[PATCHv2 11/19] ARM: OMAP4: PM: save/restore CM L3INSTR registers when MPU hits OSWR/OFF mode

Kevin Hilman khilman at ti.com
Wed May 16 19:17:23 EDT 2012

Tero Kristo <t-kristo at ti.com> writes:

> From: Rajendra Nayak <rnayak at ti.com>
> On HS devices on the way out of MPU OSWR and OFF ROM code wrongly
> overwrites the CM L3INSTR registers. So to avoid this, save them and
> restore on the way out from MPU OSWR/OFF.
> This errata applies to all HS/EMU versions of OMAP4.
> Signed-off-by: Rajendra Nayak <rnayak at ti.com>
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
> [t-kristo at ti.com: added omap4 pm errata support]
> Signed-off-by: Tero Kristo <t-kristo at ti.com>

Let's use the cluster PM notifiers here too, using the PM errata check
when registering the notifier.


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