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usb: dwc2: Change hub-control to allow hibernation

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Affected cases:
ClearPortFeature's
 USB_PORT_FEAT_SUSPEND

SetPortFeature's
 USB_PORT_FEAT_SUSPEND
 USB_PORT_FEAT_RESET

Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Vardan Mikayelyan 2018-02-16 14:12:02 +04:00 committed by Felipe Balbi
parent 65c9c4c6b0
commit f260b25085
1 changed files with 13 additions and 3 deletions
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16
drivers/usb/dwc2/hcd.c
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@ -3506,8 +3506,12 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
dev_dbg(hsotg->dev,
"ClearPortFeature USB_PORT_FEAT_SUSPEND\n");
if (hsotg->bus_suspended)
dwc2_port_resume(hsotg);
if (hsotg->bus_suspended) {
if (hsotg->hibernated)
dwc2_exit_hibernation(hsotg, 0, 0, 1);
else
dwc2_port_resume(hsotg);
}
break;
case USB_PORT_FEAT_POWER:
@ -3715,7 +3719,10 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
"SetPortFeature - USB_PORT_FEAT_SUSPEND\n");
if (windex != hsotg->otg_port)
goto error;
dwc2_port_suspend(hsotg, windex);
if (hsotg->params.power_down == 2)
dwc2_enter_hibernation(hsotg, 1);
else
dwc2_port_suspend(hsotg, windex);
break;
case USB_PORT_FEAT_POWER:
@ -3727,6 +3734,9 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
break;
case USB_PORT_FEAT_RESET:
if (hsotg->params.power_down == 2 &&
hsotg->hibernated)
dwc2_exit_hibernation(hsotg, 0, 1, 1);
hprt0 = dwc2_read_hprt0(hsotg);
dev_dbg(hsotg->dev,
"SetPortFeature - USB_PORT_FEAT_RESET\n");