RE: [RFC PATCH v1] ufs: introduce async ufs interface initialization

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> > > When you set uic_link_state during sleep statae to
> > > UIC_LINK_OFF_STATE, UFS driver does interface initialization that is
> > > a series of some steps including fDeviceInit and thus, You might
> > > feel that its latency is a little bit longer.
> > >
> > > This patch is run it asynchronously to reduce system wake-up time.
> > Can you share your initial testing findings?
> > How much time does it save?
> 
> Will share when I'm done. And I think you might already know and the time
> is variant per device and its situation, particularly for fDeviceInit.
> 
> Thanks.
> Kiwoong Kim

I think it depends on each platform. 
I has used this since years ago to reduce system wake-up time and could save about 60ms at that time.

BR
Grant.






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