drivers/rpmsg/rpmsg_core.c

16 #include <linux/rpmsg.h>
27  * rpmsg_create_channel() - create a new rpmsg channel
29  * @rpdev: rpmsg device
32  * Return: a pointer to the new rpmsg device on success, or NULL on error.
49  * rpmsg_release_channel() - release a rpmsg channel
51  * @rpdev: rpmsg device
72  * @rpdev: rpmsg channel device
75  * @chinfo: channel_info with the local rpmsg address to bind with @cb
77  * Every rpmsg address in the system is bound to an rx callback (so when
78  * inbound messages arrive, they are dispatched by the rpmsg bus using the
82  * bind a callback, and possibly some private data too, to an rpmsg address
86  * Simple rpmsg drivers need not call rpmsg_create_ept, because an endpoint
87  * is already created for them when they are probed by the rpmsg bus
88  * (using the rx callback provided when they registered to the rpmsg bus).
91  * endpoint, their rx callback is bound to their rpmsg address, and when
93  * equals to the src address of their rpmsg channel), the driver's handler
97  * additional rpmsg addresses, and bind them to different rx callbacks.
105  * dynamically assign them an available rpmsg address (drivers should have
122  * rpmsg_destroy_ept() - destroy an existing rpmsg endpoint
125  * Should be used by drivers to destroy an rpmsg endpoint previously
138  * @ept: the rpmsg endpoint
144  * endpoint belongs to, using @ept's address and its associated rpmsg
167  * @ept: the rpmsg endpoint
196  * @ept: the rpmsg endpoint
228  * @ept: the rpmsg endpoint
256  * @ept: the rpmsg endpoint
284  * @ept:	the rpmsg endpoint
304  * @ept: the rpmsg endpoint
335  * @ept:	the rpmsg endpoint
354  * @ept: the rpmsg endpoint
374  * match a rpmsg channel with a channel info struct.
375  * this is used to make sure we're not creating rpmsg devices for channels
454 /* for more info, see Documentation/ABI/testing/sysfs-bus-rpmsg */
486 /* rpmsg devices and drivers are matched using the service name */
493 /* match rpmsg channel and rpmsg driver */
528  * when an rpmsg driver is probed with a channel, we seamlessly create
529  * it an endpoint, binding its rx callback to a unique local rpmsg
533  * processor (needed in case the driver is exposing an rpmsg service).
609 	.name		= "rpmsg",
618  * A helper for registering rpmsg device with driver override and name.
687  * __register_rpmsg_driver() - register an rpmsg driver with the rpmsg bus
702  * unregister_rpmsg_driver() - unregister an rpmsg driver from the rpmsg bus
718 	rpmsg_class = class_create("rpmsg");  in rpmsg_init()
720 		pr_err("failed to create rpmsg class\n");  in rpmsg_init()
726 		pr_err("failed to register rpmsg bus: %d\n", ret);  in rpmsg_init()