diff mbox series

[1/1] media: v4l2-subdev: Drop HAS_EVENTS and event handlers

Message ID 20241029162106.3005800-1-tomm.merciai@gmail.com
State Superseded
Headers show
Series [1/1] media: v4l2-subdev: Drop HAS_EVENTS and event handlers | expand

Commit Message

Tommaso Merciai Oct. 29, 2024, 4:21 p.m. UTC 
v4l2_subdev_init_finalize() already sets the HAS_EVENTS flag if a
control handler is set, and subdev_do_ioctl() uses
v4l2_ctrl_subdev_subscribe_event() and v4l2_event_subdev_unsubscribe()
as defaults if the subdev doesn't have .(un)subscribe.
Let's drop the HAS_EVENTS flag and event handlers.

Signed-off-by: Tommaso Merciai <tomm.merciai@gmail.com>
---
 drivers/media/i2c/alvium-csi2.c |  5 +----
 drivers/media/i2c/ds90ub953.c   |  5 +----
 drivers/media/i2c/ds90ub960.c   |  5 +----
 drivers/media/i2c/gc0308.c      |  4 ----
 drivers/media/i2c/gc05a2.c      | 10 +---------
 drivers/media/i2c/gc08a3.c      | 10 +---------
 drivers/media/i2c/gc2145.c      | 10 +---------
 drivers/media/i2c/imx219.c      | 10 +---------
 drivers/media/i2c/imx283.c      | 10 +---------
 drivers/media/i2c/imx290.c      | 10 +---------
 drivers/media/i2c/max96714.c    |  6 +-----
 drivers/media/i2c/max96717.c    |  6 +-----
 drivers/media/i2c/ov01a10.c     |  6 +-----
 drivers/media/i2c/ov64a40.c     | 10 +---------
 drivers/media/i2c/ov8858.c      |  9 +--------
 drivers/media/i2c/thp7312.c     |  5 +----
 16 files changed, 15 insertions(+), 106 deletions(-)

Comments

Sakari Ailus Oct. 29, 2024, 9:16 p.m. UTC | #1 
Hi Tommaso, Laurent,

On Tue, Oct 29, 2024 at 10:58:49PM +0200, Laurent Pinchart wrote:
> Hi Tommaso,
> 
> Thank you for the patch.
> 
> The subject should start with "media: i2c:", not "media: v4l2-subdev:".
> 
> On Tue, Oct 29, 2024 at 05:21:05PM +0100, Tommaso Merciai wrote:
> > v4l2_subdev_init_finalize() already sets the HAS_EVENTS flag if a
> > control handler is set, and subdev_do_ioctl() uses
> > v4l2_ctrl_subdev_subscribe_event() and v4l2_event_subdev_unsubscribe()
> > as defaults if the subdev doesn't have .(un)subscribe.
> 
> That will be true once patch "[PATCH v2] media: v4l2-subdev: Refactor
> events" gets merged. It's good practice to list dependencies, possibly
> below the --- line (or in a cover letter) if you don't want it to appear
> in the commit message. I also recommend setting the format.useAutoBase
> option to automate recording of the base commit in the patch.

There was some fuzz applying this to the Alvium driver. I've pushed the
result to the devel branch in my git.linuxtv.org tree.
Tommaso Merciai Oct. 29, 2024, 10:12 p.m. UTC | #2 
Hi Sakari,
Thanks for your review.

On Tue, Oct 29, 2024 at 09:16:55PM +0000, Sakari Ailus wrote:
> Hi Tommaso, Laurent,
> 
> On Tue, Oct 29, 2024 at 10:58:49PM +0200, Laurent Pinchart wrote:
> > Hi Tommaso,
> > 
> > Thank you for the patch.
> > 
> > The subject should start with "media: i2c:", not "media: v4l2-subdev:".
> > 
> > On Tue, Oct 29, 2024 at 05:21:05PM +0100, Tommaso Merciai wrote:
> > > v4l2_subdev_init_finalize() already sets the HAS_EVENTS flag if a
> > > control handler is set, and subdev_do_ioctl() uses
> > > v4l2_ctrl_subdev_subscribe_event() and v4l2_event_subdev_unsubscribe()
> > > as defaults if the subdev doesn't have .(un)subscribe.
> > 
> > That will be true once patch "[PATCH v2] media: v4l2-subdev: Refactor
> > events" gets merged. It's good practice to list dependencies, possibly
> > below the --- line (or in a cover letter) if you don't want it to appear
> > in the commit message. I also recommend setting the format.useAutoBase
> > option to automate recording of the base commit in the patch.
> 
> There was some fuzz applying this to the Alvium driver. I've pushed the
> result to the devel branch in my git.linuxtv.org tree.

Sorry, I have some "todo" commits in my tree I will fix that in v2.

Thanks & Regards,
Tommaso

> 
> -- 
> Regards,
> 
> Sakari Ailus
diff mbox series

Patch

diff --git a/drivers/media/i2c/alvium-csi2.c b/drivers/media/i2c/alvium-csi2.c
index 5c294e4ad20c..5b66bfac195a 100644
--- a/drivers/media/i2c/alvium-csi2.c
+++ b/drivers/media/i2c/alvium-csi2.c
@@ -16,7 +16,6 @@ 
 #include <media/v4l2-async.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -2265,8 +2264,6 @@  static int alvium_ctrl_init(struct alvium_dev *alvium)
 
 static const struct v4l2_subdev_core_ops alvium_core_ops = {
 	.log_status = alvium_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_video_ops alvium_video_ops = {
@@ -2314,7 +2311,7 @@  static int alvium_subdev_init(struct alvium_dev *alvium)
 	v4l2_i2c_subdev_init(sd, client, &alvium_subdev_ops);
 
 	sd->internal_ops = &alvium_internal_ops;
-	sd->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE;
+	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	alvium->pad.flags = MEDIA_PAD_FL_SOURCE;
 	sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
 
diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 16f88db14981..8b028a84f5bc 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -24,7 +24,6 @@ 
 
 #include <media/i2c/ds90ub9xx.h>
 #include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-mediabus.h>
 #include <media/v4l2-subdev.h>
@@ -717,8 +716,6 @@  static const struct v4l2_subdev_pad_ops ub953_pad_ops = {
 
 static const struct v4l2_subdev_core_ops ub953_subdev_core_ops = {
 	.log_status = ub953_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_ops ub953_subdev_ops = {
@@ -1246,7 +1243,7 @@  static int ub953_subdev_init(struct ub953_data *priv)
 	priv->sd.internal_ops = &ub953_internal_ops;
 
 	priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			  V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_STREAMS;
+			  V4L2_SUBDEV_FL_STREAMS;
 	priv->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
 	priv->sd.entity.ops = &ub953_entity_ops;
 
diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
index 58424d8f72af..33f362a00875 100644
--- a/drivers/media/i2c/ds90ub960.c
+++ b/drivers/media/i2c/ds90ub960.c
@@ -48,7 +48,6 @@ 
 #include <media/i2c/ds90ub9xx.h>
 #include <media/mipi-csi2.h>
 #include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -3085,8 +3084,6 @@  static int ub960_log_status(struct v4l2_subdev *sd)
 
 static const struct v4l2_subdev_core_ops ub960_subdev_core_ops = {
 	.log_status = ub960_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_internal_ops ub960_internal_ops = {
@@ -3667,7 +3664,7 @@  static int ub960_create_subdev(struct ub960_data *priv)
 	}
 
 	priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			  V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_STREAMS;
+			  V4L2_SUBDEV_FL_STREAMS;
 	priv->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
 	priv->sd.entity.ops = &ub960_entity_ops;
 
diff --git a/drivers/media/i2c/gc0308.c b/drivers/media/i2c/gc0308.c
index fa754a8a39a6..069f42785b3c 100644
--- a/drivers/media/i2c/gc0308.c
+++ b/drivers/media/i2c/gc0308.c
@@ -18,7 +18,6 @@ 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -987,8 +986,6 @@  static const struct v4l2_ctrl_ops gc0308_ctrl_ops = {
 
 static const struct v4l2_subdev_core_ops gc0308_core_ops = {
 	.log_status = v4l2_ctrl_subdev_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	.g_register	= gc0308_g_register,
 	.s_register	= gc0308_s_register,
@@ -1338,7 +1335,6 @@  static int gc0308_probe(struct i2c_client *client)
 	v4l2_i2c_subdev_init(&gc0308->sd, client, &gc0308_subdev_ops);
 	gc0308->sd.internal_ops = &gc0308_internal_ops;
 	gc0308->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
-	gc0308->sd.flags |= V4L2_SUBDEV_FL_HAS_EVENTS;
 
 	ret = gc0308_init_controls(gc0308);
 	if (ret)
diff --git a/drivers/media/i2c/gc05a2.c b/drivers/media/i2c/gc05a2.c
index 0413c557e594..3f7f3d5abeeb 100644
--- a/drivers/media/i2c/gc05a2.c
+++ b/drivers/media/i2c/gc05a2.c
@@ -24,7 +24,6 @@ 
 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -1059,13 +1058,7 @@  static const struct v4l2_subdev_pad_ops gc05a2_subdev_pad_ops = {
 	.get_selection = gc05a2_get_selection,
 };
 
-static const struct v4l2_subdev_core_ops gc05a2_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_ops gc05a2_subdev_ops = {
-	.core = &gc05a2_core_ops,
 	.video = &gc05a2_video_ops,
 	.pad = &gc05a2_subdev_pad_ops,
 };
@@ -1271,8 +1264,7 @@  static int gc05a2_probe(struct i2c_client *client)
 		return dev_err_probe(dev, ret,
 				     "failed to init controls\n");
 
-	gc05a2->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			    V4L2_SUBDEV_FL_HAS_EVENTS;
+	gc05a2->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	gc05a2->pad.flags = MEDIA_PAD_FL_SOURCE;
 	gc05a2->sd.dev = &client->dev;
 	gc05a2->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
diff --git a/drivers/media/i2c/gc08a3.c b/drivers/media/i2c/gc08a3.c
index 84de5cff958d..938709a677b6 100644
--- a/drivers/media/i2c/gc08a3.c
+++ b/drivers/media/i2c/gc08a3.c
@@ -24,7 +24,6 @@ 
 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -1001,13 +1000,7 @@  static const struct v4l2_subdev_pad_ops gc08a3_subdev_pad_ops = {
 	.get_selection = gc08a3_get_selection,
 };
 
-static const struct v4l2_subdev_core_ops gc08a3_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_ops gc08a3_subdev_ops = {
-	.core = &gc08a3_core_ops,
 	.video = &gc08a3_video_ops,
 	.pad = &gc08a3_subdev_pad_ops,
 };
@@ -1247,8 +1240,7 @@  static int gc08a3_probe(struct i2c_client *client)
 		goto err_power_off;
 	}
 
-	gc08a3->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			    V4L2_SUBDEV_FL_HAS_EVENTS;
+	gc08a3->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	gc08a3->pad.flags = MEDIA_PAD_FL_SOURCE;
 	gc08a3->sd.dev = &client->dev;
 	gc08a3->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
diff --git a/drivers/media/i2c/gc2145.c b/drivers/media/i2c/gc2145.c
index 667bb756d056..03d78fbe8634 100644
--- a/drivers/media/i2c/gc2145.c
+++ b/drivers/media/i2c/gc2145.c
@@ -21,7 +21,6 @@ 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-mediabus.h>
 
@@ -1123,11 +1122,6 @@  static const u8 test_pattern_val[] = {
 	GC2145_TEST_UNIFORM | GC2145_TEST_BLACK,
 };
 
-static const struct v4l2_subdev_core_ops gc2145_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_video_ops gc2145_video_ops = {
 	.s_stream = gc2145_set_stream,
 };
@@ -1141,7 +1135,6 @@  static const struct v4l2_subdev_pad_ops gc2145_pad_ops = {
 };
 
 static const struct v4l2_subdev_ops gc2145_subdev_ops = {
-	.core = &gc2145_core_ops,
 	.video = &gc2145_video_ops,
 	.pad = &gc2145_pad_ops,
 };
@@ -1407,8 +1400,7 @@  static int gc2145_probe(struct i2c_client *client)
 		goto error_power_off;
 
 	/* Initialize subdev */
-	gc2145->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			    V4L2_SUBDEV_FL_HAS_EVENTS;
+	gc2145->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	gc2145->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 
 	/* Initialize source pad */
diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index e78a80b2bb2e..2d54cea113e1 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -26,7 +26,6 @@ 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-mediabus.h>
 
@@ -922,11 +921,6 @@  static int imx219_init_state(struct v4l2_subdev *sd,
 	return 0;
 }
 
-static const struct v4l2_subdev_core_ops imx219_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_video_ops imx219_video_ops = {
 	.s_stream = imx219_set_stream,
 };
@@ -940,7 +934,6 @@  static const struct v4l2_subdev_pad_ops imx219_pad_ops = {
 };
 
 static const struct v4l2_subdev_ops imx219_subdev_ops = {
-	.core = &imx219_core_ops,
 	.video = &imx219_video_ops,
 	.pad = &imx219_pad_ops,
 };
@@ -1166,8 +1159,7 @@  static int imx219_probe(struct i2c_client *client)
 		goto error_power_off;
 
 	/* Initialize subdev */
-	imx219->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			    V4L2_SUBDEV_FL_HAS_EVENTS;
+	imx219->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	imx219->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 
 	/* Initialize source pad */
diff --git a/drivers/media/i2c/imx283.c b/drivers/media/i2c/imx283.c
index 94276f4f2d83..f676faf4b301 100644
--- a/drivers/media/i2c/imx283.c
+++ b/drivers/media/i2c/imx283.c
@@ -32,7 +32,6 @@ 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-mediabus.h>
 
@@ -1284,11 +1283,6 @@  static int imx283_get_selection(struct v4l2_subdev *sd,
 	}
 }
 
-static const struct v4l2_subdev_core_ops imx283_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_video_ops imx283_video_ops = {
 	.s_stream = v4l2_subdev_s_stream_helper,
 };
@@ -1308,7 +1302,6 @@  static const struct v4l2_subdev_internal_ops imx283_internal_ops = {
 };
 
 static const struct v4l2_subdev_ops imx283_subdev_ops = {
-	.core = &imx283_core_ops,
 	.video = &imx283_video_ops,
 	.pad = &imx283_pad_ops,
 };
@@ -1548,8 +1541,7 @@  static int imx283_probe(struct i2c_client *client)
 		goto error_pm;
 
 	/* Initialize subdev */
-	imx283->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			    V4L2_SUBDEV_FL_HAS_EVENTS;
+	imx283->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	imx283->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	imx283->sd.internal_ops = &imx283_internal_ops;
 
diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index 49a5bf9c17da..ee698c99001d 100644
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -24,7 +24,6 @@ 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -1210,11 +1209,6 @@  static int imx290_entity_init_state(struct v4l2_subdev *subdev,
 	return 0;
 }
 
-static const struct v4l2_subdev_core_ops imx290_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_video_ops imx290_video_ops = {
 	.s_stream = imx290_set_stream,
 };
@@ -1228,7 +1222,6 @@  static const struct v4l2_subdev_pad_ops imx290_pad_ops = {
 };
 
 static const struct v4l2_subdev_ops imx290_subdev_ops = {
-	.core = &imx290_core_ops,
 	.video = &imx290_video_ops,
 	.pad = &imx290_pad_ops,
 };
@@ -1262,8 +1255,7 @@  static int imx290_subdev_init(struct imx290 *imx290)
 	pm_runtime_put_autosuspend(imx290->dev);
 
 	imx290->sd.internal_ops = &imx290_internal_ops;
-	imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			    V4L2_SUBDEV_FL_HAS_EVENTS;
+	imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	imx290->sd.entity.ops = &imx290_subdev_entity_ops;
 	imx290->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 
diff --git a/drivers/media/i2c/max96714.c b/drivers/media/i2c/max96714.c
index 2257b6b807ea..159753b13777 100644
--- a/drivers/media/i2c/max96714.c
+++ b/drivers/media/i2c/max96714.c
@@ -17,7 +17,6 @@ 
 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -489,8 +488,6 @@  static int max96714_log_status(struct v4l2_subdev *sd)
 
 static const struct v4l2_subdev_core_ops max96714_subdev_core_ops = {
 	.log_status = max96714_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_video_ops max96714_video_ops = {
@@ -605,8 +602,7 @@  static int max96714_create_subdev(struct max96714_priv *priv)
 		goto err_free_ctrl;
 	}
 
-	priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			  V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_STREAMS;
+	priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_STREAMS;
 	priv->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
 	priv->sd.entity.ops = &max96714_entity_ops;
 
diff --git a/drivers/media/i2c/max96717.c b/drivers/media/i2c/max96717.c
index 047bad30e263..9259d58ba734 100644
--- a/drivers/media/i2c/max96717.c
+++ b/drivers/media/i2c/max96717.c
@@ -17,7 +17,6 @@ 
 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -577,8 +576,6 @@  static const struct v4l2_subdev_pad_ops max96717_pad_ops = {
 
 static const struct v4l2_subdev_core_ops max96717_subdev_core_ops = {
 	.log_status = max96717_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_internal_ops max96717_internal_ops = {
@@ -692,8 +689,7 @@  static int max96717_subdev_init(struct max96717_priv *priv)
 		goto err_free_ctrl;
 	}
 
-	priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-			  V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_STREAMS;
+	priv->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_STREAMS;
 	priv->sd.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE;
 	priv->sd.entity.ops = &max96717_entity_ops;
 
diff --git a/drivers/media/i2c/ov01a10.c b/drivers/media/i2c/ov01a10.c
index 5606437f37d0..a608cb51ac6e 100644
--- a/drivers/media/i2c/ov01a10.c
+++ b/drivers/media/i2c/ov01a10.c
@@ -13,7 +13,6 @@ 
 
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 
 #define OV01A10_LINK_FREQ_400MHZ	400000000ULL
@@ -804,8 +803,6 @@  static int ov01a10_get_selection(struct v4l2_subdev *sd,
 
 static const struct v4l2_subdev_core_ops ov01a10_core_ops = {
 	.log_status = v4l2_ctrl_subdev_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_video_ops ov01a10_video_ops = {
@@ -892,8 +889,7 @@  static int ov01a10_probe(struct i2c_client *client)
 	}
 
 	ov01a10->sd.state_lock = ov01a10->ctrl_handler.lock;
-	ov01a10->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
-		V4L2_SUBDEV_FL_HAS_EVENTS;
+	ov01a10->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	ov01a10->sd.entity.ops = &ov01a10_subdev_entity_ops;
 	ov01a10->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	ov01a10->pad.flags = MEDIA_PAD_FL_SOURCE;
diff --git a/drivers/media/i2c/ov64a40.c b/drivers/media/i2c/ov64a40.c
index 541bf74581d2..a5da4fe47e0b 100644
--- a/drivers/media/i2c/ov64a40.c
+++ b/drivers/media/i2c/ov64a40.c
@@ -18,7 +18,6 @@ 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-mediabus.h>
 #include <media/v4l2-subdev.h>
@@ -3200,13 +3199,7 @@  static const struct v4l2_subdev_pad_ops ov64a40_pad_ops = {
 	.get_selection = ov64a40_get_selection,
 };
 
-static const struct v4l2_subdev_core_ops ov64a40_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_ops ov64a40_subdev_ops = {
-	.core = &ov64a40_core_ops,
 	.video = &ov64a40_video_ops,
 	.pad = &ov64a40_pad_ops,
 };
@@ -3605,8 +3598,7 @@  static int ov64a40_probe(struct i2c_client *client)
 
 	/* Initialize subdev */
 	ov64a40->sd.internal_ops = &ov64a40_internal_ops;
-	ov64a40->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE
-			  | V4L2_SUBDEV_FL_HAS_EVENTS;
+	ov64a40->sd.flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
 	ov64a40->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
 
 	ov64a40->pad.flags = MEDIA_PAD_FL_SOURCE;
diff --git a/drivers/media/i2c/ov8858.c b/drivers/media/i2c/ov8858.c
index 174c65f76886..7dcb235d2056 100644
--- a/drivers/media/i2c/ov8858.c
+++ b/drivers/media/i2c/ov8858.c
@@ -24,7 +24,6 @@ 
 #include <media/v4l2-common.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-mediabus.h>
 #include <media/v4l2-subdev.h>
@@ -1500,13 +1499,7 @@  static const struct v4l2_subdev_pad_ops ov8858_pad_ops = {
 	.set_fmt = ov8858_set_fmt,
 };
 
-static const struct v4l2_subdev_core_ops ov8858_core_ops = {
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
 static const struct v4l2_subdev_ops ov8858_subdev_ops = {
-	.core	= &ov8858_core_ops,
 	.video	= &ov8858_video_ops,
 	.pad	= &ov8858_pad_ops,
 };
@@ -1917,7 +1910,7 @@  static int ov8858_probe(struct i2c_client *client)
 		return ret;
 
 	sd = &ov8858->subdev;
-	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
+	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	ov8858->pad.flags = MEDIA_PAD_FL_SOURCE;
 	sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
 	ret = media_entity_pads_init(&sd->entity, 1, &ov8858->pad);
diff --git a/drivers/media/i2c/thp7312.c b/drivers/media/i2c/thp7312.c
index 75225ff5eff6..e2679601a301 100644
--- a/drivers/media/i2c/thp7312.c
+++ b/drivers/media/i2c/thp7312.c
@@ -27,7 +27,6 @@ 
 #include <media/v4l2-cci.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
 #include <media/v4l2-fwnode.h>
 #include <media/v4l2-subdev.h>
 
@@ -879,8 +878,6 @@  static int thp7312_init_state(struct v4l2_subdev *sd,
 
 static const struct v4l2_subdev_core_ops thp7312_core_ops = {
 	.log_status = v4l2_ctrl_subdev_log_status,
-	.subscribe_event = v4l2_ctrl_subdev_subscribe_event,
-	.unsubscribe_event = v4l2_event_subdev_unsubscribe,
 };
 
 static const struct v4l2_subdev_video_ops thp7312_video_ops = {
@@ -2127,7 +2124,7 @@  static int thp7312_probe(struct i2c_client *client)
 
 	v4l2_i2c_subdev_init(&thp7312->sd, client, &thp7312_subdev_ops);
 	thp7312->sd.internal_ops = &thp7312_internal_ops;
-	thp7312->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
+	thp7312->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	thp7312->pad.flags = MEDIA_PAD_FL_SOURCE;
 	thp7312->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;