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If hardware support IBI, it should support >>>>>> HJ. HJ just use special address 0x2. >>>>> >>>>> For this IP, they appear to be controlled by different configuration time >>>>> parameters, so I don't think conflating the two is the right thing to do >>>>> here: >>>>> https://docs.amd.com/r/en-US/pg439-axi-i3c/Configuration-Tab >>>>> Per this doc, and the original commit, hotjoin configuration is not >>>>> permitted when ibi is not supported but can be enabled and disabled >>>>> separately when it is. >>>> >>>> I am not sure why provide such flexiblity, only difference is that compare >>>> address 2 or other value. >>> >>> It's not unusual for FPGA IPs to provide extreme flexibility so that the >>> consumption of resources can be kept to a minimum, often to the point of >>> excessiveness. E.g. for a ethernet MAC IP each individual statistic might >>> have a configuration option. >>> >>>> >>>> This feature may be quite common for i3c, if other soft IP provider such >>>> flexiblity, still common property is the better than vendor specific one. >>> >>> I'm not at all in favour of speculatively adding properties for >>> configuration properties of FPGA IPs, particularly given the likelihood >>> of abuse by others. Without multiple demonstrated users, things shouldn't >>> be considered for being made common anyway. >> >> Rob: >>          What's your opinion? I predict we will met similar problem when >> I3C become popluar. >>          Do you perfer use vendor property fistly or direct add common >> property? >>          There will be back compatible problem if change vendor property to >> common property. >> >> Frank It looks like this thread is stuck and everybody is waiting for your opinion about it. Can you please take a look when you have time? Thanks, Michal