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usb: dwc2: host: resume only if bus is suspended

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Port can be resumed in bus_resume callback.
In this case, there is no need to drive resume a second time
when hcd ask for it.

Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Gregory Herrero 2015-09-22 15:16:44 +02:00 committed by Felipe Balbi
parent 6e74162f69
commit bea78555f7
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc2/hcd.c
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@ -1571,7 +1571,8 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
dev_dbg(hsotg->dev,
"ClearPortFeature USB_PORT_FEAT_SUSPEND\n");
dwc2_port_resume(hsotg);
if (hsotg->bus_suspended)
dwc2_port_resume(hsotg);
break;
case USB_PORT_FEAT_POWER: