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Commit dc59ea08 authored by Sricharan R's avatar Sricharan R Committed by Gerrit - the friendly Code Review server
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rpmsg: glink: Add announce_create ops and preallocate intents 



Preallocate local intent buffers and pass the intent ids
to the remote. This way there are some default intents
available  for the remote to start sending data without
having to wait by sending intent requests. Do this by
adding the rpmsg announce_create ops, which gets called
right after the rpmsg device gets probed.

Change-Id: I7c9b9fdf68128a1587282d1c51b8b0594633c3b4
Signed-off-by: default avatarSricharan R <sricharan@codeaurora.org>
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
parent db5a3b89

drivers/rpmsg/qcom_glink_native.c

+20 −0
Original line number Diff line number Diff line
@@ -1002,6 +1002,25 @@ static struct rpmsg_endpoint *qcom_glink_create_ept(struct rpmsg_device *rpdev, 
	return ept;

}



static int qcom_glink_announce_create(struct rpmsg_device *rpdev)

{

	struct glink_channel *channel = to_glink_channel(rpdev->ept);

	struct glink_core_rx_intent *intent;

	struct qcom_glink *glink = channel->glink;

	int num_intents = glink->intentless ? 0 : 5;



	/* Channel is now open, advertise base set of intents */

	while (num_intents--) {

		intent = qcom_glink_alloc_intent(glink, channel, SZ_1K, true);

		if (!intent)

			break;



		qcom_glink_advertise_intent(glink, channel, intent);

	}



	return 0;

}



static void qcom_glink_destroy_ept(struct rpmsg_endpoint *ept)

{

	struct glink_channel *channel = to_glink_channel(ept);
@@ -1077,6 +1096,7 @@ static struct device_node *qcom_glink_match_channel(struct device_node *node, 


static const struct rpmsg_device_ops glink_device_ops = {

	.create_ept = qcom_glink_create_ept,

	.announce_create = qcom_glink_announce_create,

};



static const struct rpmsg_endpoint_ops glink_endpoint_ops = {