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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>
This commit is contained in:
Loic Pallardy 2019-01-10 14:50:51 +01:00 committed by Bjorn Andersson
parent 3df52ed7f2
commit d999b622fc
1 changed files with 3 additions and 3 deletions
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6
drivers/rpmsg/virtio_rpmsg_bus.c
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@ -912,7 +912,7 @@ static int rpmsg_probe(struct virtio_device *vdev)
total_buf_space = vrp->num_bufs * vrp->buf_size; total_buf_space = vrp->num_bufs * vrp->buf_size;
/* allocate coherent memory for the buffers */ /* 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, total_buf_space, &vrp->bufs_dma,
GFP_KERNEL); GFP_KERNEL);
if (!bufs_va) { if (!bufs_va) {
@ -980,7 +980,7 @@ static int rpmsg_probe(struct virtio_device *vdev)
return 0; return 0;
free_coherent: 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); bufs_va, vrp->bufs_dma);
vqs_del: vqs_del:
vdev->config->del_vqs(vrp->vdev); vdev->config->del_vqs(vrp->vdev);
@ -1015,7 +1015,7 @@ static void rpmsg_remove(struct virtio_device *vdev)
vdev->config->del_vqs(vrp->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); vrp->rbufs, vrp->bufs_dma);
kfree(vrp); kfree(vrp);