[PATCH 07/10] ARM: OMAP5 / DRA7: Enable CPU RET on suspend

Grazvydas Ignotas notasas at gmail.com
Mon Sep 8 10:23:13 PDT 2014


On Sat, Sep 6, 2014 at 12:15 AM, Nishanth Menon <nm at ti.com> wrote:
> Hi,
> Updated patch below:
> Do let me know if this is ok with folks.
> ---8<----
> From 1b9e11834dac2bd75c396aa7495c806b027653fe Mon Sep 17 00:00:00 2001
> From: Rajendra Nayak <rnayak at ti.com>
> Date: Mon, 27 May 2013 15:46:44 +0530
> Subject: [PATCH V2 7/10] ARM: OMAP5 / DRA7: Enable CPU RET on suspend
> On OMAP5 / DRA7, prevent a CPU powerdomain OFF and resulting MPU OSWR
> and instead attempt a CPU RET and side effect, MPU RET in suspend.
> NOTE: the hardware was originally designed to be capable of achieving
> deep power states such as OFF and OSWR, however due to various issues
> and risks, deepest valid state was determined to be CSWR - hence we use

Would be great to have some more details here..
So there is no hope for OFF mode on OMAP5?


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