From: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>,
Ohad Ben-Cohen <ohad@wizery.com>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Andy Gross <agross@kernel.org>
Cc: <linux-remoteproc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-msm@vger.kernel.org>, <arnaud.pouliquen@foss.st.com>
Subject: [PATCH v2 06/16] rpmsg: add helper to register the rpmsg ctrl device
Date: Tue, 22 Dec 2020 11:57:16 +0100 [thread overview]
Message-ID: <20201222105726.16906-7-arnaud.pouliquen@foss.st.com> (raw)
In-Reply-To: <20201222105726.16906-1-arnaud.pouliquen@foss.st.com>
This function registers a rpmsg_ctl device and its associated
/dev/rpmsg_ctrl interface.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
---
drivers/rpmsg/rpmsg_ctrl.c | 16 ++++++++++++++++
include/linux/rpmsg.h | 7 +++++++
2 files changed, 23 insertions(+)
diff --git a/drivers/rpmsg/rpmsg_ctrl.c b/drivers/rpmsg/rpmsg_ctrl.c
index 8381b5b2b794..e4b0ca6dffe3 100644
--- a/drivers/rpmsg/rpmsg_ctrl.c
+++ b/drivers/rpmsg/rpmsg_ctrl.c
@@ -271,6 +271,22 @@ void rpmsg_ctrl_unregister_ctl(const struct rpmsg_drv_ctrl_info *ctrl)
}
EXPORT_SYMBOL(rpmsg_ctrl_unregister_ctl);
+/**
+ * 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.
+ */
+int rpmsg_ctl_register_device(struct rpmsg_device *rpdev)
+{
+ strcpy(rpdev->id.name, KBUILD_MODNAME);
+ rpdev->driver_override = KBUILD_MODNAME;
+
+ return rpmsg_register_device(rpdev);
+}
+EXPORT_SYMBOL(rpmsg_ctl_register_device);
+
static int rpmsg_ctrl_init(void)
{
int ret;
diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h
index 5681c585e235..86540528325f 100644
--- a/include/linux/rpmsg.h
+++ b/include/linux/rpmsg.h
@@ -335,6 +335,8 @@ static inline __poll_t rpmsg_poll(struct rpmsg_endpoint *ept,
int rpmsg_ctrl_register_ctl(const struct rpmsg_drv_ctrl_info *ctrl);
void rpmsg_ctrl_unregister_ctl(const struct rpmsg_drv_ctrl_info *ctrl);
+int rpmsg_ctl_register_device(struct rpmsg_device *rpdev);
+
#else
static inline int rpmsg_ctrl_register_ctl(const struct rpmsg_drv_ctrl_info *ctrl)
@@ -346,6 +348,11 @@ static inline void rpmsg_ctrl_unregister_ctl(const struct rpmsg_drv_ctrl_info *c
{
}
+static inline int rpmsg_ctl_register_device(struct rpmsg_device *rpdev)
+{
+ return 0;
+}
+
#endif /* IS_ENABLED(CONFIG_RPMSG_CTRL) */
#endif /* _LINUX_RPMSG_H */
--
2.17.1
next prev parent reply other threads:[~2020-12-22 10:59 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-22 10:57 [PATCH v2 00/16] introduce generic IOCTL interface for RPMsg channels management Arnaud Pouliquen
2020-12-22 10:57 ` [PATCH v2 01/16] rpmsg: introduce RPMsg control driver for channel creation Arnaud Pouliquen
2020-12-22 16:45 ` Randy Dunlap
2021-01-05 0:21 ` Bjorn Andersson
2021-01-21 23:31 ` Mathieu Poirier
2020-12-22 10:57 ` [PATCH v2 02/16] rpmsg: add RPMsg control API to register service Arnaud Pouliquen
2021-01-05 0:34 ` Bjorn Andersson
2021-01-05 16:53 ` Arnaud POULIQUEN
2021-01-21 23:46 ` Mathieu Poirier
2020-12-22 10:57 ` [PATCH v2 03/16] rpmsg: add override field in channel info Arnaud Pouliquen
2020-12-22 10:57 ` [PATCH v2 04/16] rpmsg: ctrl: implement the ioctl function to create device Arnaud Pouliquen
2021-01-05 1:33 ` Bjorn Andersson
2021-01-05 18:07 ` Arnaud POULIQUEN
2021-01-21 23:52 ` Mathieu Poirier
2021-01-22 13:05 ` Arnaud POULIQUEN
2021-01-22 20:59 ` Mathieu Poirier
2021-01-25 10:52 ` Arnaud POULIQUEN
2021-01-29 0:13 ` Mathieu Poirier
2021-01-29 9:45 ` Arnaud POULIQUEN
2020-12-22 10:57 ` [PATCH v2 05/16] rpmsg: ns: initialize channel info override field Arnaud Pouliquen
2021-01-05 0:38 ` Bjorn Andersson
2021-01-05 17:02 ` Arnaud POULIQUEN
2020-12-22 10:57 ` Arnaud Pouliquen [this message]
2020-12-22 10:57 ` [PATCH v2 07/16] rpmsg: char: clean up rpmsg class Arnaud Pouliquen
2021-01-05 0:47 ` Bjorn Andersson
2021-01-05 0:54 ` Bjorn Andersson
2021-01-05 17:03 ` Arnaud POULIQUEN
2020-12-22 10:57 ` [PATCH v2 08/16] rpmsg: char: make char rpmsg a rpmsg device without the control part Arnaud Pouliquen
2020-12-22 10:57 ` [PATCH v2 09/16] rpmsg: char: register RPMsg raw service to the ioctl interface Arnaud Pouliquen
2020-12-22 10:57 ` [PATCH v2 10/16] rpmsg: char: allow only one endpoint per device Arnaud Pouliquen
2021-01-05 0:59 ` Bjorn Andersson
2021-01-05 17:05 ` Arnaud POULIQUEN
2020-12-22 10:57 ` [PATCH v2 11/16] rpmsg: char: check destination address is not null Arnaud Pouliquen
2021-01-05 1:03 ` Bjorn Andersson
2021-01-05 17:08 ` Arnaud POULIQUEN
2020-12-22 10:57 ` [PATCH v2 12/16] rpmsg: virtio: use the driver_override in channel creation ops Arnaud Pouliquen
2020-12-22 10:57 ` [PATCH v2 13/16] rpmsg: virtio: probe the rpmsg_ctl device Arnaud Pouliquen
2020-12-29 4:16 ` kernel test robot
2021-01-04 12:59 ` Dan Carpenter
2020-12-22 10:57 ` [PATCH v2 14/16] rpmsg: glink: add create and release rpmsg channel ops Arnaud Pouliquen
2021-01-05 1:08 ` Bjorn Andersson
2021-01-05 17:29 ` Arnaud POULIQUEN
2020-12-22 10:57 ` [PATCH v2 15/16] rpmsg: smd: " Arnaud Pouliquen
2020-12-22 10:57 ` [PATCH v2 16/16] rpmsg: replace rpmsg_chrdev_register_device use Arnaud Pouliquen
2021-01-05 1:10 ` Bjorn Andersson
2021-01-04 23:03 ` [PATCH v2 00/16] introduce generic IOCTL interface for RPMsg channels management Bjorn Andersson
2021-01-05 16:59 ` Arnaud POULIQUEN
2021-01-13 20:31 ` Mathieu Poirier
2021-01-14 9:05 ` Arnaud POULIQUEN
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