Re: [PATCH v2 1/2] i2c: tegra: Better handle case where CPU0 is busy for a long time

From: Jon Hunter
Date: Tue Apr 21 2020 - 11:34:33 EST



On 21/04/2020 16:18, Dmitry Osipenko wrote:
> 21.04.2020 17:40, Jon Hunter ÐÐÑÐÑ:
>>
>> On 21/04/2020 14:25, Dmitry Osipenko wrote:
>>> 21.04.2020 12:49, Jon Hunter ÐÐÑÐÑ:
>>> ...
>>>> I can try the above, but I agree it would be best to avoid messing with
>>>> the suspend levels if possible.
>>>
>>> Will be awesome if you could try it and report back the result.
>>>
>>
>> I gave it a try but suspend still fails.
>
> Is this regulator error gone with my changes?
>
> [ 60.450346] WARNING: CPU: 0 PID: 653 at
> /home/jonathanh/workdir/tegra/mlt-linux_next/kernel/drivers/regulator/core.c:2603
> _regulator_disable+0xb8/0x1b4
> [ 60.463959] unbalanced disables for vdd_pexa,vdd_pexb

The above is still there with your changes.

Jon

--
nvpublic