Merge tag 'for-5.18-2.6-signed' of git://linuxtv.org/sailus/media_tree into media_stage

Even yet more V4L2 patches for 5.18

* tag 'for-5.18-2.6-signed' of git://linuxtv.org/sailus/media_tree:
  media: i2c: Fix pixel array positions in ov8865
  media: adv7183: Convert to GPIO descriptors
  media: m5mols: Convert to use GPIO descriptors
  media: noon010p30: Convert to use GPIO descriptors
  media: mt9m111: Drop unused include
  media: adv7511: Drop unused include
  media: i2c: isl7998x: Add driver for Intersil ISL7998x
  media: dt-bindings: Add Intersil ISL79987 DT bindings
  media: media-entity: Clarify media_entity_cleanup() usage
  media: i2c: imx274: Drop surplus includes
  media: i2c: ccs: Drop unused include
  v4l: fwnode: Remove now-redundant loop from v4l2_fwnode_parse_reference()
  v4l: fwnode: Drop redunant -ENODATA check in property reference parsing
  media: media-entity: Simplify media_pipeline_start()
  media: media-entity: Add media_pad_is_streaming() helper function
  media: Add a driver for the og01a1b camera sensor
  media: i2c: ov5648: Fix lockdep error
  media: ov5640: Fix set format, v4l2_mbus_pixelcode not updated
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/i2c/isil,isl79987.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Intersil ISL79987 Analog to MIPI CSI-2 decoder
+
+maintainers:
+  - Michael Tretter <m.tretter@pengutronix.de>
+  - Marek Vasut <marex@denx.de>
+
+description:
+  The Intersil ISL79987 is an analog to MIPI CSI-2 decoder which is capable of
+  receiving up to four analog stream and multiplexing them into up to four MIPI
+  CSI-2 virtual channels, using one MIPI clock lane and 1/2 data lanes.
+
+properties:
+  compatible:
+    enum:
+      - isil,isl79987
+
+  reg:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+    description:
+      A GPIO spec for the RSTB pin (active high)
+
+  powerdown-gpios:
+    maxItems: 1
+    description:
+      A GPIO spec for the Power Down pin (active high)
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        unevaluatedProperties: false
+        description: Output port
+
+        properties:
+          endpoint:
+            $ref: /schemas/media/video-interfaces.yaml#
+            unevaluatedProperties: false
+
+            properties:
+              data-lanes:
+                minItems: 1
+                maxItems: 2
+
+            required:
+              - data-lanes
+
+    patternProperties:
+      "^port@[1-4]$":
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Input ports
+
+    required:
+      - port@0
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - ports
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      isl7998x_mipi@44 {
+        compatible = "isil,isl79987";
+        reg = <0x44>;
+        powerdown-gpios = <&gpio3 27 GPIO_ACTIVE_HIGH>;
+        reset-gpios = <&gpio3 28 GPIO_ACTIVE_HIGH>;
+
+        ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          port@0 {
+            reg = <0>;
+            isl79987_out: endpoint {
+              remote-endpoint = <&mipi_csi2_in>;
+              data-lanes = <1 2>;
+            };
+          };
+
+          port@1 {
+            reg = <1>;
+            endpoint {
+              remote-endpoint = <&camera_0>;
+            };
+          };
+
+          port@2 {
+            reg = <2>;
+            endpoint {
+              remote-endpoint = <&camera_1>;
+            };
+          };
+        };
+      };
+    };

MAINTAINERS

@@ -10006,6 +10006,14 @@ L:	linux-iio@vger.kernel.org
 F:	Documentation/devicetree/bindings/counter/interrupt-counter.yaml
 F:	drivers/counter/interrupt-cnt.c
 
+INTERSIL ISL7998X VIDEO DECODER DRIVER
+M:	Michael Tretter <m.tretter@pengutronix.de>
+R:	Pengutronix Kernel Team <kernel@pengutronix.de>
+L:	linux-media@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/media/i2c/isil,isl79987.yaml
+F:	drivers/media/i2c/isl7998x.c
+
 INVENSENSE ICM-426xx IMU DRIVER
 M:	Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
 L:	linux-iio@vger.kernel.org
@@ -14185,6 +14193,12 @@ M:	Harald Welte <laforge@gnumonks.org>
 S:	Maintained
 F:	drivers/char/pcmcia/cm4040_cs.*
 
+OMNIVISION OG01A1B SENSOR DRIVER
+M:	Shawn Tu <shawnx.tu@intel.com>
+L:	linux-media@vger.kernel.org
+S:	Maintained
+F:	drivers/media/i2c/og01a1b.c
+
 OMNIVISION OV02A10 SENSOR DRIVER
 M:	Dongchun Zhu <dongchun.zhu@mediatek.com>
 L:	linux-media@vger.kernel.org

drivers/media/i2c/Kconfig

@@ -325,6 +325,16 @@ config VIDEO_BT866
 	  To compile this driver as a module, choose M here: the
 	  module will be called bt866.
 
+config VIDEO_ISL7998X
+	tristate "Intersil ISL7998x video decoder"
+	depends on VIDEO_V4L2 && I2C
+	depends on OF_GPIO
+	select MEDIA_CONTROLLER
+	select VIDEO_V4L2_SUBDEV_API
+	help
+	  Support for Intersil ISL7998x analog to MIPI-CSI2 or
+	  BT.656 decoder.
+
 config VIDEO_KS0127
 	tristate "KS0127 video decoder"
 	depends on VIDEO_V4L2 && I2C
@@ -912,6 +922,19 @@ config VIDEO_IMX412
 	  To compile this driver as a module, choose M here: the
 	  module will be called imx412.
 
+config VIDEO_OG01A1B
+	tristate "OmniVision OG01A1B sensor support"
+	depends on I2C && VIDEO_V4L2
+	select MEDIA_CONTROLLER
+	select VIDEO_V4L2_SUBDEV_API
+	select V4L2_FWNODE
+	help
+	  This is a Video4Linux2 sensor driver for the OmniVision
+	  OG01A1B camera.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called og01a1b.
+
 config VIDEO_OV02A10
 	tristate "OmniVision OV02A10 sensor support"
 	depends on VIDEO_V4L2 && I2C

drivers/media/i2c/Makefile

@@ -64,6 +64,7 @@ obj-$(CONFIG_VIDEO_VP27SMPX) += vp27smpx.o
 obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o
 obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o
 obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o
+obj-$(CONFIG_VIDEO_OG01A1B) += og01a1b.o
 obj-$(CONFIG_VIDEO_OV02A10) += ov02a10.o
 obj-$(CONFIG_VIDEO_OV08D10) += ov08d10.o
 obj-$(CONFIG_VIDEO_OV2640) += ov2640.o
@@ -133,6 +134,7 @@ obj-$(CONFIG_VIDEO_IMX334)	+= imx334.o
 obj-$(CONFIG_VIDEO_IMX335)	+= imx335.o
 obj-$(CONFIG_VIDEO_IMX355)	+= imx355.o
 obj-$(CONFIG_VIDEO_IMX412)	+= imx412.o
+obj-$(CONFIG_VIDEO_ISL7998X)	+= isl7998x.o
 obj-$(CONFIG_VIDEO_MAX9286)	+= max9286.o
 obj-$(CONFIG_VIDEO_MAX9271_LIB)	+= max9271.o
 obj-$(CONFIG_VIDEO_RDACM20)	+= rdacm20.o

drivers/media/i2c/adv7183.c

@@ -7,7 +7,7 @@
 
 #include <linux/delay.h>
 #include <linux/errno.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -28,8 +28,8 @@ struct adv7183 {
 	v4l2_std_id std; /* Current set standard */
 	u32 input;
 	u32 output;
-	unsigned reset_pin;
-	unsigned oe_pin;
+	struct gpio_desc *reset_pin;
+	struct gpio_desc *oe_pin;
 	struct v4l2_mbus_framefmt fmt;
 };
 
@@ -465,9 +465,9 @@ static int adv7183_s_stream(struct v4l2_subdev *sd, int enable)
 	struct adv7183 *decoder = to_adv7183(sd);
 
 	if (enable)
-		gpio_set_value(decoder->oe_pin, 0);
+		gpiod_set_value(decoder->oe_pin, 1);
 	else
-		gpio_set_value(decoder->oe_pin, 1);
+		gpiod_set_value(decoder->oe_pin, 0);
 	udelay(1);
 	return 0;
 }
@@ -531,7 +531,6 @@ static int adv7183_probe(struct i2c_client *client,
 	struct v4l2_subdev_format fmt = {
 		.which = V4L2_SUBDEV_FORMAT_ACTIVE,
 	};
-	const unsigned *pin_array;
 
 	/* Check if the adapter supports the needed features */
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@@ -540,29 +539,28 @@ static int adv7183_probe(struct i2c_client *client,
 	v4l_info(client, "chip found @ 0x%02x (%s)\n",
 			client->addr << 1, client->adapter->name);
 
-	pin_array = client->dev.platform_data;
-	if (pin_array == NULL)
-		return -EINVAL;
-
 	decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL);
 	if (decoder == NULL)
 		return -ENOMEM;
 
-	decoder->reset_pin = pin_array[0];
-	decoder->oe_pin = pin_array[1];
-
-	if (devm_gpio_request_one(&client->dev, decoder->reset_pin,
-				  GPIOF_OUT_INIT_LOW, "ADV7183 Reset")) {
-		v4l_err(client, "failed to request GPIO %d\n", decoder->reset_pin);
-		return -EBUSY;
-	}
-
-	if (devm_gpio_request_one(&client->dev, decoder->oe_pin,
-				  GPIOF_OUT_INIT_HIGH,
-				  "ADV7183 Output Enable")) {
-		v4l_err(client, "failed to request GPIO %d\n", decoder->oe_pin);
-		return -EBUSY;
-	}
+	/*
+	 * Requesting high will assert reset, the line should be
+	 * flagged as active low in descriptor table or machine description.
+	 */
+	decoder->reset_pin = devm_gpiod_get(&client->dev, "reset",
+					    GPIOD_OUT_HIGH);
+	if (IS_ERR(decoder->reset_pin))
+		return PTR_ERR(decoder->reset_pin);
+	gpiod_set_consumer_name(decoder->reset_pin, "ADV7183 Reset");
+	/*
+	 * Requesting low will start with output disabled, the line should be
+	 * flagged as active low in descriptor table or machine description.
+	 */
+	decoder->oe_pin = devm_gpiod_get(&client->dev, "oe",
+					 GPIOD_OUT_LOW);
+	if (IS_ERR(decoder->oe_pin))
+		return PTR_ERR(decoder->oe_pin);
+	gpiod_set_consumer_name(decoder->reset_pin, "ADV7183 Output Enable");
 
 	sd = &decoder->sd;
 	v4l2_i2c_subdev_init(sd, client, &adv7183_ops);
@@ -594,7 +592,8 @@ static int adv7183_probe(struct i2c_client *client,
 	/* reset chip */
 	/* reset pulse width at least 5ms */
 	mdelay(10);
-	gpio_set_value(decoder->reset_pin, 1);
+	/* De-assert reset line (descriptor tagged active low) */
+	gpiod_set_value(decoder->reset_pin, 0);
 	/* wait 5ms before any further i2c writes are performed */
 	mdelay(5);
 

drivers/media/i2c/adv7511-v4l2.c

@@ -17,7 +17,6 @@
 #include <linux/i2c.h>
 #include <linux/delay.h>
 #include <linux/videodev2.h>
-#include <linux/gpio.h>
 #include <linux/workqueue.h>
 #include <linux/hdmi.h>
 #include <linux/v4l2-dv-timings.h>

drivers/media/i2c/ccs/ccs-core.c

@@ -17,7 +17,6 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/firmware.h>
-#include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/pm_runtime.h>

drivers/media/i2c/imx274.c

@@ -11,13 +11,11 @@
 
 #include <linux/clk.h>
 #include <linux/delay.h>
-#include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/of_gpio.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>

drivers/media/i2c/m5mols/m5mols.h

@@ -13,6 +13,7 @@
 #define M5MOLS_H
 
 #include <linux/sizes.h>
+#include <linux/gpio/consumer.h>
 #include <media/v4l2-subdev.h>
 #include "m5mols_reg.h"
 
@@ -224,6 +225,7 @@ struct m5mols_info {
 	struct v4l2_ctrl *jpeg_quality;
 
 	int (*set_power)(struct device *dev, int on);
+	struct gpio_desc *reset;
 
 	struct mutex lock;
 

drivers/media/i2c/m5mols/m5mols_capture.c

@@ -15,7 +15,6 @@
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-#include <linux/gpio.h>
 #include <linux/regulator/consumer.h>
 #include <linux/videodev2.h>
 #include <media/v4l2-ctrls.h>

drivers/media/i2c/m5mols/m5mols_core.c

@@ -14,7 +14,7 @@
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/regulator/consumer.h>
 #include <linux/videodev2.h>
 #include <linux/module.h>
@@ -752,7 +752,6 @@ static int m5mols_sensor_power(struct m5mols_info *info, bool enable)
 {
 	struct v4l2_subdev *sd = &info->sd;
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
-	const struct m5mols_platform_data *pdata = info->pdata;
 	int ret;
 
 	if (info->power == enable)
@@ -772,7 +771,7 @@ static int m5mols_sensor_power(struct m5mols_info *info, bool enable)
 			return ret;
 		}
 
-		gpio_set_value(pdata->gpio_reset, !pdata->reset_polarity);
+		gpiod_set_value(info->reset, 0);
 		info->power = 1;
 
 		return ret;
@@ -785,7 +784,7 @@ static int m5mols_sensor_power(struct m5mols_info *info, bool enable)
 	if (info->set_power)
 		info->set_power(&client->dev, 0);
 
-	gpio_set_value(pdata->gpio_reset, pdata->reset_polarity);
+	gpiod_set_value(info->reset, 1);
 
 	info->isp_ready = 0;
 	info->power = 0;
@@ -944,7 +943,6 @@ static int m5mols_probe(struct i2c_client *client,
 			const struct i2c_device_id *id)
 {
 	const struct m5mols_platform_data *pdata = client->dev.platform_data;
-	unsigned long gpio_flags;
 	struct m5mols_info *info;
 	struct v4l2_subdev *sd;
 	int ret;
@@ -954,11 +952,6 @@ static int m5mols_probe(struct i2c_client *client,
 		return -EINVAL;
 	}
 
-	if (!gpio_is_valid(pdata->gpio_reset)) {
-		dev_err(&client->dev, "No valid RESET GPIO specified\n");
-		return -EINVAL;
-	}
-
 	if (!client->irq) {
 		dev_err(&client->dev, "Interrupt not assigned\n");
 		return -EINVAL;
@@ -968,18 +961,16 @@ static int m5mols_probe(struct i2c_client *client,
 	if (!info)
 		return -ENOMEM;
 
+	/* This asserts reset, descriptor shall have polarity specified */
+	info->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(info->reset))
+		return PTR_ERR(info->reset);
+	/* Notice: the "N" in M5MOLS_NRST implies active low */
+	gpiod_set_consumer_name(info->reset, "M5MOLS_NRST");
+
 	info->pdata = pdata;
 	info->set_power	= pdata->set_power;
 
-	gpio_flags = pdata->reset_polarity
-		   ? GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW;
-	ret = devm_gpio_request_one(&client->dev, pdata->gpio_reset, gpio_flags,
-				    "M5MOLS_NRST");
-	if (ret) {
-		dev_err(&client->dev, "Failed to request gpio: %d\n", ret);
-		return ret;
-	}
-
 	ret = devm_regulator_bulk_get(&client->dev, ARRAY_SIZE(supplies),
 				      supplies);
 	if (ret) {

drivers/media/i2c/mt9m111.c

@@ -9,7 +9,6 @@
 #include <linux/slab.h>
 #include <linux/i2c.h>
 #include <linux/log2.h>
-#include <linux/gpio.h>
 #include <linux/delay.h>
 #include <linux/regulator/consumer.h>
 #include <linux/v4l2-mediabus.h>

drivers/media/i2c/noon010pc30.c

@@ -10,7 +10,7 @@
  */
 
 #include <linux/delay.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/slab.h>
 #include <linux/regulator/consumer.h>
@@ -130,8 +130,8 @@ struct noon010_info {
 	struct media_pad pad;
 	struct v4l2_ctrl_handler hdl;
 	struct regulator_bulk_data supply[NOON010_NUM_SUPPLIES];
-	u32 gpio_nreset;
-	u32 gpio_nstby;
+	struct gpio_desc *reset;
+	struct gpio_desc *stby;
 
 	/* Protects the struct members below */
 	struct mutex lock;
@@ -393,29 +393,33 @@ static int power_enable(struct noon010_info *info)
 		return 0;
 	}
 
-	if (gpio_is_valid(info->gpio_nstby))
-		gpio_set_value(info->gpio_nstby, 0);
+	/* Assert standby: line should be flagged active low in descriptor */
+	if (info->stby)
+		gpiod_set_value(info->stby, 1);
 
-	if (gpio_is_valid(info->gpio_nreset))
-		gpio_set_value(info->gpio_nreset, 0);
+	/* Assert reset: line should be flagged active low in descriptor */
+	if (info->reset)
+		gpiod_set_value(info->reset, 1);
 
 	ret = regulator_bulk_enable(NOON010_NUM_SUPPLIES, info->supply);
 	if (ret)
 		return ret;
 
-	if (gpio_is_valid(info->gpio_nreset)) {
+	/* De-assert reset and standby */
+	if (info->reset) {
 		msleep(50);
-		gpio_set_value(info->gpio_nreset, 1);
+		gpiod_set_value(info->reset, 0);
 	}
-	if (gpio_is_valid(info->gpio_nstby)) {
+	if (info->stby) {
 		udelay(1000);
-		gpio_set_value(info->gpio_nstby, 1);
+		gpiod_set_value(info->stby, 0);
 	}
-	if (gpio_is_valid(info->gpio_nreset)) {
+	/* Cycle reset: assert and deassert */
+	if (info->reset) {
 		udelay(1000);
-		gpio_set_value(info->gpio_nreset, 0);
+		gpiod_set_value(info->reset, 1);
 		msleep(100);
-		gpio_set_value(info->gpio_nreset, 1);
+		gpiod_set_value(info->reset, 0);
 		msleep(20);
 	}
 	info->power = 1;
@@ -438,11 +442,12 @@ static int power_disable(struct noon010_info *info)
 	if (ret)
 		return ret;
 
-	if (gpio_is_valid(info->gpio_nstby))
-		gpio_set_value(info->gpio_nstby, 0);
+	/* Assert standby and reset */
+	if (info->stby)
+		gpiod_set_value(info->stby, 1);
 
-	if (gpio_is_valid(info->gpio_nreset))
-		gpio_set_value(info->gpio_nreset, 0);
+	if (info->reset)
+		gpiod_set_value(info->reset, 1);
 
 	info->power = 0;
 
@@ -741,34 +746,24 @@ static int noon010_probe(struct i2c_client *client,
 		goto np_err;
 
 	info->i2c_reg_page	= -1;
-	info->gpio_nreset	= -EINVAL;
-	info->gpio_nstby	= -EINVAL;
 	info->curr_fmt		= &noon010_formats[0];
 	info->curr_win		= &noon010_sizes[0];
 
-	if (gpio_is_valid(pdata->gpio_nreset)) {
-		ret = devm_gpio_request_one(&client->dev, pdata->gpio_nreset,
-					    GPIOF_OUT_INIT_LOW,
-					    "NOON010PC30 NRST");
-		if (ret) {
-			dev_err(&client->dev, "GPIO request error: %d\n", ret);
+	/* Request reset asserted so we get put into reset */
+	info->reset = devm_gpiod_get(&client->dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(info->reset)) {
+		ret = PTR_ERR(info->reset);
 		goto np_err;
 	}
-		info->gpio_nreset = pdata->gpio_nreset;
-		gpio_export(info->gpio_nreset, 0);
-	}
+	gpiod_set_consumer_name(info->reset, "NOON010PC30 NRST");
 
-	if (gpio_is_valid(pdata->gpio_nstby)) {
-		ret = devm_gpio_request_one(&client->dev, pdata->gpio_nstby,
-					    GPIOF_OUT_INIT_LOW,
-					    "NOON010PC30 NSTBY");
-		if (ret) {
-			dev_err(&client->dev, "GPIO request error: %d\n", ret);
+	/* Request standby asserted so we get put into standby */
+	info->stby = devm_gpiod_get(&client->dev, "standby", GPIOD_OUT_HIGH);
+	if (IS_ERR(info->stby)) {
+		ret = PTR_ERR(info->stby);
 		goto np_err;
 	}
-		info->gpio_nstby = pdata->gpio_nstby;
-		gpio_export(info->gpio_nstby, 0);
-	}
+	gpiod_set_consumer_name(info->reset, "NOON010PC30 STBY");
 
 	for (i = 0; i < NOON010_NUM_SUPPLIES; i++)
 		info->supply[i].supply = noon010_supply_name[i];

drivers/media/i2c/ov5640.c

@@ -2293,7 +2293,6 @@ static int ov5640_set_fmt(struct v4l2_subdev *sd,
 	struct ov5640_dev *sensor = to_ov5640_dev(sd);
 	const struct ov5640_mode_info *new_mode;
 	struct v4l2_mbus_framefmt *mbus_fmt = &format->format;
-	struct v4l2_mbus_framefmt *fmt;
 	int ret;
 
 	if (format->pad != 0)
@@ -2311,12 +2310,10 @@ static int ov5640_set_fmt(struct v4l2_subdev *sd,
 	if (ret)
 		goto out;
 
-	if (format->which == V4L2_SUBDEV_FORMAT_TRY)
-		fmt = v4l2_subdev_get_try_format(sd, sd_state, 0);
-	else
-		fmt = &sensor->fmt;
-
-	*fmt = *mbus_fmt;
+	if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
+		*v4l2_subdev_get_try_format(sd, sd_state, 0) = *mbus_fmt;
+		goto out;
+	}
 
 	if (new_mode != sensor->current_mode) {
 		sensor->current_mode = new_mode;
@@ -2325,6 +2322,9 @@ static int ov5640_set_fmt(struct v4l2_subdev *sd,
 	if (mbus_fmt->code != sensor->fmt.code)
 		sensor->pending_fmt_change = true;
 
+	/* update format even if code is unchanged, resolution might change */
+	sensor->fmt = *mbus_fmt;
+
 	__v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate,
 				 ov5640_calc_pixel_rate(sensor));
 out:

drivers/media/i2c/ov5648.c

@@ -1778,8 +1778,14 @@ static int ov5648_state_configure(struct ov5648_sensor *sensor,
 
 static int ov5648_state_init(struct ov5648_sensor *sensor)
 {
-	return ov5648_state_configure(sensor, &ov5648_modes[0],
+	int ret;
+
+	mutex_lock(&sensor->mutex);
+	ret = ov5648_state_configure(sensor, &ov5648_modes[0],
 				     ov5648_mbus_codes[0]);
+	mutex_unlock(&sensor->mutex);
+
+	return ret;
 }
 
 /* Sensor Base */

drivers/media/i2c/ov8865.c

@@ -457,8 +457,8 @@
 
 #define OV8865_NATIVE_WIDTH			3296
 #define OV8865_NATIVE_HEIGHT			2528
-#define OV8865_ACTIVE_START_TOP			32
-#define OV8865_ACTIVE_START_LEFT		80
+#define OV8865_ACTIVE_START_LEFT		16
+#define OV8865_ACTIVE_START_TOP			40
 #define OV8865_ACTIVE_WIDTH			3264
 #define OV8865_ACTIVE_HEIGHT			2448
 

drivers/media/mc/mc-entity.c

@@ -396,11 +396,14 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
 	struct media_link *link;
 	int ret;
 
-	if (!pipe->streaming_count++) {
+	if (pipe->streaming_count) {
+		pipe->streaming_count++;
+		return 0;
+	}
+
 	ret = media_graph_walk_init(&pipe->graph, mdev);
 	if (ret)
-			goto error_graph_walk_start;
-	}
+		return ret;
 
 	media_graph_walk_start(&pipe->graph, entity);
 
@@ -408,8 +411,6 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
 		DECLARE_BITMAP(active, MEDIA_ENTITY_MAX_PADS);
 		DECLARE_BITMAP(has_no_links, MEDIA_ENTITY_MAX_PADS);
 
-		entity->stream_count++;
-
 		if (entity->pipe && entity->pipe != pipe) {
 			pr_err("Pipe active for %s. Can't start for %s\n",
 				entity->name,
@@ -418,12 +419,12 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
 			goto error;
 		}
 
-		entity->pipe = pipe;
-
 		/* Already streaming --- no need to check. */
-		if (entity->stream_count > 1)
+		if (entity->pipe)
 			continue;
 
+		entity->pipe = pipe;
+
 		if (!entity->ops || !entity->ops->link_validate)
 			continue;
 
@@ -479,6 +480,8 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
 		}
 	}
 
+	pipe->streaming_count++;
+
 	return 0;
 
 error:
@@ -489,23 +492,16 @@ __must_check int __media_pipeline_start(struct media_entity *entity,
 	media_graph_walk_start(graph, entity_err);
 
 	while ((entity_err = media_graph_walk_next(graph))) {
-		/* Sanity check for negative stream_count */
-		if (!WARN_ON_ONCE(entity_err->stream_count <= 0)) {
-			entity_err->stream_count--;
-			if (entity_err->stream_count == 0)
 		entity_err->pipe = NULL;
-		}
 
 		/*
-		 * We haven't increased stream_count further than this
-		 * so we quit here.
+		 * We haven't started entities further than this so we quit
+		 * here.
 		 */
 		if (entity_err == entity)
 			break;
 	}
 
-error_graph_walk_start:
-	if (!--pipe->streaming_count)
 	media_graph_walk_cleanup(graph);
 
 	return ret;
@@ -537,18 +533,14 @@ void __media_pipeline_stop(struct media_entity *entity)
 	if (WARN_ON(!pipe))
 		return;
 
+	if (--pipe->streaming_count)
+		return;
+
 	media_graph_walk_start(graph, entity);
 
-	while ((entity = media_graph_walk_next(graph))) {
-		/* Sanity check for negative stream_count */
-		if (!WARN_ON_ONCE(entity->stream_count <= 0)) {
-			entity->stream_count--;
-			if (entity->stream_count == 0)
+	while ((entity = media_graph_walk_next(graph)))
 		entity->pipe = NULL;
-		}
-	}
 
-	if (!--pipe->streaming_count)
 	media_graph_walk_cleanup(graph);
 
 }
@@ -834,7 +826,8 @@ int __media_entity_setup_link(struct media_link *link, u32 flags)
 	sink = link->sink->entity;
 
 	if (!(link->flags & MEDIA_LNK_FL_DYNAMIC) &&
-	    (source->stream_count || sink->stream_count))
+	    (media_entity_is_streaming(source) ||
+	     media_entity_is_streaming(sink)))
 		return -EBUSY;
 
 	mdev = source->graph_obj.mdev;

drivers/media/platform/exynos4-is/common.c

@@ -10,7 +10,10 @@
 #include <media/drv-intf/exynos-fimc.h>
 #include "common.h"
 
-/* Called with the media graph mutex held or entity->stream_count > 0. */
+/*
+ * Called with the media graph mutex held or media_entity_is_streaming(entity)
+ * true.
+ */
 struct v4l2_subdev *fimc_find_remote_sensor(struct media_entity *entity)
 {
 	struct media_pad *pad = &entity->pads[0];

drivers/media/platform/exynos4-is/fimc-isp.c

@@ -226,7 +226,7 @@ static int fimc_isp_subdev_set_fmt(struct v4l2_subdev *sd,
 			}
 		}
 	} else {
-		if (sd->entity.stream_count == 0) {
+		if (!media_entity_is_streaming(&sd->entity)) {
 			if (fmt->pad == FIMC_ISP_SD_PAD_SINK) {
 				struct v4l2_subdev_format format = *fmt;
 

drivers/media/platform/exynos4-is/fimc-lite.c

@@ -1073,7 +1073,7 @@ static int fimc_lite_subdev_set_fmt(struct v4l2_subdev *sd,
 	mutex_lock(&fimc->lock);
 
 	if ((atomic_read(&fimc->out_path) == FIMC_IO_ISP &&
-	    sd->entity.stream_count > 0) ||
+	    media_entity_is_streaming(&sd->entity)) ||
 	    (atomic_read(&fimc->out_path) == FIMC_IO_DMA &&
 	    vb2_is_busy(&fimc->vb_queue))) {
 		mutex_unlock(&fimc->lock);
@@ -1197,8 +1197,8 @@ static int fimc_lite_subdev_s_stream(struct v4l2_subdev *sd, int on)
 	 * Find sensor subdev linked to FIMC-LITE directly or through
 	 * MIPI-CSIS. This is required for configuration where FIMC-LITE
 	 * is used as a subdev only and feeds data internally to FIMC-IS.
-	 * The pipeline links are protected through entity.stream_count
-	 * so there is no need to take the media graph mutex here.
+	 * The pipeline links are protected through entity.pipe so there is no
+	 * need to take the media graph mutex here.
 	 */
 	fimc->sensor = fimc_find_remote_sensor(&sd->entity);
 

drivers/media/platform/rcar-vin/rcar-core.c

@@ -793,7 +793,7 @@ static int rvin_csi2_link_notify(struct media_link *link, u32 flags,
 	 * running streams.
 	 */
 	media_device_for_each_entity(entity, &group->mdev)
-		if (entity->stream_count)
+		if (media_entity_is_streaming(entity))
 			return -EBUSY;
 
 	/* Find the master VIN that controls the routes. */

drivers/media/v4l2-core/v4l2-fwnode.c

@@ -894,25 +894,8 @@ static int v4l2_fwnode_reference_parse(struct device *dev,
 	int ret;
 
 	for (index = 0;
-	     !(ret = fwnode_property_get_reference_args(dev_fwnode(dev),
-							prop, NULL, 0,
-							index, &args));
-	     index++)
-		fwnode_handle_put(args.fwnode);
-
-	if (!index)
-		return -ENOENT;
-
-	/*
-	 * Note that right now both -ENODATA and -ENOENT may signal
-	 * out-of-bounds access. Return the error in cases other than that.
-	 */
-	if (ret != -ENOENT && ret != -ENODATA)
-		return ret;
-
-	for (index = 0;
-	     !fwnode_property_get_reference_args(dev_fwnode(dev), prop, NULL,
-						 0, index, &args);
+	     !(ret = fwnode_property_get_reference_args(dev_fwnode(dev), prop,
+							NULL, 0, index, &args));
 	     index++) {
 		struct v4l2_async_subdev *asd;
 
@@ -928,7 +911,12 @@ static int v4l2_fwnode_reference_parse(struct device *dev,
 		}
 	}
 
-	return 0;
+	/* -ENOENT here means successful parsing */
+	if (ret != -ENOENT)
+		return ret;
+
+	/* Return -ENOENT if no references were found */
+	return index ? 0 : -ENOENT;
 }
 
 /*

include/media/i2c/m5mols.h

@@ -14,15 +14,11 @@
 
 /**
  * struct m5mols_platform_data - platform data for M-5MOLS driver
- * @gpio_reset:	GPIO driving the reset pin of M-5MOLS
- * @reset_polarity: active state for gpio_reset pin, 0 or 1
  * @set_power:	an additional callback to the board setup code
  *		to be called after enabling and before disabling
  *		the sensor's supply regulators
  */
 struct m5mols_platform_data {
-	int gpio_reset;
-	u8 reset_polarity;
 	int (*set_power)(struct device *dev, int on);
 };
 

include/media/i2c/noon010pc30.h

@@ -12,14 +12,10 @@
 /**
  * struct noon010pc30_platform_data - platform data
  * @clk_rate: the clock frequency in Hz
- * @gpio_nreset: GPIO driving nRESET pin
- * @gpio_nstby: GPIO driving nSTBY pin
  */
 
 struct noon010pc30_platform_data {
 	unsigned long clk_rate;
-	int gpio_nreset;
-	int gpio_nstby;
 };
 
 #endif /* NOON010PC30_H */

include/media/media-entity.h

@@ -268,7 +268,6 @@ enum media_entity_type {
  * @pads:	Pads array with the size defined by @num_pads.
  * @links:	List of data links.
  * @ops:	Entity operations.
- * @stream_count: Stream count for the entity.
  * @use_count:	Use count for the entity.
  * @pipe:	Pipeline this entity belongs to.
  * @info:	Union with devnode information.  Kept just for backward
@@ -283,10 +282,9 @@ enum media_entity_type {
  *
  * .. note::
  *
- *    @stream_count and @use_count reference counts must never be
- *    negative, but are signed integers on purpose: a simple ``WARN_ON(<0)``
- *    check can be used to detect reference count bugs that would make them
- *    negative.
+ *    The @use_count reference count must never be negative, but is a signed
+ *    integer on purpose: a simple ``WARN_ON(<0)`` check can be used to detect
+ *    reference count bugs that would make it negative.
  */
 struct media_entity {
 	struct media_gobj graph_obj;	/* must be first field in struct */
@@ -305,7 +303,6 @@ struct media_entity {
 
 	const struct media_entity_operations *ops;
 
-	int stream_count;
 	int use_count;
 
 	struct media_pipeline *pipe;
@@ -657,6 +654,10 @@ int media_entity_pads_init(struct media_entity *entity, u16 num_pads,
  *
  * This function must be called during the cleanup phase after unregistering
  * the entity (currently, it does nothing).
+ *
+ * Calling media_entity_cleanup() on a media_entity whose memory has been
+ * zeroed but that has not been initialized with media_entity_pad_init() is
+ * valid and is a no-op.
  */
 #if IS_ENABLED(CONFIG_MEDIA_CONTROLLER)
 static inline void media_entity_cleanup(struct media_entity *entity) {}
@@ -858,6 +859,18 @@ struct media_link *media_entity_find_link(struct media_pad *source,
  */
 struct media_pad *media_entity_remote_pad(const struct media_pad *pad);
 
+/**
+ * media_entity_is_streaming - Test if an entity is part of a streaming pipeline
+ * @entity: The entity
+ *
+ * Return: True if the entity is part of a pipeline started with the
+ * media_pipeline_start() function, false otherwise.
+ */
+static inline bool media_entity_is_streaming(const struct media_entity *entity)
+{
+	return entity->pipe;
+}
+
 /**
  * media_entity_get_fwnode_pad - Get pad number from fwnode
  *

include/uapi/linux/v4l2-controls.h

@@ -219,6 +219,12 @@ enum v4l2_colorfx {
  */
 #define V4L2_CID_USER_ALLEGRO_BASE		(V4L2_CID_USER_BASE + 0x1170)
 
+/*
+ * The base for the isl7998x driver controls.
+ * We reserve 16 controls for this driver.
+ */
+#define V4L2_CID_USER_ISL7998X_BASE		(V4L2_CID_USER_BASE + 0x1180)
+
 /* MPEG-class control IDs */
 /* The MPEG controls are applicable to all codec controls
  * and the 'MPEG' part of the define is historical */