[PATCH v2 11/17] rpmsg: Split off generic tail of create_channel()

From: Bjorn Andersson
Date: Thu Sep 01 2016 - 18:30:36 EST


The tail of create_channel() is common among all rpmsg backends, so
split it off from the virtio specific part to allow it to be extracted
to the rpmsg core.

Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---

Changes since v1:
- None

drivers/rpmsg/virtio_rpmsg_bus.c | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 488fd93a290c..e1052622c6a2 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -120,6 +120,7 @@ static int virtio_rpmsg_trysendto(struct rpmsg_endpoint *ept, void *data,
int len, u32 dst);
static int virtio_rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src,
u32 dst, void *data, int len);
+static int rpmsg_register_device(struct rpmsg_device *rpdev);

/* sysfs show configuration fields */
#define rpmsg_show_attr(field, path, format_string) \
@@ -499,10 +500,22 @@ static struct rpmsg_device *rpmsg_create_channel(struct virtproc_info *vrp,

strncpy(rpdev->id.name, chinfo->name, RPMSG_NAME_SIZE);

+ rpdev->dev.parent = &vrp->vdev->dev;
+ ret = rpmsg_register_device(rpdev);
+ if (ret)
+ return NULL;
+
+ return rpdev;
+}
+
+static int rpmsg_register_device(struct rpmsg_device *rpdev)
+{
+ struct device *dev = &rpdev->dev;
+ int ret;
+
dev_set_name(&rpdev->dev, "%s:%s",
dev_name(dev->parent), rpdev->id.name);

- rpdev->dev.parent = &vrp->vdev->dev;
rpdev->dev.bus = &rpmsg_bus;
rpdev->dev.release = rpmsg_release_device;

@@ -510,10 +523,9 @@ static struct rpmsg_device *rpmsg_create_channel(struct virtproc_info *vrp,
if (ret) {
dev_err(dev, "device_register failed: %d\n", ret);
put_device(&rpdev->dev);
- return NULL;
}

- return rpdev;
+ return ret;
}

/*
--
2.5.0