From: Wendy Liang <wendy.liang@xxxxxxxxxx>
Add config_wait_complete to rproc_vdev.
This attribute is used for vdev config operation to
wait for the remote to respond. When there is a
notification comes from the remote, it can wake up
the waiting client by marking this attribute.
Signed-off-by: Wendy Liang <jliang@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---
drivers/remoteproc/remoteproc_virtio.c | 1 +
include/linux/remoteproc.h | 2 ++
2 files changed, 3 insertions(+)
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index e45e17b..c6f7ca4 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -340,6 +340,7 @@ int rproc_add_virtio_dev(struct rproc_vdev *rvdev, int id)
vdev->dev.parent = dev;
vdev->dev.release = rproc_virtio_dev_release;
+ init_completion(&rvdev->config_wait_complete);
/*
* We're indirectly making a non-temporary copy of the rproc pointer
* here, because drivers probed with this vdev will indirectly
diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 303210b..4ce7579 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -534,6 +534,7 @@ struct rproc_vring {
* @vdev: the virio device
* @vring: the vrings for this vdev
* @rsc_offset: offset of the vdev's resource entry
+ * @config_wait_complete: mark asynchronous vdev config wait complete
*/
struct rproc_vdev {
struct kref refcount;
@@ -546,6 +547,7 @@ struct rproc_vdev {
struct virtio_device vdev;
struct rproc_vring vring[RVDEV_NUM_VRINGS];
u32 rsc_offset;
+ struct completion config_wait_complete;
};
struct rproc *rproc_get_by_phandle(phandle phandle);
--
1.9.1
--
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