Re: USB controller status

From: Greg KH
Date: Mon Jan 16 2012 - 12:49:25 EST


On Mon, Jan 16, 2012 at 04:15:09PM +0530, Praveen kumar wrote:
> Hi All,
>         As part of diagnostics  I have to make sure the USB controller is
> configured correctly.

How can it not be configured correctly?

> Can I get this information from any entry in /sys or /proc ?? If yes where ??
> If no I plan to add a exclusive entry in the driver to do my diagnostics.

What type of diagnostics are you trying to do?

> Is that feasible by reading some of the registers in
> the controller ??

You have looked at the debugfs files for the usb controllers for this
type of thing already, right?

greg k-h
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