On Thu, Jan 26, 2023 at 8:46 AM Sudeep Holla <sudeep.holla@xxxxxxx> wrote: > > On Thu, Jan 26, 2023 at 09:43:44AM +0000, Cristian Marussi wrote: > > On Wed, Jan 25, 2023 at 02:11:13PM +0000, Sudeep Holla wrote: > > > On Wed, Jan 25, 2023 at 01:43:48PM +0000, Cristian Marussi wrote: > > > > so now that the catch-all protocol@ patternProperty is gone in favour > > > > of the 'protocol-node' definition and $refs, does that mean that any > > > > current and future SCMI officially published protocol <N> has to be > > > > added to the above explicit protocol list, even though it does not > > > > have any special additional required property beside reg ? > > > > (like protocol@18 above...) > > > > > > > > > > If there are no consumers, should we just not add and deal with it > > > entirely within the kernel. I know we rely today on presence of node > > > before we initialise, but hey we have exception for system power protocol > > > for other reasons, why not add this one too. > > > > > > In short we shouldn't have to add a node if there are no consumers. It > > > was one of the topic of discussion initially when SCMI binding was added > > > and they exist only for the consumers otherwise we don't need it as > > > everything is discoverable from the interface. > > > > It is fine for me the no-consumers/no-node argument (which anyway would > > require a few changes in the core init logic anyway to work this way...), > > BUT is it not that ANY protocol (even future-ones) does have, potentially, > > consumers indeed, since each protocol-node can potentially have a dedicated > > channel and related DT channel-descriptor ? (when multiple channels are > > allowed by the transport) > > > > I mean, as an example, you dont strictly need protos 0x18/0x12 nodes for > > anything (if we patch the core init as said) UNLESS you want to dedicate > > a channel to those protocols; so I'm just checking here if these kind of > > scenarios will still be allowed with this binding change, or if I am > > missing something. > > Ah, good point on the transport information. Yes we will need a node if > a protocol has a dedicated transport. No one has used so far other than > Juno perf, but we never know. We can always extended the bindings if > needed. > > Sorry for missing the dedicated transport part. So I need to add back 'protocol@.*' or not? Rob
