[PATCH v2 09/16] rpmsg: char: register RPMsg raw service to the ioctl interface.

Arnaud Pouliquen
2020-12-22T10:59:06Z

Associate the RPMsg char to the RPMSG_RAW_SERVICE, by registering it to the
RPMsg Control.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
---
drivers/rpmsg/rpmsg_char.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
index 3d77f4d5fc32..66e01b979e72 100644
--- a/drivers/rpmsg/rpmsg_char.c
+++ b/drivers/rpmsg/rpmsg_char.c
@@ -394,6 +394,11 @@ static struct rpmsg_driver rpmsg_chrdev_driver = {
},
};

+const struct rpmsg_drv_ctrl_info rpmsg_chrdev_ctrl = {
+ .drv_name = "rpmsg_chrdev",
+ .service = RPMSG_RAW_SERVICE,
+};
+
static int rpmsg_chrdev_init(void)
{
int ret;
@@ -407,15 +412,27 @@ static int rpmsg_chrdev_init(void)
ret = register_rpmsg_driver(&rpmsg_chrdev_driver);
if (ret < 0) {
pr_err("rpmsg: failed to register rpmsg chrdev driver\n");
- unregister_chrdev_region(rpmsg_major, RPMSG_DEV_MAX);
+ goto free_region;
}

+ ret = rpmsg_ctrl_register_ctl(&rpmsg_chrdev_ctrl);
+ if (ret < 0)
+ goto free_rpmsg;
+
+ return 0;
+
+free_rpmsg:
+ unregister_rpmsg_driver(&rpmsg_chrdev_driver);
+free_region:
+ unregister_chrdev_region(rpmsg_major, RPMSG_DEV_MAX);
+
return ret;
}
postcore_initcall(rpmsg_chrdev_init);

static void rpmsg_chrdev_exit(void)
{
+ rpmsg_ctrl_unregister_ctl(&rpmsg_chrdev_ctrl);
unregister_rpmsg_driver(&rpmsg_chrdev_driver);
unregister_chrdev_region(rpmsg_major, RPMSG_DEV_MAX);
}
--
2.17.1