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authorAndrew F. Davis <afd@ti.com>2016-05-04 17:01:36 -0500
committerBjorn Andersson <bjorn.andersson@linaro.org>2016-05-06 11:08:58 -0700
commitbc3c57c13256c748a4e71d2ea7481d0c953e88e1 (patch)
tree8e842420e522430a890b741e294d381698cccf6a
parent9735a22799b9214d17d3c231fe377fc852f042e9 (diff)
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rpmsg: add THIS_MODULE to rpmsg_driver in rpmsg core
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>
-rw-r--r--drivers/rpmsg/virtio_rpmsg_bus.c8
-rw-r--r--include/linux/rpmsg.h6
2 files changed, 10 insertions, 4 deletions
diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 1fcd27c1f183..fe03b2aef450 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -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
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index 82a673905edb..7ff5790c185a 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -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