From: Gregory Herrero <gregory.herr...@intel.com>
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.herr...@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kau...@intel.com>
Tested-by: Robert Baldyga <r.bald...@samsung.com>
---
drivers/usb/dwc2/hcd.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index e1cf9c0..9677908f 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1561,7 +1561,8 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg,
u16 typereq,
writel(0, hsotg->regs + PCGCTL);
usleep_range(20000, 40000);
- dwc2_port_resume(hsotg);
+ if (hsotg->bus_suspended)
+ dwc2_port_resume(hsotg);
break;
case USB_PORT_FEAT_POWER:
--
2.3.3
--
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