[Letux-kernel] [PATCHv2] i2c: omap: Use noirq system sleep pm ops to idle device for suspend

[Tony Lindgren]

* Andreas Kemnade <andreas at kemnade.info> [190223 07:50]:
> Tony Lindgren <tony at atomide.com> wrote:
> > How about just check for -EACCESS and return IRQ_NONE without
> > warning here? And only warn for other errors.
> > 
> well, then we have one error message less. That does not help much.
> The irq is called again and again until:
> 
> [   38.590881] twl: Read failed (mod 1, reg 0x01 count 1)
> [   38.590942] omap i2c get runtime failed: -13
> [   38.590972] twl: Read failed (mod 1, reg 0x01 count 1)
> [   38.591735] sched: RT throttling activated
> [   38.648101] omap i2c resume
> [  282.062530] OOM killer enabled.
> [  282.065826] Restarting tasks ... 
> 
> so resuming takes 4 minutes. That is not acceptable.

Oh OK yeah that's not going to work then :)

Regards,

Tony