Messages in this thread |  | | Date | Sat, 5 May 2018 10:32:55 +0200 | From | Wolfram Sang <> | Subject | Re: I2C PM overhaul needed? (Re: [PATCH 1/2] i2c: sprd: Prevent i2c accesses after suspend is called) |
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Hi Mark,
> > And maybe this could be used here, too? Introduce this flag for very > > late/early messages. If they have it, messages are even sent in > > suspend_noirq() phase with the master_xfer_irqless() callback, otherwise > > we will have the WARNing printed out. > > It feels like it'd be more elegant to have the core select the irqless > function automatically if called after interrupts have been disabled - > otherwise we end up with the need to special case through other layers > of the stack like regmap as well which seems like it'd be error prone.
Yes, I was concerned about thae (i.e. regmap accessors), too.
> OTOH it does mean we might not notice things happening later than they > should so it's not 100% clear...
What do you mean here?
Thanks,
Wolfram
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