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From:   Loic Pallardy <loic.pallardy@st.com>
To:     <bjorn.andersson@linaro.org>, <ohad@wizery.com>
CC:     <linux-remoteproc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <arnaud.pouliquen@st.com>, <benjamin.gaignard@linaro.org>,
        Loic Pallardy <loic.pallardy@st.com>
Subject: [PATCH v2 16/16] rpmsg: virtio: allocate buffer from parent
Date:   Thu, 30 Nov 2017 17:46:51 +0100
Message-ID: <1512060411-729-17-git-send-email-loic.pallardy@st.com>
In-Reply-To: <1512060411-729-1-git-send-email-loic.pallardy@st.com>
References: <1512060411-729-1-git-send-email-loic.pallardy@st.com>
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Sender: linux-kernel-owner@vger.kernel.org
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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>
---
 drivers/rpmsg/virtio_rpmsg_bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
index 82b8300..6dd25c6 100644
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -920,7 +920,7 @@ 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) {
-- 
1.9.1


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