[PATCH v4] usb: ohci-at91: Forcibly suspend ports while USB suspend

Alan Stern stern at rowland.harvard.edu
Tue Jun 21 08:53:06 PDT 2016


On Tue, 21 Jun 2016, Nicolas Ferre wrote:

> Le 21/06/2016 03:32, Wenyou Yang a écrit :
> > In order to save power consumption, as a workaround, forcibly suspend
> > the USB PORTA/B/C via setting the SUSPEND_A/B/C bits of OHCI Interrupt
> > Configuration Register in the SFR while OHCI USB suspend.
> > 
> > This suspend operation must be done before the USB clock is disabled,
> > resume after the USB clock is enabled.
> > 
> > Signed-off-by: Wenyou Yang <wenyou.yang at atmel.com>
> 
> Acked-by: Nicolas Ferre <nicolas.ferre at atmel.com>
> 
> Alan, can you take it as it doesn't have dependency on the at91 material
> anymore.

Sorry, I will not accept this patch until Wenyou Yang answers the 
questions I raised in

	http://marc.info/?l=linux-usb&m=146307669102601&w=2

and

	http://marc.info/?l=linux-usb&m=146541324027407&w=2

Alan Stern




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