From: Anup Patel <anup@brainfault.org>
To: Loic Pallardy <loic.pallardy@st.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Ohad Ben-Cohen <ohad@wizery.com>,
linux-remoteproc@vger.kernel.org,
"linux-kernel@vger.kernel.org List"
<linux-kernel@vger.kernel.org>,
arnaud pouliquen <arnaud.pouliquen@st.com>,
Benjamin Gaignard <benjamin.gaignard@linaro.org>,
s-anna@ti.com
Subject: Re: [PATCH v4 17/17] rpmsg: virtio: allocate buffer from parent
Date: Fri, 28 Sep 2018 13:26:50 +0530 [thread overview]
Message-ID: <CAAhSdy3nyHqv+6EaYxN9qW0qhnNgTk-8MhFeB7QTBgxaFBtVVA@mail.gmail.com> (raw)
In-Reply-To: <1532697292-14272-18-git-send-email-loic.pallardy@st.com>
On Fri, Jul 27, 2018 at 6:45 PM Loic Pallardy <loic.pallardy@st.com> wrote:
>
> 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 | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c
> index 664f957..5c89201 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);
> --
> 1.9.1
>
Reviewed-by: Anup Patel <anup@brainfault.org>
Also, tried this patch on Linux running inside Guest/VM on
Xvisor ARM/ARM64.
Tested-by: Anup Patel <anup@brainfault.org>
Regards,
Anup
next prev parent reply other threads:[~2018-09-28 7:57 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-27 13:14 [PATCH v4 00/17] remoteproc: add fixed memory region support Loic Pallardy
2018-07-27 13:14 ` [PATCH v4 01/17] remoteproc: configure IOMMU only if device address requested Loic Pallardy
2018-10-23 17:25 ` Suman Anna
2018-10-23 19:40 ` Loic PALLARDY
2018-10-24 3:46 ` Suman Anna
2018-10-24 12:56 ` Loic PALLARDY
2018-10-26 0:46 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 02/17] remoteproc: add rproc_va_to_pa function Loic Pallardy
2018-10-23 16:50 ` Suman Anna
2018-10-23 19:51 ` Loic PALLARDY
2018-10-24 3:19 ` Suman Anna
2018-10-24 12:58 ` Loic PALLARDY
2018-10-25 22:50 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 03/17] remoteproc: add release ops in rproc_mem_entry struct Loic Pallardy
2018-10-23 16:53 ` Suman Anna
2018-10-23 20:48 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 04/17] remoteproc: add name " Loic Pallardy
2018-10-23 17:06 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 05/17] remoteproc: add helper function to allocate and init " Loic Pallardy
2018-10-23 19:24 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 06/17] remoteproc: introduce rproc_add_carveout function Loic Pallardy
2018-10-23 17:05 ` Suman Anna
2018-10-23 19:48 ` Loic PALLARDY
2018-07-27 13:14 ` [PATCH v4 07/17] remoteproc: introduce rproc_find_carveout_by_name function Loic Pallardy
2018-10-23 19:28 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 08/17] remoteproc: add alloc ops in rproc_mem_entry struct Loic Pallardy
2018-10-23 21:20 ` Suman Anna
2018-10-24 16:00 ` Loic PALLARDY
2018-10-25 22:37 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 09/17] remoteproc: add helper function to allocate rproc_mem_entry from reserved memory Loic Pallardy
2018-07-27 13:14 ` [PATCH v4 10/17] remoteproc: add helper function to check carveout device address Loic Pallardy
2018-10-23 22:14 ` Suman Anna
2018-10-24 15:24 ` Loic PALLARDY
2018-10-25 22:50 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 11/17] remoteproc: modify rproc_handle_carveout to support pre-registered region Loic Pallardy
2018-07-27 13:14 ` [PATCH v4 12/17] remoteproc: modify vring allocation to rely on centralized carveout allocator Loic Pallardy
2018-10-10 5:32 ` Bjorn Andersson
2018-10-10 18:58 ` Loic PALLARDY
2018-10-15 6:40 ` Bjorn Andersson
2018-10-23 23:24 ` Suman Anna
2018-10-24 0:14 ` Suman Anna
2018-10-24 15:14 ` Loic PALLARDY
2018-10-29 20:17 ` Suman Anna
2018-12-04 17:56 ` Wendy Liang
2018-12-04 18:04 ` Loic PALLARDY
2018-12-04 18:58 ` Wendy Liang
2018-12-04 19:57 ` Loic PALLARDY
2018-12-04 21:24 ` Wendy Liang
2018-07-27 13:14 ` [PATCH v4 13/17] remoteproc: create vdev subdevice with specific dma memory pool Loic Pallardy
2018-09-27 17:17 ` Wendy Liang
2018-09-27 19:22 ` Loic PALLARDY
2018-09-27 20:18 ` Wendy Liang
2018-10-24 1:22 ` Suman Anna
2018-10-24 1:48 ` Suman Anna
2018-10-24 12:42 ` Loic PALLARDY
2018-10-25 22:06 ` Suman Anna
2018-10-24 12:40 ` Loic PALLARDY
2018-10-25 20:16 ` Suman Anna
2018-10-10 5:58 ` Bjorn Andersson
2018-10-10 19:17 ` Loic PALLARDY
2018-10-24 1:27 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 14/17] remoteproc: keystone: declare reserved memory region for vdev device Loic Pallardy
2018-07-27 13:14 ` [PATCH v4 15/17] remoteproc: da8xx: " Loic Pallardy
2018-10-24 2:57 ` Suman Anna
2018-10-24 13:19 ` Loic PALLARDY
2018-10-25 22:11 ` Suman Anna
2018-07-27 13:14 ` [PATCH v4 16/17] remoteproc: st: add reserved memory support Loic Pallardy
2018-10-24 3:01 ` Suman Anna
2018-10-24 12:37 ` Loic PALLARDY
2018-07-27 13:14 ` [PATCH v4 17/17] rpmsg: virtio: allocate buffer from parent Loic Pallardy
2018-09-28 7:56 ` Anup Patel [this message]
2018-09-21 6:04 ` [PATCH v4 00/17] remoteproc: add fixed memory region support Anup Patel
2018-09-26 16:00 ` Loic PALLARDY
2018-09-28 7:54 ` Anup Patel
2018-10-23 16:42 ` Suman Anna
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