| Message ID | 1503559302-3744-17-git-send-email-sricharan@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 8/24/2017 12:51 PM, Sricharan R wrote: > 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. > > Signed-off-by: Sricharan R <sricharan@codeaurora.org> > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Arun Kumar Neelakantam <aneela@codeaurora.org> Regards, Arun N > --- > drivers/rpmsg/qcom_glink_native.c | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c > index 1458bdb..76ee86e 100644 > --- a/drivers/rpmsg/qcom_glink_native.c > +++ b/drivers/rpmsg/qcom_glink_native.c > @@ -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 = {
diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 1458bdb..76ee86e 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -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 = {