Hi,

Sandeep Maheswaram <sanm@codeaurora.org> writes:
> Avoiding phy powerdown when wakeup capable devices are connected
> by checking phy_power_off flag.
> Phy should be on to wake up the device from suspend using wakeup capable
> devices such as keyboard and mouse.
>
> Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> ---
>  drivers/usb/dwc3/core.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index b6e53d8..bb414c3 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -1738,7 +1738,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
>  		dwc3_core_exit(dwc);
>  		break;
>  	case DWC3_GCTL_PRTCAP_HOST:
> -		if (!PMSG_IS_AUTO(msg)) {
> +		if (!PMSG_IS_AUTO(msg) && dwc->phy_power_off) {

should be able to detect this generically, no? Shouldn't
device_may_wakeup() be valid here and give you the answer you want?

-- 
balbi