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

Tony Lindgren tony at atomide.com
Tue Dec 4 17:45:57 CET 2018


* 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.

Regards,

Tony



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