[PATCH v3 0/6] power: add power sequence library

Joshua Clayton
2016-08-01T14:55:10Z

On 07/28/2016 09:41 AM, Fabio Estevam wrote:
> Hi Joshua,
>
> On Thu, Jul 28, 2016 at 12:56 PM, Joshua Clayton
> <stillcompiling@gmail.com> wrote:
>
>> I assume there is a v4 coming due to rmk's comments on patch 5.
>> I couldn't figure out where to null the of_node in error paths, but in testing
>> we did put a line of code to null the of_node on release.
>>
>> but...
>> As an aside,
>> I was hoping this series would magically fix a problem
>> with the imx6q-evi which has forced us to disable
>> runtime power management. But it did not. :(
> I also see a similar problem on a mx28 board with a hub.
>
> Does it help in your case if you pass 'usbcore.autosuspend=-1' in the
> kernel command line?
>
> Regards,
>
> Fabio Estevam
Thanks a million, Fabio!

'usbcore.autosuspend=-1' quiets the errors.

~joshua

P.S. I guess this technically is a bug in chipidea usb.
I'll give it a quick once over, though I am not very familiar
with USB core or the CI driver.