remoteproc: do cache invalidation before reading rsc_table status

Do a cache invalidation before reading the resource table's status since this ca be in a cacheable region. Signed-off-by: Iuliana Prodan <[email protected]>
OpenAMP · Jul 12, 2023 · 146f72b · 146f72b
1 parent 7f90610
commit 146f72b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/remoteproc/remoteproc_virtio.c b/lib/remoteproc/remoteproc_virtio.c
@@ -40,6 +40,7 @@ static unsigned char rproc_virtio_get_status(struct virtio_device *vdev)
 	rpvdev = metal_container_of(vdev, struct remoteproc_virtio, vdev);
 	vdev_rsc = rpvdev->vdev_rsc;
 	io = rpvdev->vdev_rsc_io;
+	metal_cache_invalidate(vdev_rsc, sizeof(vdev_rsc));
 	status = metal_io_read8(io,
 				metal_io_virt_to_offset(io, &vdev_rsc->status));
 	return status;