> Subject: Re: [PATCH V4 2/2] firmware: arm_scmi: add smc/hvc transport > > On 3/5/20 8:06 AM, Sudeep Holla wrote: > > On Thu, Mar 05, 2020 at 11:25:35AM +0000, Peng Fan wrote: > > > > [...] > > > >>> > >>> Yes, this may fix the issue. However I would like to know if we need > >>> to support multiple channels/shared memory simultaneously. It is > >>> fair requirement and may need some work which should be fine. > >> > >> Do you have any suggestions? Currently I have not worked out an good > >> solution. > >> > > > > TBH, I haven't given it a much thought. I would like to know if people > > are happy with just one SMC channel for SCMI or do they need more ? > > If they need it, we can try to solve it. Otherwise, what you have will > > suffice IMO. > > On our platforms we have one channel/shared memory area/mailbox > instance for all standard SCMI protocols, and we have a separate > channel/shared memory area/mailbox driver instance for a proprietary one. > They happen to have difference throughput requirements, hence the split. > > If I read Peng's submission correctly, it seems to me that the usage model > described before is still fine. Thanks. Sudeep, Then should I repost with the global mutex added? Thanks, Peng. > -- > Florian
