Hi, On Saturday, August 27, 2011, Maksim Rayskiy wrote: > Hi, > > How can a driver in a suspend/resume call tell if the request is for > STR or S1? On SoCs I am working with drivers need to take some extra > steps to preserve context when STR is requested. > > I had to add platform-dependent api to do that, but I figured I am not > the only one having to deal with this. There are some comments in > arch/arm/mach-at91/pm.c regarding having to treat S1 and S3 > differently because of wakeup source dependency on clock. > > And unfortunately these differences has to be taken care of in the > drivers, not platform code, because in some cases only device driver > knows what represents the hardware context that needs to be saved. Why not to save the same stuff for "S1" and "S3"? Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
