[Letux-kernel] [PATCH v2 2/3] clk: ti: check clock type before doing autoidle ops

Andreas Kemnade andreas at kemnade.info
Thu Dec 27 21:12:22 CET 2018


Hi,

On Tue, 4 Dec 2018 08:45:57 -0800
Tony Lindgren <tony at atomide.com> wrote:

> * Andreas Kemnade <andreas at kemnade.info> [181204 06:17]:
> > On Mon, 3 Dec 2018 07:39:10 -0800
> > Tony Lindgren <tony at atomide.com> wrote:  
> > > The consumer device stays active just fine with PM runtime
> > > calls. So yes, the problem is keeping a clock controller forced
> > > active for the period of consumer device reset. Other than
> > > that typically autoidle can be just kept enabled.
> > >   
> > Are we still talking about the same problem? Maybe I am losing track
> > here. Just to make sure. 
> > The patch series was about disabling autoidle for devices which cannot
> > work with it during normal operation. Not during reset or something
> > like that. 
> > Or is the keep-clock-active-during-reset just a requirement for bigger
> > restructuring ideas?  
> 
> Yeah there are two issues: The fix needed for the issue you brought up,
> and also how to let a reset driver to block autoidle for reset.
> 
Hmm, is this set now waiting for the famous "somebody" fixing all
the stuff?
What are currently visible symptoms for the driver not blocking
autoidle for reset? Maybe I can at least test something there. I have
also omap5 here.

Regards,
Andreas
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