The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable@xxxxxxxxxxxxxxx>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x efa5fe19c0a9199f49e36e1f5242ed5c88da617d # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable@xxxxxxxxxxxxxxx>' --in-reply-to '2024012601-guidance-subtotal-5b16@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: efa5fe19c0a9 ("media: imx355: Enable runtime PM before registering async sub-device") 15786f7b564e ("media: v4l: fwnode: Rename v4l2_async_register_subdev_sensor_common") 9746b11715c3 ("media: i2c: Add imx334 camera sensor driver") 41b3e23376e9 ("media: dt-bindings: media: Add bindings for imx334") 3e90e5ad9497 ("media: Clarify v4l2-async subdevice addition API") 11c0d8fdccc5 ("media: i2c: Add support for the OV8865 image sensor") e43ccb0a045f ("media: i2c: Add support for the OV5648 image sensor") b24cc2a18c50 ("media: smiapp: Rename as "ccs"") 161cc847370a ("media: smiapp: Internal rename to CCS") 47ff2ff267ee ("media: smiapp: Rename register access functions") 235ac9a4b36c ("media: smiapp: Remove quirk function for writing a single 8-bit register") 42aab58f456a ("media: smiapp: Use CCS registers") 3e158e1f1ec2 ("media: smiapp: Switch to CCS limits") ca296a11156a ("media: smiapp: Read CCS limit values") 503a88422fb0 ("media: smiapp: Use MIPI CCS version and manufacturer ID information") e66a7c849086 ("media: smiapp: Add macros for accessing CCS registers") cb50351be662 ("media: smiapp: Remove macros for defining registers, merge definitions") ab47d5cd8253 ("media: smiapp: Calculate CCS limit offsets and limit buffer size") 82731a194fc1 ("media: smiapp: Use CCS register flags") 6493c4b777c2 ("media: smiapp: Import CCS definitions") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From efa5fe19c0a9199f49e36e1f5242ed5c88da617d Mon Sep 17 00:00:00 2001 From: Bingbu Cao <bingbu.cao@xxxxxxxxx> Date: Wed, 22 Nov 2023 17:46:06 +0800 Subject: [PATCH] media: imx355: Enable runtime PM before registering async sub-device As the sensor device maybe accessible right after its async sub-device is registered, such as ipu-bridge will try to power up sensor by sensor's client device's runtime PM from the async notifier callback, if runtime PM is not enabled, it will fail. So runtime PM should be ready before its async sub-device is registered and accessible by others. Fixes: df0b5c4a7ddd ("media: add imx355 camera sensor driver") Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Bingbu Cao <bingbu.cao@xxxxxxxxx> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c index e1b1d2fc79dd..8c995c58743a 100644 --- a/drivers/media/i2c/imx355.c +++ b/drivers/media/i2c/imx355.c @@ -1747,10 +1747,6 @@ static int imx355_probe(struct i2c_client *client) goto error_handler_free; } - ret = v4l2_async_register_subdev_sensor(&imx355->sd); - if (ret < 0) - goto error_media_entity; - /* * Device is already turned on by i2c-core with ACPI domain PM. * Enable runtime PM and turn off the device. @@ -1759,9 +1755,15 @@ static int imx355_probe(struct i2c_client *client) pm_runtime_enable(&client->dev); pm_runtime_idle(&client->dev); + ret = v4l2_async_register_subdev_sensor(&imx355->sd); + if (ret < 0) + goto error_media_entity_runtime_pm; + return 0; -error_media_entity: +error_media_entity_runtime_pm: + pm_runtime_disable(&client->dev); + pm_runtime_set_suspended(&client->dev); media_entity_cleanup(&imx355->sd.entity); error_handler_free:
