[PATCH 00/19] ARM: OMAP4 device off support

[Datta, Shubhrajyoti]

On Fri, Apr 20, 2012 at 8:13 PM, Tero Kristo <t-kristo at ti.com> wrote:
> On Fri, 2012-04-20 at 06:55 -0700, Kevin Hilman wrote:
>> Tero Kristo <t-kristo at ti.com> writes:
>>
>> [...]
>>
>> >> I tried your branch on gp/emu devices but could not reproduce this issue.
>> >> My observation is that while resuming, omap_hsmmc.1 eMMC is
>> >> trying to turn on phoenix vaux1 regulator via i2c which fails due
>> >> to controller timeout.
>> >> Note: eMMC is present only on sdp/blaze
>> >
>> > Did you try this with off-mode enabled and did you check the device
>> > actually goes to off? (see pm_debug/count and verify core off count is
>> > increasing.) And as said, I was only able to see this problem on a blaze
>> > device, panda works fine. But yes, you are probably right and it is not
>> > an MMC driver issue but I2C.
>>
>> Can you try the patch below?  It sounds like the same problem.
>
> Doesn't help with this one. I guess I2C loses context during device off
> and it is not restored properly.
>
> -Tero
Could you try the following patch

https://lkml.org/lkml/2012/3/30/345