rellla changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi - *only registered users can talk*
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<smaeul> I got cpuidle working (albeit unreliably) at the core level on H6, and it saves about 15 mW. that's not much, but it's something
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<asdf28> :->
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<apritzel> smaeul: I lost my patience with the TF-A CI, did my own testing and submitted the next batch of patches
<apritzel> smaeul: can you give a review on https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/8084 ?
<apritzel> this is technically my patch (although changed and submitted by you), so giving a CR+1 and COR+1 from me would look fishy
<smaeul> sure
<apritzel> smaeul: what do you mean with cpuidle above, exactly? PSCI CPU_SUSPEND? Or using the CPUIDLE h/w?
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<smaeul> beyond the fact that it stops working after a few minutes, I'm not too happy about the hoops needed to keep the firmwares in sync
<smaeul> if I tell crust about the idle entry (like in the current impl), then I have to ping it again in suspend_finish
<smaeul> but if I don't tell crust about CPU idle entry, then it doesn't know when it can idle the cluster. it would need code to read the CPUIDLE status register and update its internal bookkeeping
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<apritzel> do all four cores go into idle, so that you can suspend the whole cluster?
<smaeul> I haven't enabled cluster idle in the device tree yet, because I did not yet implement the polling in crust for when it should wake up
<smaeul> but I believe that will happen if everything is set up right
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<smaeul> now that irqchip-5.12 is merged... does the "late" in sunxi/dt-for-5.12-late mean the second half of the merge window, or sometime later?
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<hlauer> a20 i2c hardware is capable of generating an additional clock cycle if SDA is stuck low. Does a soft reset generate such a cycle?
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<wens> smaeul: at this point we're likely looking at them being merged for 5.13
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<Peetz0r> megi, smaeul: https://www.youtube.com/watch?v=8wMlACfEO0A (see also the links in the video description)
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<gediz0x539> Peetz0r: that looks really cool. congratz.
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<smaeul> Peetz0r: nice video!
<buZz> dang quick resuming :)
<Peetz0r> Ohhey buZz, you here as well? :p
<buZz> yez
<buZz> i think i've been in this channel since i got a Cubieboard 1
<Peetz0r> I've been here since last week :p
<buZz> :) welcome
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<wens> maybe we'll get pci accessors out of this?
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<apritzel> it's amazing how people can still break PCI when that was introduced 28 years ago ...
<apritzel> wens: but that would mean that device drivers need to be changed to use those accessors?
<wens> indeed. But the current solution for the no-64bit access is to switch to lo_hi_readq in each driver anyway
<wens> so it's still "fixed" per driver
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<MoeIcenowy> weird things...
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