diff mbox series

[03/13] rpmsg: add helper to create the rpmsg ctrl device

Message ID 20200731121043.24199-4-arnaud.pouliquen@st.com (mailing list archive)
State New, archived
Headers show
Series introduce IOCTL interface for RPMsg channel management | expand

Commit Message

Arnaud POULIQUEN July 31, 2020, 12:10 p.m. UTC 
This function creates the rpmsg_ctl device using the
driver_override to link device to the driver.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
---
 drivers/rpmsg/rpmsg_internal.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox series

Patch

diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h
index d1549e5cb607..811d6e27a720 100644
--- a/drivers/rpmsg/rpmsg_internal.h
+++ b/drivers/rpmsg/rpmsg_internal.h
@@ -119,6 +119,21 @@  static inline int rpmsg_ns_register_device(struct rpmsg_device *rpdev)
 	return rpmsg_register_device(rpdev);
 }
 
+/**
+ * rpmsg_ctl_register_device() - register control device based on rpdev
+ * @rpdev:	prepared rpdev to be used for creating endpoints
+ *
+ * This function wraps rpmsg_register_device() preparing the rpdev for use as
+ * a control rpmsg driver forcing the channel name.
+ */
+static inline int rpmsg_ctl_register_device(struct rpmsg_device *rpdev)
+{
+	strcpy(rpdev->id.name, "rpmsg_ctrl");
+	rpdev->driver_override = "rpmsg_ctrl";
+
+	return rpmsg_register_device(rpdev);
+}
+
 int rpmsg_ns_announce_create(struct rpmsg_device *rpdev);
 int rpmsg_ns_announce_destroy(struct rpmsg_device *rpdev);