Hi, On Sat, Apr 23, 2016 at 12:49:58AM +0200, Alexandre Belloni wrote:
> I think Heiko clarified it but there are actually multiple platforms > that will benefit from this infrastructure. I can name at least at91, > rockchip, sunxi and am335x. On am335x, this has been solved by running > that code on the cortex M3 instead of doing that from Linux but it > forces to compile and load a firmware on the cortex M3 so it is not > available for anything else. afaik on am335x, it has been solved so far by not yet supporting suspend-resume in mainline ;) afaiu, am335x suspend-resume has 2 parts, one run in A8 & other in M3. Saving & restoring RAM config, putting to self refresh in addition to wfi invocation is handled by A8 code running in OCMC, while M3 cuts A8 clock & does other PM things that can't be done in A8. Regards afzal
