Re: suspend broken on 3.5-rc1?

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Hi Kevin,

On 11 July 2012 16:42, Kevin Hilman <khilman@xxxxxx> wrote:
> Omar Ramirez Luna <omar.luna@xxxxxxxxxx> writes:
>
>> On 12 June 2012 07:01, Rajendra Nayak <rnayak@xxxxxx> wrote:
>
> [...]
>
>>> ..anyone knows of any more fixes going around?
>>
>> I'm seeing the same thing, it gets stuck trying to enable CPU1, tried
>> this with pm-20120710 from linux-omap-pm and current LO master (based
>> on 3.5-rc6), also using a Panda 4460.
>
> When reporing problems like this, it is greatly helpful to report your
> defconfig (specifically, any changes from omap2plus_defconfig.)

Sorry, I missed this since it was omap2plus_defconfig +
CONFIG_DMADEVICES and CONFIG_DMA_OMAP.

> Specifically, do you have CONFIG_MFD_OMAP_USB_HOST in your defconfig?

No.

> There are known bugs that cause the USB host driver to hang suspend in
> mainline.  Because of this, and the fact that the USB developers did not
> fix try to this for v3.5, current l-o master (and my pm branch) now have
> this disabled by default in omap2plus_defconfig.
>
>> Would appreciate patches if any.
>
> If it's the USB host problem you need fixed, Russ Dill has posted a
> couple patches and Keshava has posted a bigger revert, but there hasn't
> been any conclusion on the fix yet.
>
> Can you try to reproduce with omap2plus_defconfig (+ DMA engine if you
> need MMC rootfs.)
>
> With omap2plus_defconfig + initramfs and omap2plus_defconfig + DMAengine
> for MMC rootfs, this is working fine for me on my 4430 Panda using RTC
> wakeups:

I suspect this might be specific to 4460 as Rajendra reported it was
working for him on 4430 but not on 4460, I haven't tried 4430 but let
me see if I can find one.

Thanks,

Omar
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