Re: [PATCHv4 6/8] ARM: OMAP: pm-debug: enhanced usecount debug support

[Tero Kristo <t-kristo@xxxxxx>]

On Mon, 2012-07-16 at 16:20 +0530, Rajendra Nayak wrote:
> On Friday 13 July 2012 07:49 PM, Tero Kristo wrote:
> > Voltdm, pwrdm, clkdm, hwmod and clk usecounts are now separeted to
> > their own file, 'usecount'. This file shows the usecounts for every
> > active domain and their children recursively. 'count' file now only
> > shows power state counts for powerdomains.
> 
> The only comment I had on this patch was what I also said in response
> to PATCH 1/8 about keeping the clock usecounts separate if possible.
> voltdm, pwrdm, clkdm and hwmod are OMAP specific frameworks (and so is
> clock framework for now) but sooner than later we would move to using
> COMMON clock framework and then supporting the clock usecounts in
> /debug/pm_debug/usecount would not be possible.

Well, I guess we can move these patches to a separate debug set for now
in that case, and people who want to use them can do that.

> 
> >
> > This patch also provices a way to do printk dumps from kernel code,
> > by calling the pm_dbg_dump_X functions. The plan is to call these
> > functions once an error condition is detected, e.g. failed suspend.

^
|
This part is the main motivation for this patch imo.

-Tero

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