Hi Gregory, 2016-11-24 10:44 GMT+01:00 Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>: > Hi Arnd, > > On jeu., nov. 24 2016, Arnd Bergmann <arnd@xxxxxxxx> wrote: > >> On Thursday, November 24, 2016 10:22:31 AM CET Gregory CLEMENT wrote: >>> >>> I don't have an option for mmc in general, but using child node do not >>> fit at all the xenon controller. >>> >>> For this controller each slot has its own set of register, so there is >>> no common ressource to share so no advantage to use it. Using child node >>> in our case will just make the code more complex for no benefit. >> >> If every slot has its own registers, what is it that makes up the >> 'controller'? It sounds to me that you just have to adjust the terminology >> and talk about multiple controllers then, with one slot per controller. >> > > I agree and actually there were some words about in at the begining of > the binding: > > "A single Xenon IP can support multiple slots. > Each slot acts as an independent SDHC. It owns independent resources, such > as register sets clock and PHY. > Each slot should have an independent device tree node." > > All the confusion came from the fact that we still need to identify a > slot ID. For an obscure reason the hardware can't guess the slot ID from > the address register." > How about to avoid confusion, by simply renaming this number to port-id/xenon-id or anything else but slot? I guess this may allow to avoid some misunderstandings. Best regards, Marcin -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
