Re: dwc2/dwc_otg drivers

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Hi,

(please, always Cc linux-usb)

Billy Araujo <billyaraujo@xxxxxxxxx> writes:
> I saw your contact on Linkedin and it seems you are specialist USB drivers
> for Linux. I I am having an issue dwc2 driver generating lots of interrupts
> 8000 /sec and was wondering if you could give me with some advice on that.

sounds like SOF interrupt is enabled.

> I saw the raspberry pi by uses a dwc_otg and doesn't seem to have that
> issue.
>
> I don't understand very much what it is doing on the interrupts but when I
> initialise a 3rd party kernel module and library it seems to process these
> interrupts and the system becomes very slow. Do you think that installing
> the raspberry pi version of the dwc_otg driver would help?

I would refrain from doing that and sticking to what's in the mainline
kernel tree. If you have issues, please work with the MAINTAINER for
that driver instead.

Also, remember to further describe what's going on, show some logs,
kernel version, etc.

Without information, nobody will be able to help you.

Best of luck

-- 
balbi

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