Hi Krzystof, Thanks for the clarifications. On Wed, Jan 20, 2016 at 7:00 PM, Krzysztof Kozłowski <k.kozlowski.k@xxxxxxxxx> wrote: > 2016-01-20 19:35 GMT+09:00 Sriram V <vshrirama@xxxxxxxxx>: >> Hi Krzysztof, >> >> >> Are you saying that only power domains under "Local Power Control" can >> be attached to runtime PM and can be turned off? >> >> In that case, i dont see other domains such as peris, psgen, wcore in >> there, Hence these need to be always on? >> >> is my understanding correct? > > I don't know what kind of documentation you have. Judging by the > question above I think that you are asking me about interpretation of > datasheet... Really, your question is very strange... My Exynos5422 > datasheet is quite specific on this topic. > Anyway you should ask for that to the vendor of the SoC - Samsung LSI. > It looks like you are looking for a support which should be given not > here, but by the vendor (because they sold you the SoC along with the > code). > Just to make it clear: I am not related anyhow to the Samsung LSI. I > am speaking only for myself. > > As for the domains, you cannot independently control (under runtime > PM) all of the domains. Only some of them. Datasheet explicitly > describes what can be controlled. Other stuff is being turned off when > entering deeper sleep modes (like AFTR, SLEEP) - you can look for this > in cpuidle or suspend related code (open-source or vendor's). I could not find in the suspend code where it turns off all the domains on 5422 in the vendor and linux-next kernel. Am i missing something? Or are you referring to some code? Thanks and Regards, Sriram > > Best regards, > Krzysztof -- Regards, Sriram -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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