Lines Matching refs:must

53 registration. The following fields must be set:
55  - dev must point to the parent device (usually a pci_dev, usb_interface or
58  - model must be filled with the device model name as a NUL-terminated UTF-8
59    string. The device/model revision must not be stored in this field.
65    doesn't provide a unique serial number this field must be left empty.
68    NUL-terminated ASCII string. For PCI/PCIe devices bus_info must be set to
70    the usb_make_path() function must be used. This field is used by
79    minor must be incremented when new features are added to the userspace API
80    without breaking binary compatibility. The version major must be
118 Drivers must set the direction of every pad in the pads array before calling
135 IDs manually must ensure that all IDs are unique. IDs are not guaranteed to be
152 This function must be called during the cleanup phase after unregistering the
153 entity. Note that the media_entity instance itself must be freed explicitly by
165 field belongs to the media device driver and must not by touched by entity
190 One and only one of MEDIA_PAD_FL_SINK and MEDIA_PAD_FL_SOURCE must be set for
217 	MEDIA_LNK_FL_ENABLED must also be set since an immutable link is always
281 The use_count field is owned by media drivers and must not be touched by entity
282 drivers. Access to the field must be protected by the media device graph_mutex
308 Entity drivers must implement the link_setup operation if any of their links
309 is non-immutable. The operation must either configure the hardware or store
312 Link configuration must not have any side effect on other links. If an enabled
314 the link_setup operation must return -EBUSY and can't implicitly disable the
321 When starting streaming, drivers must notify all entities in the pipeline to
335 Calls to media_entity_pipeline_start() can be nested. The pipeline pointer must
341 When stopping the stream, drivers must notify the entities with
350 a streaming entity. Links that can be modified while streaming must be marked
356 operation must be done with the media_device graph_mutex held.