);
-	}
-	return ret;
-}
-
-/**
- * __fimc_pipeline_enable - enable power of all pipeline subdevs
- *			    and the sensor clock
- * @ep: video pipeline structure
- * @fmd: fimc media device
- *
- * Called with the graph mutex held.
- */
-static int __fimc_pipeline_enable(struct exynos_media_pipeline *ep,
-				  struct fimc_md *fmd)
-{
-	struct fimc_pipeline *p = to_fimc_pipeline(ep);
-	int ret;
-
-	/* Enable PXLASYNC clock if this pipeline includes FIMC-IS */
-	if (!IS_ERR(fmd->wbclk[CLK_IDX_WB_B]) && p->subdevs[IDX_IS_ISP]) {
-		ret = clk_prepare_enable(fmd->wbclk[CLK_IDX_WB_B]);
-		if (ret < 0)
-			return ret;
-	}
-
-	ret = fimc_pipeline_s_power(p, 1);
-	if (!ret)
-		return 0;
-
-	if (!IS_ERR(fmd->wbclk[CLK_IDX_WB_B]) && p->subdevs[IDX_IS_ISP])
-		clk_disable_unprepare(fmd->wbclk[CLK_IDX_WB_B]);
-
-	return ret;
-}
-
-/**
- * __fimc_pipeline_open - update the pipeline information, enable power
- *                        of all pipeline subdevs and the sensor clock
- * @ep: fimc device terminating the pipeline
- * @me: media entity to start graph walk with
- * @prepare: true to walk the current pipeline and acquire all subdevs
- *
- * Called with the graph mutex held.
- */
-static int __fimc_pipeline_open(struct exynos_media_pipeline *ep,
-				struct media_entity *me, bool prepare)
-{
-	struct fimc_md *fmd = entity_to_fimc_mdev(me);
-	struct fimc_pipeline *p = to_fimc_pipeline(ep);
-	struct v4l2_subdev *sd;
-
-	if (WARN_ON(p == NULL || me == NULL))
-		return -EINVAL;
-
-	if (prepare)
-		fimc_pipeline_prepare(p, me);
-
-	sd = p->subdevs[IDX_SENSOR];
-	if (sd == NULL) {
-		pr_warn("%s(): No sensor subdev\n", __func__);
-		/*
-		 * Pipeline open cannot fail so as to make it possible
-		 * for the user space to configure the pipeline.
-		 */
-		return 0;
-	}
-
-	return __fimc_pipeline_enable(ep, fmd);
-}
-
-/**
- * __fimc_pipeline_close - disable the sensor clock and pipeline power
- * @ep: fimc device terminating the pipeline
- *
- * Disable power of all subdevs and turn the external sensor clock off.
- */
-static int __fimc_pipeline_close(struct exynos_media_pipeline *ep)
-{
-	struct fimc_pipeline *p = to_fimc_pipeline(ep);
-	struct v4l2_subdev *sd = p ? p->subdevs[IDX_SENSOR] : NULL;
-	struct fimc_md *fmd;
-	int ret;
-
-	if (sd == NULL) {
-		pr_warn("%s(): No sensor subdev\n", __func__);
-		return 0;
-	}
-
-	ret = fimc_pipeline_s_power(p, 0);
-
-	fmd = entity_to_fimc_mdev(&sd->entity);
-
-	/* Disable PXLASYNC clock if this pipeline includes FIMC-IS */
-	if (!IS_ERR(fmd->wbclk[CLK_IDX_WB_B]) && p->subdevs[IDX_IS_ISP])
-		clk_disable_unprepare(fmd->wbclk[CLK_IDX_WB_B]);
-
-	return ret == -ENXIO ? 0 : ret;
-}
-
-/**
- * __fimc_pipeline_s_stream - call s_stream() on pipeline subdevs
- * @ep: video pipeline structure
- * @on: passed as the s_stream() callback argument
- */
-static int __fimc_pipeline_s_stream(struct exynos_media_pipeline *ep, bool on)
-{
-	static const u8 seq[2][IDX_MAX] = {
-		{ IDX_FIMC, IDX_SENSOR, IDX_IS_ISP, IDX_CSIS, IDX_FLITE },
-		{ IDX_CSIS, IDX_FLITE, IDX_FIMC, IDX_SENSOR, IDX_IS_ISP },
-	};
-	struct fimc_pipeline *p = to_fimc_pipeline(ep);
-	enum fimc_subdev_index sd_id;
-	int i, ret = 0;
-
-	if (p->subdevs[IDX_SENSOR] == NULL) {
-		struct fimc_md *fmd;
-		struct v4l2_subdev *sd = p->subdevs[IDX_CSIS];
-
-		if (!sd)
-			sd = p->subdevs[IDX_FIMC];
-
-		if (!sd) {
-			/*
-			 * If neither CSIS nor FIMC was set up,
-			 * it's impossible to have any sensors
-			 */
-			return -ENODEV;
-		}
-
-		fmd = entity_to_fimc_mdev(&sd->entity);
-
-		if (!fmd->user_subdev_api) {
-			/*
-			 * Sensor must be already discovered if we
-			 * aren't in the user_subdev_api mode
-			 */
-			return -ENODEV;
-		}
-
-		/* Get pipeline sink entity */
-		if (p->subdevs[IDX_FIMC])
-			sd_id = IDX_FIMC;
-		else if (p->subdevs[IDX_IS_ISP])
-			sd_id = IDX_IS_ISP;
-		else if (p->subdevs[IDX_FLITE])
-			sd_id = IDX_FLITE;
-		else
-			return -ENODEV;
-
-		/*
-		 * Sensor could have been linked between open and STREAMON -
-		 * check if this is the case.
-		 */
-		fimc_pipeline_prepare(p, &p->subdevs[sd_id]->entity);
-
-		if (p->subdevs[IDX_SENSOR] == NULL)
-			return -ENODEV;
-
-		ret = __fimc_pipeline_enable(ep, fmd);
-		if (ret < 0)
-			return ret;
-
-	}
-
-	for (i = 0; i < IDX_MAX; i++) {
-		unsigned int idx = seq[on][i];
-
-		ret = v4l2_subdev_call(p->subdevs[idx], video, s_stream, on);
-
-		if (ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV)
-			goto error;
-	}
-
-	return 0;
-error:
-	fimc_pipeline_s_power(p, !on);
-	for (; i >= 0; i--) {
-		unsigned int idx = seq[on][i];
-		v4l2_subdev_call(p->subdevs[idx], video, s_stream, !on);
-	}
-	return ret;
-}
-
-/* Media pipeline operations for the FIMC/FIMC-LITE video device driver */
-static const struct exynos_media_pipeline_ops fimc_pipeline_ops = {
-	.open		= __fimc_pipeline_open,
-	.close		= __fimc_pipeline_close,
-	.set_stream	= __fimc_pipeline_s_stream,
-};
-
-static struct exynos_media_pipeline *fimc_md_pipeline_create(
-						struct fimc_md *fmd)
-{
-	struct fimc_pipeline *p;
-
-	p = kzalloc(sizeof(*p), GFP_KERNEL);
-	if (!p)
-		return NULL;
-
-	list_add_tail(&p->list, &fmd->pipelines);
-
-	p->ep.ops = &fimc_pipeline_ops;
-	return &p->ep;
-}
-
-static void fimc_md_pipelines_free(struct fimc_md *fmd)
-{
-	while (!list_empty(&fmd->pipelines)) {
-		struct fimc_pipeline *p;
-
-		p = list_entry(fmd->pipelines.next, typeof(*p), list);
-		list_del(&p->list);
-		kfree(p);
-	}
-}
-
-static int fimc_md_parse_one_endpoint(struct fimc_md *fmd,
-				   struct device_node *ep)
-{
-	int index = fmd->num_sensors;
-	struct fimc_source_info *pd = &fmd->sensor[index].pdata;
-	struct device_node *rem, *np;
-	struct v4l2_async_subdev *asd;
-	struct v4l2_fwnode_endpoint endpoint = { .bus_type = 0 };
-	int ret;
-
-	ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &endpoint);
-	if (ret) {
-		of_node_put(ep);
-		return ret;
-	}
-
-	if (WARN_ON(endpoint.base.port == 0) || index >= FIMC_MAX_SENSORS) {
-		of_node_put(ep);
-		return -EINVAL;
-	}
-
-	pd->mux_id = (endpoint.base.port - 1) & 0x1;
-
-	rem = of_graph_get_remote_port_parent(ep);
-	if (rem == NULL) {
-		v4l2_info(&fmd->v4l2_dev, "Remote device at %pOF not found\n",
-							ep);
-		of_node_put(ep);
-		return 0;
-	}
-
-	if (fimc_input_is_parallel(endpoint.base.port)) {
-		if (endpoint.bus_type == V4L2_MBUS_PARALLEL)
-			pd->sensor_bus_type = FIMC_BUS_TYPE_ITU_601;
-		else
-			pd->sensor_bus_type = FIMC_BUS_TYPE_ITU_656;
-		pd->flags = endpoint.bus.parallel.flags;
-	} else if (fimc_input_is_mipi_csi(endpoint.base.port)) {
-		/*
-		 * MIPI CSI-2: only input mux selection and
-		 * the sensor's clock frequency is needed.
-		 */
-		pd->sensor_bus_type = FIMC_BUS_TYPE_MIPI_CSI2;
-	} else {
-		v4l2_err(&fmd->v4l2_dev, "Wrong port id (%u) at node %pOF\n",
-			 endpoint.base.port, rem);
-	}
-	/*
-	 * For FIMC-IS handled sensors, that are placed under i2c-isp device
-	 * node, FIMC is connected to the FIMC-IS through its ISP Writeback
-	 * input. Sensors are attached to the FIMC-LITE hostdata interface
-	 * directly or through MIPI-CSIS, depending on the external media bus
-	 * used. This needs to be handled in a more reliable way, not by just
-	 * checking parent's node name.
-	 */
-	np = of_get_parent(rem);
-	of_node_put(rem);
-
-	if (of_node_name_eq(np, "i2c-isp"))
-		pd->fimc_bus_type = FIMC_BUS_TYPE_ISP_WRITEBACK;
-	else
-		pd->fimc_bus_type = pd->sensor_bus_type;
-	of_node_put(np);
-
-	if (WARN_ON(index >= ARRAY_SIZE(fmd->sensor))) {
-		of_node_put(ep);
-		return -EINVAL;
-	}
-
-	asd = v4l2_async_nf_add_fwnode_remote(&fmd->subdev_notifier,
-					      of_fwnode_handle(ep),
-					      struct v4l2_async_subdev);
-
-	of_node_put(ep);
-
-	if (IS_ERR(asd))
-		return PTR_ERR(asd);
-
-	fmd->sensor[index].asd = asd;
-	fmd->num_sensors++;
-
-	return 0;
-}
-
-/* Parse port node and register as a sub-device any sensor specified there. */
-static int fimc_md_parse_port_node(struct fimc_md *fmd,
-				   struct device_node *port)
-{
-	struct device_node *ep;
-	int ret;
-
-	for_each_child_of_node(port, ep) {
-		ret = fimc_md_parse_one_endpoint(fmd, ep);
-		if (ret < 0) {
-			of_node_put(ep);
-			return ret;
-		}
-	}
-
-	return 0;
-}
-
-/* Register all SoC external sub-devices */
-static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
-{
-	struct device_node *parent = fmd->pdev->dev.of_node;
-	struct device_node *ports = NULL;
-	struct device_node *node;
-	int ret;
-
-	/*
-	 * Runtime resume one of the FIMC entities to make sure
-	 * the sclk_cam clocks are not globally disabled.
-	 */
-	if (!fmd->pmf)
-		return -ENXIO;
-
-	ret = pm_runtime_resume_and_get(fmd->pmf);
-	if (ret < 0)
-		return ret;
-
-	fmd->num_sensors = 0;
-
-	/* Attach sensors linked to MIPI CSI-2 receivers */
-	for_each_available_child_of_node(parent, node) {
-		struct device_node *port;
-
-		if (!of_node_name_eq(node, "csis"))
-			continue;
-		/* The csis node can have only port subnode. */
-		port = of_get_next_child(node, NULL);
-		if (!port)
-			continue;
-
-		ret = fimc_md_parse_port_node(fmd, port);
-		of_node_put(port);
-		if (ret < 0) {
-			of_node_put(node);
-			goto cleanup;
-		}
-	}
-
-	/* Attach sensors listed in the parallel-ports node */
-	ports = of_get_child_by_name(parent, "parallel-ports");
-	if (!ports)
-		goto rpm_put;
-
-	for_each_child_of_node(ports, node) {
-		ret = fimc_md_parse_port_node(fmd, node);
-		if (ret < 0) {
-			of_node_put(node);
-			goto cleanup;
-		}
-	}
-	of_node_put(ports);
-
-rpm_put:
-	pm_runtime_put(fmd->pmf);
-	return 0;
-
-cleanup:
-	of_node_put(ports);
-	v4l2_async_nf_cleanup(&fmd->subdev_notifier);
-	pm_runtime_put(fmd->pmf);
-	return ret;
-}
-
-static int __of_get_csis_id(struct device_node *np)
-{
-	u32 reg = 0;
-
-	np = of_get_child_by_name(np, "port");
-	if (!np)
-		return -EINVAL;
-	of_property_read_u32(np, "reg", &reg);
-	of_node_put(np);
-	return reg - FIMC_INPUT_MIPI_CSI2_0;
-}
-
-/*
- * MIPI-CSIS, FIMC and FIMC-LITE platform devices registration.
- */
-static int register_fimc_lite_entity(struct fimc_md *fmd,
-				     struct fimc_lite *fimc_lite)
-{
-	struct v4l2_subdev *sd;
-	struct exynos_media_pipeline *ep;
-	int ret;
-
-	if (WARN_ON(fimc_lite->index >= FIMC_LITE_MAX_DEVS ||
-		    fmd->fimc_lite[fimc_lite->index]))
-		return -EBUSY;
-
-	sd = &fimc_lite->subdev;
-	sd->grp_id = GRP_ID_FLITE;
-
-	ep = fimc_md_pipeline_create(fmd);
-	if (!ep)
-		return -ENOMEM;
-
-	v4l2_set_subdev_hostdata(sd, ep);
-
-	ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
-	if (!ret)
-		fmd->fimc_lite[fimc_lite->index] = fimc_lite;
-	else
-		v4l2_err(&fmd->v4l2_dev, "Failed to register FIMC.LITE%d\n",
-			 fimc_lite->index);
-	return ret;
-}
-
-static int register_fimc_entity(struct fimc_md *fmd, struct fimc_dev *fimc)
-{
-	struct v4l2_subdev *sd;
-	struct exynos_media_pipeline *ep;
-	int ret;
-
-	if (WARN_ON(fimc->id >= FIMC_MAX_DEVS || fmd->fimc[fimc->id]))
-		return -EBUSY;
-
-	sd = &fimc->vid_cap.subdev;
-	sd->grp_id = GRP_ID_FIMC;
-
-	ep = fimc_md_pipeline_create(fmd);
-	if (!ep)
-		return -ENOMEM;
-
-	v4l2_set_subdev_hostdata(sd, ep);
-
-	ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
-	if (!ret) {
-		if (!fmd->pmf && fimc->pdev)
-			fmd->pmf = &fimc->pdev->dev;
-		fmd->fimc[fimc->id] = fimc;
-		fimc->vid_cap.user_subdev_api = fmd->user_subdev_api;
-	} else {
-		v4l2_err(&fmd->v4l2_dev, "Failed to register FIMC.%d (%d)\n",
-			 fimc->id, ret);
-	}
-	return ret;
-}
-
-static int register_csis_entity(struct fimc_md *fmd,
-				struct platform_device *pdev,
-				struct v4l2_subdev *sd)
-{
-	struct device_node *node = pdev->dev.of_node;
-	int id, ret;
-
-	id = node ? __of_get_csis_id(node) : max(0, pdev->id);
-
-	if (WARN_ON(id < 0 || id >= CSIS_MAX_ENTITIES))
-		return -ENOENT;
-
-	if (WARN_ON(fmd->csis[id].sd))
-		return -EBUSY;
-
-	sd->grp_id = GRP_ID_CSIS;
-	ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
-	if (!ret)
-		fmd->csis[id].sd = sd;
-	else
-		v4l2_err(&fmd->v4l2_dev,
-			 "Failed to register MIPI-CSIS.%d (%d)\n", id, ret);
-	return ret;
-}
-
-static int register_fimc_is_entity(struct fimc_md *fmd, struct fimc_is *is)
-{
-	struct v4l2_subdev *sd = &is->isp.subdev;
-	struct exynos_media_pipeline *ep;
-	int ret;
-
-	/* Allocate pipeline object for the ISP capture video node. */
-	ep = fimc_md_pipeline_create(fmd);
-	if (!ep)
-		return -ENOMEM;
-
-	v4l2_set_subdev_hostdata(sd, ep);
-
-	ret = v4l2_device_register_subdev(&fmd->v4l2_dev, sd);
-	if (ret) {
-		v4l2_err(&fmd->v4l2_dev,
-			 "Failed to register FIMC-ISP (%d)\n", ret);
-		return ret;
-	}
-
-	fmd->fimc_is = is;
-	return 0;
-}
-
-static int fimc_md_register_platform_entity(struct fimc_md *fmd,
-					    struct platform_device *pdev,
-					    int plat_entity)
-{
-	struct device *dev = &pdev->dev;
-	int ret = -EPROBE_DEFER;
-	void *drvdata;
-
-	/* Lock to ensure dev->driver won't change. */
-	device_lock(dev);
-
-	if (!dev->driver || !try_module_get(dev->driver->owner))
-		goto dev_unlock;
-
-	drvdata = dev_get_drvdata(dev);
-	/* Some subdev didn't probe successfully id drvdata is NULL */
-	if (drvdata) {
-		switch (plat_entity) {
-		case IDX_FIMC:
-			ret = register_fimc_entity(fmd, drvdata);
-			break;
-		case IDX_FLITE:
-			ret = register_fimc_lite_entity(fmd, drvdata);
-			break;
-		case IDX_CSIS:
-			ret = register_csis_entity(fmd, pdev, drvdata);
-			break;
-		case IDX_IS_ISP:
-			ret = register_fimc_is_entity(fmd, drvdata);
-			break;
-		default:
-			ret = -ENODEV;
-		}
-	}
-
-	module_put(dev->driver->owner);
-dev_unlock:
-	device_unlock(dev);
-	if (ret == -EPROBE_DEFER)
-		dev_info(&fmd->pdev->dev, "deferring %s device registration\n",
-			dev_name(dev));
-	else if (ret < 0)
-		dev_err(&fmd->pdev->dev, "%s device registration failed (%d)\n",
-			dev_name(dev), ret);
-	return ret;
-}
-
-/* Register FIMC, FIMC-LITE and CSIS media entities */
-static int fimc_md_register_platform_entities(struct fimc_md *fmd,
-					      struct device_node *parent)
-{
-	struct device_node *node;
-	int ret = 0;
-
-	for_each_available_child_of_node(parent, node) {
-		struct platform_device *pdev;
-		int plat_entity = -1;
-
-		pdev = of_find_device_by_node(node);
-		if (!pdev)
-			continue;
-
-		/* If driver of any entity isn't ready try all again later. */
-		if (of_node_name_eq(node, CSIS_OF_NODE_NAME))
-			plat_entity = IDX_CSIS;
-		else if (of_node_name_eq(node, FIMC_IS_OF_NODE_NAME))
-			plat_entity = IDX_IS_ISP;
-		else if (of_node_name_eq(node, FIMC_LITE_OF_NODE_NAME))
-			plat_entity = IDX_FLITE;
-		else if (of_node_name_eq(node, FIMC_OF_NODE_NAME) &&
-			 !of_property_read_bool(node, "samsung,lcd-wb"))
-			plat_entity = IDX_FIMC;
-
-		if (plat_entity >= 0)
-			ret = fimc_md_register_platform_entity(fmd, pdev,
-							plat_entity);
-		put_device(&pdev->dev);
-		if (ret < 0) {
-			of_node_put(node);
-			break;
-		}
-	}
-
-	return ret;
-}
-
-static void fimc_md_unregister_entities(struct fimc_md *fmd)
-{
-	int i;
-
-	for (i = 0; i < FIMC_MAX_DEVS; i++) {
-		struct fimc_dev *dev = fmd->fimc[i];
-		if (dev == NULL)
-			continue;
-		v4l2_device_unregister_subdev(&dev->vid_cap.subdev);
-		dev->vid_cap.ve.pipe = NULL;
-		fmd->fimc[i] = NULL;
-	}
-	for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) {
-		struct fimc_lite *dev = fmd->fimc_lite[i];
-		if (dev == NULL)
-			continue;
-		v4l2_device_unregister_subdev(&dev->subdev);
-		dev->ve.pipe = NULL;
-		fmd->fimc_lite[i] = NULL;
-	}
-	for (i = 0; i < CSIS_MAX_ENTITIES; i++) {
-		if (fmd->csis[i].sd == NULL)
-			continue;
-		v4l2_device_unregister_subdev(fmd->csis[i].sd);
-		fmd->csis[i].sd = NULL;
-	}
-
-	if (fmd->fimc_is)
-		v4l2_device_unregister_subdev(&fmd->fimc_is->isp.subdev);
-
-	v4l2_info(&fmd->v4l2_dev, "Unregistered all entities\n");
-}
-
-/**
- * __fimc_md_create_fimc_sink_links - create links to all FIMC entities
- * @fmd: fimc media device
- * @source: the source entity to create links to all fimc entities from
- * @sensor: sensor subdev linked to FIMC[fimc_id] entity, may be null
- * @pad: the source entity pad index
- * @link_mask: bitmask of the fimc devices for which link should be enabled
- */
-static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd,
-					    struct media_entity *source,
-					    struct v4l2_subdev *sensor,
-					    int pad, int link_mask)
-{
-	struct fimc_source_info *si = NULL;
-	struct media_entity *sink;
-	unsigned int flags = 0;
-	int i, ret = 0;
-
-	if (sensor) {
-		si = v4l2_get_subdev_hostdata(sensor);
-		/* Skip direct FIMC links in the logical FIMC-IS sensor path */
-		if (si && si->fimc_bus_type == FIMC_BUS_TYPE_ISP_WRITEBACK)
-			ret = 1;
-	}
-
-	for (i = 0; !ret && i < FIMC_MAX_DEVS; i++) {
-		if (!fmd->fimc[i])
-			continue;
-		/*
-		 * Some FIMC variants are not fitted with camera capture
-		 * interface. Skip creating a link from sensor for those.
-		 */
-		if (!fmd->fimc[i]->variant->has_cam_if)
-			continue;
-
-		flags = ((1 << i) & link_mask) ? MEDIA_LNK_FL_ENABLED : 0;
-
-		sink = &fmd->fimc[i]->vid_cap.subdev.entity;
-		ret = media_create_pad_link(source, pad, sink,
-					      FIMC_SD_PAD_SINK_CAM, flags);
-		if (ret)
-			return ret;
-
-		/* Notify FIMC capture subdev entity */
-		ret = media_entity_call(sink, link_setup, &sink->pads[0],
-					&source->pads[pad], flags);
-		if (ret)
-			break;
-
-		v4l2_info(&fmd->v4l2_dev, "created link [%s] %c> [%s]\n",
-			  source->name, flags ? '=' : '-', sink->name);
-	}
-
-	for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) {
-		if (!fmd->fimc_lite[i])
-			continue;
-
-		sink = &fmd->fimc_lite[i]->subdev.entity;
-		ret = media_create_pad_link(source, pad, sink,
-					       FLITE_SD_PAD_SINK, 0);
-		if (ret)
-			return ret;
-
-		/* Notify FIMC-LITE subdev entity */
-		ret = media_entity_call(sink, link_setup, &sink->pads[0],
-					&source->pads[pad], 0);
-		if (ret)
-			break;
-
-		v4l2_info(&fmd->v4l2_dev, "created link [%s] -> [%s]\n",
-			  source->name, sink->name);
-	}
-	return 0;
-}
-
-/* Create links from FIMC-LITE source pads to other entities */
-static int __fimc_md_create_flite_source_links(struct fimc_md *fmd)
-{
-	struct media_entity *source, *sink;
-	int i, ret = 0;
-
-	for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) {
-		struct fimc_lite *fimc = fmd->fimc_lite[i];
-
-		if (fimc == NULL)
-			continue;
-
-		source = &fimc->subdev.entity;
-		sink = &fimc->ve.vdev.entity;
-		/* FIMC-LITE's subdev and video node */
-		ret = media_create_pad_link(source, FLITE_SD_PAD_SOURCE_DMA,
-					       sink, 0, 0);
-		if (ret)
-			break;
-		/* Link from FIMC-LITE to IS-ISP subdev */
-		sink = &fmd->fimc_is->isp.subdev.entity;
-		ret = media_create_pad_link(source, FLITE_SD_PAD_SOURCE_ISP,
-					       sink, 0, 0);
-		if (ret)
-			break;
-	}
-
-	return ret;
-}
-
-/* Create FIMC-IS links */
-static int __fimc_md_create_fimc_is_links(struct fimc_md *fmd)
-{
-	struct fimc_isp *isp = &fmd->fimc_is->isp;
-	struct media_entity *source, *sink;
-	int i, ret;
-
-	source = &isp->subdev.entity;
-
-	for (i = 0; i < FIMC_MAX_DEVS; i++) {
-		if (fmd->fimc[i] == NULL)
-			continue;
-
-		/* Link from FIMC-IS-ISP subdev to FIMC */
-		sink = &fmd->fimc[i]->vid_cap.subdev.entity;
-		ret = media_create_pad_link(source, FIMC_ISP_SD_PAD_SRC_FIFO,
-					       sink, FIMC_SD_PAD_SINK_FIFO, 0);
-		if (ret)
-			return ret;
-	}
-
-	/* Link from FIMC-IS-ISP subdev to fimc-is-isp.capture video node */
-	sink = &isp->video_capture.ve.vdev.entity;
-
-	/* Skip this link if the fimc-is-isp video node driver isn't built-in */
-	if (sink->num_pads == 0)
-		return 0;
-
-	return media_create_pad_link(source, FIMC_ISP_SD_PAD_SRC_DMA,
-					sink, 0, 0);
-}
-
-/**
- * fimc_md_create_links - create default links between registered entities
- * @fmd: fimc media device
- *
- * Parallel interface sensor entities are connected directly to FIMC capture
- * entities. The sensors using MIPI CSIS bus are connected through immutable
- * link with CSI receiver entity specified by mux_id. Any registered CSIS
- * entity has a link to each registered FIMC capture entity. Enabled links
- * are created by default between each subsequent registered sensor and
- * subsequent FIMC capture entity. The number of default active links is
- * determined by the number of available sensors or FIMC entities,
- * whichever is less.
- */
-static int fimc_md_create_links(struct fimc_md *fmd)
-{
-	struct v4l2_subdev *csi_sensors[CSIS_MAX_ENTITIES] = { NULL };
-	struct v4l2_subdev *sensor, *csis;
-	struct fimc_source_info *pdata;
-	struct media_entity *source, *sink;
-	int i, pad, fimc_id = 0, ret = 0;
-	u32 flags, link_mask = 0;
-
-	for (i = 0; i < fmd->num_sensors; i++) {
-		if (fmd->sensor[i].subdev == NULL)
-			continue;
-
-		sensor = fmd->sensor[i].subdev;
-		pdata = v4l2_get_subdev_hostdata(sensor);
-		if (!pdata)
-			continue;
-
-		source = NULL;
-
-		switch (pdata->sensor_bus_type) {
-		case FIMC_BUS_TYPE_MIPI_CSI2:
-			if (WARN(pdata->mux_id >= CSIS_MAX_ENTITIES,
-				"Wrong CSI channel id: %d\n", pdata->mux_id))
-				return -EINVAL;
-
-			csis = fmd->csis[pdata->mux_id].sd;
-			if (WARN(csis == NULL,
-				 "MIPI-CSI interface specified but s5p-csis module is not loaded!\n"))
-				return -EINVAL;
-
-			pad = sensor->entity.num_pads - 1;
-			ret = media_create_pad_link(&sensor->entity, pad,
-					      &csis->entity, CSIS_PAD_SINK,
-					      MEDIA_LNK_FL_IMMUTABLE |
-					      MEDIA_LNK_FL_ENABLED);
-			if (ret)
-				return ret;
-
-			v4l2_info(&fmd->v4l2_dev, "created link [%s] => [%s]\n",
-				  sensor->entity.name, csis->entity.name);
-
-			source = NULL;
-			csi_sensors[pdata->mux_id] = sensor;
-			break;
-
-		case FIMC_BUS_TYPE_ITU_601...FIMC_BUS_TYPE_ITU_656:
-			source = &sensor->entity;
-			pad = 0;
-			break;
-
-		default:
-			v4l2_err(&fmd->v4l2_dev, "Wrong bus_type: %x\n",
-				 pdata->sensor_bus_type);
-			return -EINVAL;
-		}
-		if (source == NULL)
-			continue;
-
-		link_mask = 1 << fimc_id++;
-		ret = __fimc_md_create_fimc_sink_links(fmd, source, sensor,
-						       pad, link_mask);
-	}
-
-	for (i = 0; i < CSIS_MAX_ENTITIES; i++) {
-		if (fmd->csis[i].sd == NULL)
-			continue;
-
-		source = &fmd->csis[i].sd->entity;
-		pad = CSIS_PAD_SOURCE;
-		sensor = csi_sensors[i];
-
-		link_mask = 1 << fimc_id++;
-		ret = __fimc_md_create_fimc_sink_links(fmd, source, sensor,
-						       pad, link_mask);
-	}
-
-	/* Create immutable links between each FIMC's subdev and video node */
-	flags = MEDIA_LNK_FL_IMMUTABLE | MEDIA_LNK_FL_ENABLED;
-	for (i = 0; i < FIMC_MAX_DEVS; i++) {
-		if (!fmd->fimc[i])
-			continue;
-
-		source = &fmd->fimc[i]->vid_cap.subdev.entity;
-		sink = &fmd->fimc[i]->vid_cap.ve.vdev.entity;
-
-		ret = media_create_pad_link(source, FIMC_SD_PAD_SOURCE,
-					      sink, 0, flags);
-		if (ret)
-			break;
-	}
-
-	ret = __fimc_md_create_flite_source_links(fmd);
-	if (ret < 0)
-		return ret;
-
-	if (fmd->use_isp)
-		ret = __fimc_md_create_fimc_is_links(fmd);
-
-	return ret;
-}
-
-/*
- * The peripheral sensor and CAM_BLK (PIXELASYNCMx) clocks management.
- */
-static void fimc_md_put_clocks(struct fimc_md *fmd)
-{
-	int i = FIMC_MAX_CAMCLKS;
-
-	while (--i >= 0) {
-		if (IS_ERR(fmd->camclk[i].clock))
-			continue;
-		clk_put(fmd->camclk[i].clock);
-		fmd->camclk[i].clock = ERR_PTR(-EINVAL);
-	}
-
-	/* Writeback (PIXELASYNCMx) clocks */
-	for (i = 0; i < FIMC_MAX_WBCLKS; i++) {
-		if (IS_ERR(fmd->wbclk[i]))
-			continue;
-		clk_put(fmd->wbclk[i]);
-		fmd->wbclk[i] = ERR_PTR(-EINVAL);
-	}
-}
-
-static int fimc_md_get_clocks(struct fimc_md *fmd)
-{
-	struct device *dev = &fmd->pdev->dev;
-	char clk_name[32];
-	struct clk *clock;
-	int i, ret = 0;
-
-	for (i = 0; i < FIMC_MAX_CAMCLKS; i++)
-		fmd->camclk[i].clock = ERR_PTR(-EINVAL);
-
-	for (i = 0; i < FIMC_MAX_CAMCLKS; i++) {
-		snprintf(clk_name, sizeof(clk_name), "sclk_cam%u", i);
-		clock = clk_get(dev, clk_name);
-
-		if (IS_ERR(clock)) {
-			dev_err(dev, "Failed to get clock: %s\n", clk_name);
-			ret = PTR_ERR(clock);
-			break;
-		}
-		fmd->camclk[i].clock = clock;
-	}
-	if (ret)
-		fimc_md_put_clocks(fmd);
-
-	if (!fmd->use_isp)
-		return 0;
-	/*
-	 * For now get only PIXELASYNCM1 clock (Writeback B/ISP),
-	 * leave PIXELASYNCM0 out for the LCD Writeback driver.
-	 */
-	fmd->wbclk[CLK_IDX_WB_A] = ERR_PTR(-EINVAL);
-
-	for (i = CLK_IDX_WB_B; i < FIMC_MAX_WBCLKS; i++) {
-		snprintf(clk_name, sizeof(clk_name), "pxl_async%u", i);
-		clock = clk_get(dev, clk_name);
-		if (IS_ERR(clock)) {
-			v4l2_err(&fmd->v4l2_dev, "Failed to get clock: %s\n",
-				  clk_name);
-			ret = PTR_ERR(clock);
-			break;
-		}
-		fmd->wbclk[i] = clock;
-	}
-	if (ret)
-		fimc_md_put_clocks(fmd);
-
-	return ret;
-}
-
-static int __fimc_md_modify_pipeline(struct media_entity *entity, bool enable)
-{
-	struct exynos_video_entity *ve;
-	struct fimc_pipeline *p;
-	struct video_device *vdev;
-	int ret;
-
-	vdev = media_entity_to_video_device(entity);
-	if (vdev->entity.use_count == 0)
-		return 0;
-
-	ve = vdev_to_exynos_video_entity(vdev);
-	p = to_fimc_pipeline(ve->pipe);
-	/*
-	 * Nothing to do if we are disabling the pipeline, some link
-	 * has been disconnected and p->subdevs array is cleared now.
-	 */
-	if (!enable && p->subdevs[IDX_SENSOR] == NULL)
-		return 0;
-
-	if (enable)
-		ret = __fimc_pipeline_open(ve->pipe, entity, true);
-	else
-		ret = __fimc_pipeline_close(ve->pipe);
-
-	if (ret == 0 && !enable)
-		memset(p->subdevs, 0, sizeof(p->subdevs));
-
-	return ret;
-}
-
-/* Locking: called with entity->graph_obj.mdev->graph_mutex mutex held. */
-static int __fimc_md_modify_pipelines(struct media_entity *entity, bool enable,
-				      struct media_graph *graph)
-{
-	struct media_entity *entity_err = entity;
-	int ret;
-
-	/*
-	 * Walk current graph and call the pipeline open/close routine for each
-	 * opened video node that belongs to the graph of entities connected
-	 * through active links. This is needed as we cannot power on/off the
-	 * subdevs in random order.
-	 */
-	media_graph_walk_start(graph, entity);
-
-	while ((entity = media_graph_walk_next(graph))) {
-		if (!is_media_entity_v4l2_video_device(entity))
-			continue;
-
-		ret  = __fimc_md_modify_pipeline(entity, enable);
-
-		if (ret < 0)
-			goto err;
-	}
-
-	return 0;
-
-err:
-	media_graph_walk_start(graph, entity_err);
-
-	while ((entity_err = media_graph_walk_next(graph))) {
-		if (!is_media_entity_v4l2_video_device(entity_err))
-			continue;
-
-		__fimc_md_modify_pipeline(entity_err, !enable);
-
-		if (entity_err == entity)
-			break;
-	}
-
-	return ret;
-}
-
-static int fimc_md_link_notify(struct media_link *link, unsigned int flags,
-				unsigned int notification)
-{
-	struct media_graph *graph =
-		&container_of(link->graph_obj.mdev, struct fimc_md,
-			      media_dev)->link_setup_graph;
-	struct media_entity *sink = link->sink->entity;
-	int ret = 0;
-
-	/* Before link disconnection */
-	if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH) {
-		ret = media_graph_walk_init(graph,
-						   link->graph_obj.mdev);
-		if (ret)
-			return ret;
-		if (!(flags & MEDIA_LNK_FL_ENABLED))
-			ret = __fimc_md_modify_pipelines(sink, false, graph);
-#if 0
-		else
-			/* TODO: Link state change validation */
-#endif
-	/* After link activation */
-	} else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH) {
-		if (link->flags & MEDIA_LNK_FL_ENABLED)
-			ret = __fimc_md_modify_pipelines(sink, true, graph);
-		media_graph_walk_cleanup(graph);
-	}
-
-	return ret ? -EPIPE : 0;
-}
-
-static const struct media_device_ops fimc_md_ops = {
-	.link_notify = fimc_md_link_notify,
-};
-
-static ssize_t subdev_conf_mode_show(struct device *dev,
-				     struct device_attribute *attr, char *buf)
-{
-	struct fimc_md *fmd = dev_get_drvdata(dev);
-
-	if (fmd->user_subdev_api)
-		return strscpy(buf, "Sub-device API (sub-dev)\n", PAGE_SIZE);
-
-	return strscpy(buf, "V4L2 video node only API (vid-dev)\n", PAGE_SIZE);
-}
-
-static ssize_t subdev_conf_mode_store(struct device *dev,
-				      struct device_attribute *attr,
-				      const char *buf, size_t count)
-{
-	struct fimc_md *fmd = dev_get_drvdata(dev);
-	bool subdev_api;
-	int i;
-
-	if (!strcmp(buf, "vid-dev\n"))
-		subdev_api = false;
-	else if (!strcmp(buf, "sub-dev\n"))
-		subdev_api = true;
-	else
-		return count;
-
-	fmd->user_subdev_api = subdev_api;
-	for (i = 0; i < FIMC_MAX_DEVS; i++)
-		if (fmd->fimc[i])
-			fmd->fimc[i]->vid_cap.user_subdev_api = subdev_api;
-	return count;
-}
-/*
- * This device attribute is to select video pipeline configuration method.
- * There are following valid values:
- *  vid-dev - for V4L2 video node API only, subdevice will be configured
- *  by the host driver.
- *  sub-dev - for media controller API, subdevs must be configured in user
- *  space before starting streaming.
- */
-static DEVICE_ATTR_RW(subdev_conf_mode);
-
-static int cam_clk_prepare(struct clk_hw *hw)
-{
-	struct cam_clk *camclk = to_cam_clk(hw);
-
-	if (camclk->fmd->pmf == NULL)
-		return -ENODEV;
-
-	return pm_runtime_resume_and_get(camclk->fmd->pmf);
-}
-
-static void cam_clk_unprepare(struct clk_hw *hw)
-{
-	struct cam_clk *camclk = to_cam_clk(hw);
-
-	if (camclk->fmd->pmf == NULL)
-		return;
-
-	pm_runtime_put_sync(camclk->fmd->pmf);
-}
-
-static const struct clk_ops cam_clk_ops = {
-	.prepare = cam_clk_prepare,
-	.unprepare = cam_clk_unprepare,
-};
-
-static void fimc_md_unregister_clk_provider(struct fimc_md *fmd)
-{
-	struct cam_clk_provider *cp = &fmd->clk_provider;
-	unsigned int i;
-
-	if (cp->of_node)
-		of_clk_del_provider(cp->of_node);
-
-	for (i = 0; i < cp->num_clocks; i++)
-		clk_unregister(cp->clks[i]);
-}
-
-static int fimc_md_register_clk_provider(struct fimc_md *fmd)
-{
-	struct cam_clk_provider *cp = &fmd->clk_provider;
-	struct device *dev = &fmd->pdev->dev;
-	int i, ret;
-
-	for (i = 0; i < FIMC_MAX_CAMCLKS; i++) {
-		struct cam_clk *camclk = &cp->camclk[i];
-		struct clk_init_data init;
-		const char *p_name;
-
-		ret = of_property_read_string_index(dev->of_node,
-					"clock-output-names", i, &init.name);
-		if (ret < 0)
-			break;
-
-		p_name = __clk_get_name(fmd->camclk[i].clock);
-
-		/* It's safe since clk_register() will duplicate the string. */
-		init.parent_names = &p_name;
-		init.num_parents = 1;
-		init.ops = &cam_clk_ops;
-		init.flags = CLK_SET_RATE_PARENT;
-		camclk->hw.init = &init;
-		camclk->fmd = fmd;
-
-		cp->clks[i] = clk_register(NULL, &camclk->hw);
-		if (IS_ERR(cp->clks[i])) {
-			dev_err(dev, "failed to register clock: %s (%ld)\n",
-					init.name, PTR_ERR(cp->clks[i]));
-			ret = PTR_ERR(cp->clks[i]);
-			goto err;
-		}
-		cp->num_clocks++;
-	}
-
-	if (cp->num_clocks == 0) {
-		dev_warn(dev, "clk provider not registered\n");
-		return 0;
-	}
-
-	cp->clk_data.clks = cp->clks;
-	cp->clk_data.clk_num = cp->num_clocks;
-	cp->of_node = dev->of_node;
-	ret = of_clk_add_provider(dev->of_node, of_clk_src_onecell_get,
-				  &cp->clk_data);
-	if (ret == 0)
-		return 0;
-err:
-	fimc_md_unregister_clk_provider(fmd);
-	return ret;
-}
-
-static int subdev_notifier_bound(struct v4l2_async_notifier *notifier,
-				 struct v4l2_subdev *subdev,
-				 struct v4l2_async_subdev *asd)
-{
-	struct fimc_md *fmd = notifier_to_fimc_md(notifier);
-	struct fimc_sensor_info *si = NULL;
-	int i;
-
-	/* Find platform data for this sensor subdev */
-	for (i = 0; i < ARRAY_SIZE(fmd->sensor); i++)
-		if (fmd->sensor[i].asd &&
-		    fmd->sensor[i].asd->match.fwnode ==
-		    of_fwnode_handle(subdev->dev->of_node))
-			si = &fmd->sensor[i];
-
-	if (si == NULL)
-		return -EINVAL;
-
-	v4l2_set_subdev_hostdata(subdev, &si->pdata);
-
-	if (si->pdata.fimc_bus_type == FIMC_BUS_TYPE_ISP_WRITEBACK)
-		subdev->grp_id = GRP_ID_FIMC_IS_SENSOR;
-	else
-		subdev->grp_id = GRP_ID_SENSOR;
-
-	si->subdev = subdev;
-
-	v4l2_info(&fmd->v4l2_dev, "Registered sensor subdevice: %s (%d)\n",
-		  subdev->name, fmd->num_sensors);
-
-	fmd->num_sensors++;
-
-	return 0;
-}
-
-static int subdev_notifier_complete(struct v4l2_async_notifier *notifier)
-{
-	struct fimc_md *fmd = notifier_to_fimc_md(notifier);
-	int ret;
-
-	mutex_lock(&fmd->media_dev.graph_mutex);
-
-	ret = fimc_md_create_links(fmd);
-	if (ret < 0)
-		goto unlock;
-
-	ret = v4l2_device_register_subdev_nodes(&fmd->v4l2_dev);
-unlock:
-	mutex_unlock(&fmd->media_dev.graph_mutex);
-	if (ret < 0)
-		return ret;
-
-	return media_device_register(&fmd->media_dev);
-}
-
-static const struct v4l2_async_notifier_operations subdev_notifier_ops = {
-	.bound = subdev_notifier_bound,
-	.complete = subdev_notifier_complete,
-};
-
-static int fimc_md_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct v4l2_device *v4l2_dev;
-	struct pinctrl *pinctrl;
-	struct fimc_md *fmd;
-	int ret;
-
-	fmd = devm_kzalloc(dev, sizeof(*fmd), GFP_KERNEL);
-	if (!fmd)
-		return -ENOMEM;
-
-	spin_lock_init(&fmd->slock);
-	INIT_LIST_HEAD(&fmd->pipelines);
-	fmd->pdev = pdev;
-
-	strscpy(fmd->media_dev.model, "Samsung S5P FIMC",
-		sizeof(fmd->media_dev.model));
-	fmd->media_dev.ops = &fimc_md_ops;
-	fmd->media_dev.dev = dev;
-
-	v4l2_dev = &fmd->v4l2_dev;
-	v4l2_dev->mdev = &fmd->media_dev;
-	v4l2_dev->notify = fimc_sensor_notify;
-	strscpy(v4l2_dev->name, "s5p-fimc-md", sizeof(v4l2_dev->name));
-
-	fmd->use_isp = fimc_md_is_isp_available(dev->of_node);
-	fmd->user_subdev_api = true;
-
-	media_device_init(&fmd->media_dev);
-
-	ret = v4l2_device_register(dev, &fmd->v4l2_dev);
-	if (ret < 0) {
-		v4l2_err(v4l2_dev, "Failed to register v4l2_device: %d\n", ret);
-		goto err_md;
-	}
-
-	ret = fimc_md_get_clocks(fmd);
-	if (ret)
-		goto err_v4l2dev;
-
-	pinctrl = devm_pinctrl_get(dev);
-	if (IS_ERR(pinctrl)) {
-		ret = PTR_ERR(pinctrl);
-		if (ret != EPROBE_DEFER)
-			dev_err(dev, "Failed to get pinctrl: %d\n", ret);
-		goto err_clk;
-	}
-
-	platform_set_drvdata(pdev, fmd);
-
-	v4l2_async_nf_init(&fmd->subdev_notifier);
-
-	ret = fimc_md_register_platform_entities(fmd, dev->of_node);
-	if (ret)
-		goto err_clk;
-
-	ret = fimc_md_register_sensor_entities(fmd);
-	if (ret)
-		goto err_m_ent;
-
-	ret = device_create_file(&pdev->dev, &dev_attr_subdev_conf_mode);
-	if (ret)
-		goto err_cleanup;
-	/*
-	 * FIMC platform devices need to be registered before the sclk_cam
-	 * clocks provider, as one of these devices needs to be activated
-	 * to enable the clock.
-	 */
-	ret = fimc_md_register_clk_provider(fmd);
-	if (ret < 0) {
-		v4l2_err(v4l2_dev, "clock provider registration failed\n");
-		goto err_attr;
-	}
-
-	if (fmd->num_sensors > 0) {
-		fmd->subdev_notifier.ops = &subdev_notifier_ops;
-		fmd->num_sensors = 0;
-
-		ret = v4l2_async_nf_register(&fmd->v4l2_dev,
-					     &fmd->subdev_notifier);
-		if (ret)
-			goto err_clk_p;
-	}
-
-	return 0;
-
-err_clk_p:
-	fimc_md_unregister_clk_provider(fmd);
-err_attr:
-	device_remove_file(&pdev->dev, &dev_attr_subdev_conf_mode);
-err_cleanup:
-	v4l2_async_nf_cleanup(&fmd->subdev_notifier);
-err_m_ent:
-	fimc_md_unregister_entities(fmd);
-err_clk:
-	fimc_md_put_clocks(fmd);
-err_v4l2dev:
-	v4l2_device_unregister(&fmd->v4l2_dev);
-err_md:
-	media_device_cleanup(&fmd->media_dev);
-	return ret;
-}
-
-static int fimc_md_remove(struct platform_device *pdev)
-{
-	struct fimc_md *fmd = platform_get_drvdata(pdev);
-
-	if (!fmd)
-		return 0;
-
-	fimc_md_unregister_clk_provider(fmd);
-	v4l2_async_nf_unregister(&fmd->subdev_notifier);
-	v4l2_async_nf_cleanup(&fmd->subdev_notifier);
-
-	v4l2_device_unregister(&fmd->v4l2_dev);
-	device_remove_file(&pdev->dev, &dev_attr_subdev_conf_mode);
-	fimc_md_unregister_entities(fmd);
-	fimc_md_pipelines_free(fmd);
-	media_device_unregister(&fmd->media_dev);
-	media_device_cleanup(&fmd->media_dev);
-	fimc_md_put_clocks(fmd);
-
-	return 0;
-}
-
-static const struct platform_device_id fimc_driver_ids[] __always_unused = {
-	{ .name = "s5p-fimc-md" },
-	{ },
-};
-MODULE_DEVICE_TABLE(platform, fimc_driver_ids);
-
-static const struct of_device_id fimc_md_of_match[] = {
-	{ .compatible = "samsung,fimc" },
-	{ },
-};
-MODULE_DEVICE_TABLE(of, fimc_md_of_match);
-
-static struct platform_driver fimc_md_driver = {
-	.probe		= fimc_md_probe,
-	.remove		= fimc_md_remove,
-	.driver = {
-		.of_match_table = of_match_ptr(fimc_md_of_match),
-		.name		= "s5p-fimc-md",
-	}
-};
-
-static int __init fimc_md_init(void)
-{
-	int ret;
-
-	request_module("s5p-csis");
-	ret = fimc_register_driver();
-	if (ret)
-		return ret;
-
-	return platform_driver_register(&fimc_md_driver);
-}
-
-static void __exit fimc_md_exit(void)
-{
-	platform_driver_unregister(&fimc_md_driver);
-	fimc_unregister_driver();
-}
-
-module_init(fimc_md_init);
-module_exit(fimc_md_exit);
-
-MODULE_AUTHOR("Sylwester Nawrocki <s.nawrocki@samsung.com>");
-MODULE_DESCRIPTION("S5P FIMC camera host interface/video postprocessor driver");
-MODULE_LICENSE("GPL");
-MODULE_VERSION("2.0.1");