On Tue, 23 Aug 2016, Wenyou Yang wrote: > The usb controller does not manage correctly the suspend mode for > the ehci. In echi mode, there is no way to suspend without any > device connected to it. This is why this specific control is added > to fix this issue. Since the suspend mode works in ohci mode, this > specific control works by suspend the usb controller in ohci mode. > > This specific control is by setting the SUSPEND_A/B/C fields of > SFR_OHCIICR(OHCI Interrupt Configuration Register) in the SFR > while the OHCI USB suspend. > > This set operation must be done before the USB clock disabled, > clear operation after the USB clock enabled. > > Signed-off-by: Wenyou Yang <[email protected]> > Reviewed-by: Alexandre Belloni <[email protected]> > Acked-by: Nicolas Ferre <[email protected]> > --- > > Changes in v7: > - Rename ohci_at91_port_ctrl() to ohci_at91_port_suspend(). > - Add check valid_port(wIndex) before invoke > ohci_at91_port_suspend(). > - Call ohci_at91_port_suspend() directly on suspend/resume > operations.
Acked-by: Alan Stern <[email protected]>
