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authorLoic Pallardy <loic.pallardy@st.com>2019-01-10 14:50:51 +0100
committerBjorn Andersson <bjorn.andersson@linaro.org>2019-02-20 21:15:49 -0800
commitd999b622fcfb392aa549e7e56f6f777b09748ea1 (patch)
treeb14a36f5d5392292f623de575f81e0f546187014
parent3df52ed7f269a25a5f97d6c03887c3ad3d012816 (diff)
downloadlinux-d999b622fcfb392aa549e7e56f6f777b09748ea1.tar.gz
rpmsg: virtio: allocate buffer from parent
Remoteproc is now capable to create one specific sub-device per virtio link to associate a dedicated memory pool. This implies to change device used by virtio_rpmsg for buffer allocation from grand-parent to parent. Signed-off-by: Loic Pallardy <loic.pallardy@st.com> Reviewed-by: Anup Patel <anup@brainfault.org> Tested-by: Anup Patel <anup@brainfault.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
-rw-r--r--drivers/rpmsg/virtio_rpmsg_bus.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 664f957012cd..5c892019ce89 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -912,7 +912,7 @@ static int rpmsg_probe(struct virtio_device *vdev)
total_buf_space = vrp->num_bufs * vrp->buf_size;
/* allocate coherent memory for the buffers */
- bufs_va = dma_alloc_coherent(vdev->dev.parent->parent,
+ bufs_va = dma_alloc_coherent(vdev->dev.parent,
total_buf_space, &vrp->bufs_dma,
GFP_KERNEL);
if (!bufs_va) {
@@ -980,7 +980,7 @@ static int rpmsg_probe(struct virtio_device *vdev)
return 0;
free_coherent:
- dma_free_coherent(vdev->dev.parent->parent, total_buf_space,
+ dma_free_coherent(vdev->dev.parent, total_buf_space,
bufs_va, vrp->bufs_dma);
vqs_del:
vdev->config->del_vqs(vrp->vdev);
@@ -1015,7 +1015,7 @@ static void rpmsg_remove(struct virtio_device *vdev)
vdev->config->del_vqs(vrp->vdev);
- dma_free_coherent(vdev->dev.parent->parent, total_buf_space,
+ dma_free_coherent(vdev->dev.parent, total_buf_space,
vrp->rbufs, vrp->bufs_dma);
kfree(vrp);