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rpmsg: add THIS_MODULE to rpmsg_driver in rpmsg core

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Add register_rpmsg_driver helper macro that adds THIS_MODULE to
rpmsg_driver for the registering driver. We rename and modify
the existing register_rpmsg_driver to enable this.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Andrew F. Davis 2016-05-04 17:01:36 -05:00 committed by Bjorn Andersson
parent 9735a22799
commit bc3c57c132
2 changed files with 10 additions and 4 deletions
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8
drivers/rpmsg/virtio_rpmsg_bus.c
View File

@ -436,17 +436,19 @@ static struct bus_type rpmsg_bus = {
};
/**
* register_rpmsg_driver() - register an rpmsg driver with the rpmsg bus
* __register_rpmsg_driver() - register an rpmsg driver with the rpmsg bus
* @rpdrv: pointer to a struct rpmsg_driver
* @owner: owning module/driver
*
* Returns 0 on success, and an appropriate error value on failure.
*/
int register_rpmsg_driver(struct rpmsg_driver *rpdrv)
int __register_rpmsg_driver(struct rpmsg_driver *rpdrv, struct module *owner)
{
rpdrv->drv.bus = &rpmsg_bus;
rpdrv->drv.owner = owner;
return driver_register(&rpdrv->drv);
}
EXPORT_SYMBOL(register_rpmsg_driver);
EXPORT_SYMBOL(__register_rpmsg_driver);
/**
* unregister_rpmsg_driver() - unregister an rpmsg driver from the rpmsg bus

6
include/linux/rpmsg.h
View File

@ -169,7 +169,7 @@ struct rpmsg_driver {
int register_rpmsg_device(struct rpmsg_channel *dev);
void unregister_rpmsg_device(struct rpmsg_channel *dev);
int register_rpmsg_driver(struct rpmsg_driver *drv);
int __register_rpmsg_driver(struct rpmsg_driver *drv, struct module *owner);
void unregister_rpmsg_driver(struct rpmsg_driver *drv);
void rpmsg_destroy_ept(struct rpmsg_endpoint *);
struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_channel *,
@ -177,6 +177,10 @@ struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_channel *,
int
rpmsg_send_offchannel_raw(struct rpmsg_channel *, u32, u32, void *, int, bool);
/* use a macro to avoid include chaining to get THIS_MODULE */
#define register_rpmsg_driver(drv) \
__register_rpmsg_driver(drv, THIS_MODULE)
/**
* rpmsg_send() - send a message across to the remote processor
* @rpdev: the rpmsg channel