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Subject: media: Revert "media: v4l2-fwnode: Add a convenience function for registering subdevs with notifiers" Author: Steve Longerbeam <[email protected]> Date: Fri May 1 19:15:40 2020 +0200 The users of v4l2_async_register_fwnode_subdev() have switched to parsing their endpoints and setting up async sub-device lists in their notifiers locally, without using the endpoint parsing callbacks. There are no more users of v4l2_async_register_fwnode_subdev() so this convenience function can be removed. This reverts commit 1634f0eded87d1f150e823fa56cd782ea0775eb2. Signed-off-by: Steve Longerbeam <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/v4l2-core/v4l2-fwnode.c | 62 ----------------------------------- include/media/v4l2-fwnode.h | 38 --------------------- 2 files changed, 100 deletions(-) --- diff --git a/drivers/media/v4l2-core/v4l2-fwnode.c b/drivers/media/v4l2-core/v4l2-fwnode.c index 97f0f8b23b5d..e1f273ae8522 100644 --- a/drivers/media/v4l2-core/v4l2-fwnode.c +++ b/drivers/media/v4l2-core/v4l2-fwnode.c @@ -1323,68 +1323,6 @@ out_cleanup: } EXPORT_SYMBOL_GPL(v4l2_async_register_subdev_sensor_common); -int v4l2_async_register_fwnode_subdev(struct v4l2_subdev *sd, - size_t asd_struct_size, - unsigned int *ports, - unsigned int num_ports, - parse_endpoint_func parse_endpoint) -{ - struct v4l2_async_notifier *notifier; - struct device *dev = sd->dev; - struct fwnode_handle *fwnode; - int ret; - - if (WARN_ON(!dev)) - return -ENODEV; - - fwnode = dev_fwnode(dev); - if (!fwnode_device_is_available(fwnode)) - return -ENODEV; - - notifier = kzalloc(sizeof(*notifier), GFP_KERNEL); - if (!notifier) - return -ENOMEM; - - v4l2_async_notifier_init(notifier); - - if (!ports) { - ret = v4l2_async_notifier_parse_fwnode_endpoints(dev, notifier, - asd_struct_size, - parse_endpoint); - if (ret < 0) - goto out_cleanup; - } else { - unsigned int i; - - for (i = 0; i < num_ports; i++) { - ret = v4l2_async_notifier_parse_fwnode_endpoints_by_port(dev, notifier, asd_struct_size, ports[i], parse_endpoint); - if (ret < 0) - goto out_cleanup; - } - } - - ret = v4l2_async_subdev_notifier_register(sd, notifier); - if (ret < 0) - goto out_cleanup; - - ret = v4l2_async_register_subdev(sd); - if (ret < 0) - goto out_unregister; - - sd->subdev_notifier = notifier; - - return 0; - -out_unregister: - v4l2_async_notifier_unregister(notifier); -out_cleanup: - v4l2_async_notifier_cleanup(notifier); - kfree(notifier); - - return ret; -} -EXPORT_SYMBOL_GPL(v4l2_async_register_fwnode_subdev); - MODULE_LICENSE("GPL"); MODULE_AUTHOR("Sakari Ailus <[email protected]>"); MODULE_AUTHOR("Sylwester Nawrocki <[email protected]>"); diff --git a/include/media/v4l2-fwnode.h b/include/media/v4l2-fwnode.h index dd82d6d9764e..fad7a6480bf9 100644 --- a/include/media/v4l2-fwnode.h +++ b/include/media/v4l2-fwnode.h @@ -20,7 +20,6 @@ #include <linux/types.h> #include <media/v4l2-mediabus.h> -#include <media/v4l2-subdev.h> struct fwnode_handle; struct v4l2_async_notifier; @@ -490,43 +489,6 @@ v4l2_async_notifier_parse_fwnode_endpoints_by_port(struct device *dev, int v4l2_async_notifier_parse_fwnode_sensor_common(struct device *dev, struct v4l2_async_notifier *notifier); -/** - * v4l2_async_register_fwnode_subdev - registers a sub-device to the - * asynchronous sub-device framework - * and parses fwnode endpoints - * - * @sd: pointer to struct &v4l2_subdev - * @asd_struct_size: size of the driver's async sub-device struct, including - * sizeof(struct v4l2_async_subdev). The &struct - * v4l2_async_subdev shall be the first member of - * the driver's async sub-device struct, i.e. both - * begin at the same memory address. - * @ports: array of port id's to parse for fwnode endpoints. If NULL, will - * parse all ports owned by the sub-device. - * @num_ports: number of ports in @ports array. Ignored if @ports is NULL. - * @parse_endpoint: Driver's callback function called on each V4L2 fwnode - * endpoint. Optional. - * - * This function is just like v4l2_async_register_subdev() with the - * exception that calling it will also allocate a notifier for the - * sub-device, parse the sub-device's firmware node endpoints using - * v4l2_async_notifier_parse_fwnode_endpoints() or - * v4l2_async_notifier_parse_fwnode_endpoints_by_port(), and - * registers the sub-device notifier. The sub-device is similarly - * unregistered by calling v4l2_async_unregister_subdev(). - * - * While registered, the subdev module is marked as in-use. - * - * An error is returned if the module is no longer loaded on any attempts - * to register it. - */ -int -v4l2_async_register_fwnode_subdev(struct v4l2_subdev *sd, - size_t asd_struct_size, - unsigned int *ports, - unsigned int num_ports, - parse_endpoint_func parse_endpoint); - /* Helper macros to access the connector links. */ /** v4l2_connector_last_link - Helper macro to get the first _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
