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Commit 2b45cef5 authored by Bjorn Andersson's avatar Bjorn Andersson
Browse files

remoteproc: Further extend the vdev life cycle 



Tie the vdev (and hence vring) life cycle to the resource parsing and
resource cleanup operations, allowing us to safely register and
unregister virtio devices on the go.

Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent a863af5d

drivers/remoteproc/remoteproc_core.c

+6 −1
Original line number Diff line number Diff line
@@ -377,6 +377,9 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc, 
			goto unwind_vring_allocations;

	}



	/* track the rvdevs list reference */

	kref_get(&rvdev->refcount);



	list_add_tail(&rvdev->node, &rproc->rvdevs);



	/* it is now safe to add the virtio device */
@@ -839,8 +842,10 @@ static void rproc_resource_cleanup(struct rproc *rproc) 
	}



	/* clean up remote vdev entries */

	list_for_each_entry_safe(rvdev, rvtmp, &rproc->rvdevs, node)

	list_for_each_entry_safe(rvdev, rvtmp, &rproc->rvdevs, node) {

		rproc_remove_virtio_dev(rvdev);

		kref_put(&rvdev->refcount, rproc_vdev_release);

	}

}



/*