Re: [PATCH 1/2 v2] usb/core: consider link speed while looking at bMaxPower

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On Wed, 5 Dec 2012, Sebastian Andrzej Siewior wrote:

> The USB 2.0 specification says that bMaxPower is the maximum power
> consumption expressed in 2 mA units and the USB 3.0 specification says
> that it is expressed in 8 mA units.
> This patch adds a helper function usb_get_max_power() which computes the
> value based on config & usb_device's speed value. The sysfs interface &
> the device descriptor dump compute the value on their own.

Why doesn't the sysfs function use usb_get_max_power?  Am I missing 
something?

Alan Stern

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