From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tony Lindgren <tony@atomide.com>
Subject: Re: [PATCH 1/2] OMAP3 PM: move omap3 sleep to ddr
Date: Thu, 18 Nov 2010 10:27:52 -0800
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To: Jean Pihet <jean.pihet@newoldbits.com>
Cc: Nishanth Menon <nm@ti.com>, Kevin Hilman <khilman@deeprootsystems.com>, linux-omap@vger.kernel.org, Vishwanath Sripathy <vishwanath.bs@ti.com>, Jean Pihet-XID <j-pihet@ti.com>

* Jean Pihet <jean.pihet@newoldbits.com> [101118 10:06]:
> On Thu, Nov 18, 2010 at 6:52 PM, Tony Lindgren <tony@atomide.com> wrote:
> 
> About the DPLL lock:
> 1) wait_sdrc_ok is only called when back from the non-OFF modes,
> 2) I checked that when running wait_sdrc_ok the CORE is already out of
> idle and the DPLL is already locked. Note: l-o code has no support for
> the voltages OFF and the external clocks OFF.
> 
> What to conclude from 1) and 2)? In my test setup ot looks like
> wait_sdrc_ok is of no use, but I agree this a premature conclusion.

Yeah we should figure out in which cases wait_sdrc_ok is needed.

BTW, are you sure you're hitting core idle in your tests?

Regards,

Tony