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SubjectRe: [PATCH 1/1] usb,uhci: add a new tag for virtual uhci devices
On Fri, 28 Jun 2013, Li, Zhen-Hua (USL-China) wrote:

> There was a problem, the warning "Controller not stopped yet".
> And your last patch for this problem does a wrong thing:
> It prevents all HP uhci devices from auto-stop, which make HP uhci
> devices waste more
> power.

Do they really waste more power? Have you measured this?

Is CONFIG_PM enabled in the kernel configuration?

> This is another new problem.
>
> I think this should be corrected, so I want to apply it.

In the last email, you said that your patch did not make the machine
act different. Now you say that your patch makes the machine use less
power. Which statement is correct?

Alan Stern



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