Re: [RFC 1/2] USB: Notify OTG errors to user space via uevents

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On 12/7/2010 10:12 AM, Greg KH wrote:
>>> > > Please don't, this is NOT the way to get errors from the kernel back out
>>> > > to userspace, because, as you have noted, this is not how any other
>>> > > subsystem does it.
>>> > > 
>> > Thanks for your feedback. Is there any other way kernel can send errors
>> > to user space asynchronously? is /dev/ interface acceptable?
> Andi Kleen was working on a unified error reporting system for the
> kernel for things like this and other subsystems.  Try working with him
> on this as it sounds like it would be what you need.

Thanks for your inputs. I have looked at Andi Kleen's "Unified error
reporting -- A worthy goal?" But it talks mostly about platform errors.
I will work with him and find out if we can use his approach for
notifying OTG errors to user space.


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