Messages in this thread | | | Subject | Re: regulator: BD71837 PMIC resume during noirq phase? | From | Martin Kepplinger <> | Date | Mon, 11 Jul 2022 11:52:10 +0200 |
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Am Dienstag, dem 14.06.2022 um 11:16 +0100 schrieb Mark Brown: > On Tue, Jun 14, 2022 at 11:57:18AM +0200, Martin Kepplinger wrote: > > Am Dienstag, dem 14.06.2022 um 10:18 +0100 schrieb Mark Brown: > > > > Indeed - if a power domain is controlling regulators then I'd not > > > expect > > > things to go well if it tries to resume without interrupts, there > > > will > > > be some things that can be done purely with GPIOs but that's > > > depending > > > on the hardware having wired things up that way and the > > > operations > > > needed by the power domain mapping well onto what can be done > > > with > > > GPIOs. > > > > and what's the danger when resuming power domains later?: > > If there's a device that needs to early resume in a power domain that > needs to do something on resume then presumably this will mess up the > ordering. You probably need a separate power domain type, or both > operations.
hi Mark, the followup to this would be my first try to fix this:
https://lore.kernel.org/linux-arm-kernel/20220711094549.3445566-1-martin.kepplinger@puri.sm/T/#t
thank you for you help so far,
martin
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