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Date: Tue, 25 Aug 2020 18:49:02 +0200 From: Arnaud Pouliquen <arnaud.pouliquen@...com> To: Bjorn Andersson <bjorn.andersson@...aro.org>, Ohad Ben-Cohen <ohad@...ery.com>, Mathieu Poirier <mathieu.poirier@...aro.org> CC: <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>, <arnaud.pouliquen@...com> Subject: [PATCH v2 3/8] rpmsg: virtio: add rpmsg channel device ops Implement the create and release of the RPMsg channel for the RPMsg virtio bus. Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@...com> --- drivers/rpmsg/virtio_rpmsg_bus.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c index 736bc7b9dea8..910d30818901 100644 --- a/drivers/rpmsg/virtio_rpmsg_bus.c +++ b/drivers/rpmsg/virtio_rpmsg_bus.c @@ -176,6 +176,12 @@ static int virtio_rpmsg_trysendto(struct rpmsg_endpoint *ept, void *data, int len, u32 dst); static int virtio_rpmsg_trysend_offchannel(struct rpmsg_endpoint *ept, u32 src, u32 dst, void *data, int len); +static struct rpmsg_device * + virtio_rpmsg_create_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo); +static int virtio_rpmsg_release_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo); + static const struct rpmsg_endpoint_ops virtio_endpoint_ops = { .destroy_ept = virtio_rpmsg_destroy_ept, @@ -372,6 +378,8 @@ static int virtio_rpmsg_announce_destroy(struct rpmsg_device *rpdev) } static const struct rpmsg_device_ops virtio_rpmsg_ops = { + .create_channel = virtio_rpmsg_create_channel, + .release_channel = virtio_rpmsg_release_channel, .create_ept = virtio_rpmsg_create_ept, .announce_create = virtio_rpmsg_announce_create, .announce_destroy = virtio_rpmsg_announce_destroy, @@ -439,6 +447,25 @@ __rpmsg_create_channel(struct virtproc_info *vrp, return rpdev; } +static struct rpmsg_device * + virtio_rpmsg_create_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo) +{ + struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev); + struct virtproc_info *vrp = vch->vrp; + + return __rpmsg_create_channel(vrp, chinfo); +} + +static int virtio_rpmsg_release_channel(struct rpmsg_device *rpdev, + struct rpmsg_channel_info *chinfo) +{ + struct virtio_rpmsg_channel *vch = to_virtio_rpmsg_channel(rpdev); + struct virtproc_info *vrp = vch->vrp; + + return rpmsg_unregister_device(&vrp->vdev->dev, chinfo); +} + /* super simple buffer "allocator" that is just enough for now */ static void *get_a_tx_buf(struct virtproc_info *vrp) { -- 2.17.1
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