From mboxrd@z Thu Jan  1 00:00:00 1970
From: t-kristo@ti.com (Tero Kristo)
Date: Mon, 16 Jul 2012 14:45:56 +0300
Subject: [PATCHv4 6/8] ARM: OMAP: pm-debug: enhanced usecount debug support
In-Reply-To: <5003F1E9.5080700@ti.com>
References: <1342189185-5306-1-git-send-email-t-kristo@ti.com>
 <1342189185-5306-7-git-send-email-t-kristo@ti.com>
 <5003F1E9.5080700@ti.com>
Message-ID: <1342439156.4672.66.camel@sokoban>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

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