Re: usb: chipidea: udc: BUG: sleeping function called from invalid context

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05.03.2020 05:12, Peter Chen пишет:
> On 20-03-04 19:10:08, Dmitry Osipenko wrote:
>> Hello,
>>
>> I was trying out today's linux-next-20200304 and noticed this splat in KMSG:
>>
...
>> I haven't tried to figure out what change causes this problem, it didn't
>> happen using next-20200218. Please take a look, thanks in advance.
> 
> Dmitry, thanks for reporting. I haven't met that issue, it maybe I
> enable runtime pm, but you have not? So I don't trigger
> "dev->power.runtime_status != RPM_ACTIVE" condition below
> 
> 	might_sleep_if(!(rpmflags & RPM_ASYNC) && !dev->power.irq_safe &&
> 			dev->power.runtime_status != RPM_ACTIVE);

The runtime PM always presents on Tegra, do you have
CONFIG_DEBUG_ATOMIC_SLEEP=y in the kernel's config?

> I send the fix patch, but git send-email seems doesn't add auto cc
> according to reported-by tag, so you are not at cc list. Would you
> please have a test?

It fixes the problem, thanks!



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