Re: [PATCH 2/2 v2] usb/core: update power budget for SuperSpeed

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On Mon, 17 Dec 2012, Sebastian Andrzej Siewior wrote:

> Sarah pointed out that the USB3.0 spec also updates the amount of power
> that may be consumed by the device and quoted 9.2.5.1:
> 
> |"The amount of current draw for SuperSpeed devices are increased to 150
> |mA for low-power devices and 900 mA for high-power"
> 
> This patch tries to update all users to use the larger values for
> SuperSpeed devices and use the "old" ones for everything else.
> 
> While here, two other changes suggested by Alan:
> - the comment referering to 7.2.1.1 has been updated to 7.2.1 which is
>   the correct source of the action.
> - the check for hubs with zero ports has been removed.
> - compute bus power via full_load * num_ports on root hubs
> 
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> ---
> v1..v2: compute bus power via "full_load * num_ports"

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

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