Am Donnerstag, 27. August 2015, 12:30:51 schrieb Doug Anderson: > Hi, > > On Tue, Aug 18, 2015 at 11:19 PM, Heiko Stuebner <heiko@xxxxxxxxx> wrote: > > great, just take into account the deep vs. shallow suspend modes :-) > > One note: do you think it would make sense to re-implement shallow > suspend as "standby"? I had a proof of concept doing that in > <https://chromium-review.googlesource.com/#/c/275123/>. One nice > advantage is that you "magically" get a second set of regulator states > for standby vs "mem". Somewhere I've read something about keeping wifi associated to an ap during suspend which might be a candidate for such a distinction? > If I understand correctly, the distinction between "standby" and "mem" > is not too clearly defined, so if we wanted to use it for this it > wouldn't be terrible? >From reading Documentation/power/states.txt it looks like the boot-cpu is supposed to retain power in the suspend state. Although we also do not lose "operating state" in our suspend I guess? So using the shallow suspend as standby sounds interesting, for the time when the deep suspend works too. If there is only one suspend state it automatically becomes the "mem"-state it seems. Heiko -- 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
