[RFC 1/4] ARM: OMAP3: cpuidle: Remove unused MPU OSWR support code

Paul Walmsley paul at pwsan.com
Fri Jul 20 14:25:21 EDT 2012


On Fri, 20 Jul 2012, Rajendra Nayak wrote:

> We do not support MPU OSWR on OMAP3. Get rid of the complex/multiple
> save_state handling in omap_sram_idle() and just use 2 save_state
> definitions
> 
> save_state = 1, all logic and memory lost, MPU hits OFF
> save_state = 0, nothing lost, MPU hits CSWR or shallower state
> 
> Signed-off-by: Rajendra Nayak <rnayak at ti.com>

The code is certainly simpler, but I recall seeing patchsets in the past 
that implemented OSWR on OMAP3.  (Not sure which powerdomains it was 
implemented for.)  Do you know what the status of those patchsets are?

- Paul



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