USB gadget vs slave [LWN.net]

USB gadget vs slave

Posted Jul 11, 2016 17:13 UTC (Mon) by pizza (subscriber, #46)
In reply to: USB gadget vs slave by mbunkus
Parent article: USB charging, part 1: requirements

> I respectfully disagree with the term being technically accurate. For me the relationship between master & slave has two connotations: one is a question of rights (as in the slave doesn't have any and the master can order it/him/her around to do whatever) and one is who's doing the work (as in the slave does all the work and the master only assigns, supervises, punishes).

There's a third connotation -- the question of authority. Ie the master is authoritative, the slave is not.

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USB gadget vs slave

Posted Jul 11, 2016 21:37 UTC (Mon) by marcH (subscriber, #57642) [Link]

> There's a third connotation -- the question of authority. Ie the master is authoritative, the slave is not.

Yes - this is how this terminology has been successfully been used for decades.

Which side has authority and decides matters to correctness as in "Does it work?". Black/white questions[*]. Who does the work is optimization territory = quantitative stuff. Glad the terminology relates to the former.

[*] Sorry; really couldn't resist this one :-)

> > I respectfully disagree with the term being technically accurate.

"Send patches"