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authorBjorn Andersson <bjorn.andersson@linaro.org>2016-09-02 01:28:02 +0300
committerBjorn Andersson <bjorn.andersson@linaro.org>2016-09-09 08:15:22 +0300
commit8b881c07cb805e1a126d434359706e45864ea2df (patch)
treeb293450e26a612bbd9a04524e65e7b451b17e915 /drivers/rpmsg/virtio_rpmsg_bus.c
parentc9bd6f422090b874b5877b4cedcd7757eac33117 (diff)
downloadlinux-8b881c07cb805e1a126d434359706e45864ea2df.tar.xz
rpmsg: Move helper for finding rpmsg devices to core
Extract and move the helper function for finding rpmsg child devices to the core. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/rpmsg/virtio_rpmsg_bus.c')
-rw-r--r--drivers/rpmsg/virtio_rpmsg_bus.c29
1 files changed, 4 insertions, 25 deletions
diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 184663276e51..488fd93a290c 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -35,6 +35,8 @@
#include <linux/mutex.h>
#include <linux/of_device.h>
+#include "rpmsg_internal.h"
+
/**
* struct virtproc_info - virtual remote processor state
* @vdev: the virtio device
@@ -452,29 +454,6 @@ static void rpmsg_release_device(struct device *dev)
kfree(rpdev);
}
-/*
- * match an rpmsg channel with a channel info struct.
- * this is used to make sure we're not creating rpmsg devices for channels
- * that already exist.
- */
-static int rpmsg_device_match(struct device *dev, void *data)
-{
- struct rpmsg_channel_info *chinfo = data;
- struct rpmsg_device *rpdev = to_rpmsg_device(dev);
-
- if (chinfo->src != RPMSG_ADDR_ANY && chinfo->src != rpdev->src)
- return 0;
-
- if (chinfo->dst != RPMSG_ADDR_ANY && chinfo->dst != rpdev->dst)
- return 0;
-
- if (strncmp(chinfo->name, rpdev->id.name, RPMSG_NAME_SIZE))
- return 0;
-
- /* found a match ! */
- return 1;
-}
-
static const struct rpmsg_device_ops virtio_rpmsg_ops = {
.create_ept = virtio_rpmsg_create_ept,
.announce_create = virtio_rpmsg_announce_create,
@@ -494,7 +473,7 @@ static struct rpmsg_device *rpmsg_create_channel(struct virtproc_info *vrp,
int ret;
/* make sure a similar channel doesn't already exist */
- tmp = device_find_child(dev, chinfo, rpmsg_device_match);
+ tmp = rpmsg_find_device(dev, chinfo);
if (tmp) {
/* decrement the matched device's refcount back */
put_device(tmp);
@@ -547,7 +526,7 @@ static int rpmsg_destroy_channel(struct virtproc_info *vrp,
struct virtio_device *vdev = vrp->vdev;
struct device *dev;
- dev = device_find_child(&vdev->dev, chinfo, rpmsg_device_match);
+ dev = rpmsg_find_device(&vdev->dev, chinfo);
if (!dev)
return -EINVAL;