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authorGregory Herrero <gregory.herrero@intel.com>2015-09-22 15:16:44 +0200
committerFelipe Balbi <balbi@ti.com>2015-10-01 12:40:16 -0500
commitbea78555f71e01196d0a4613ffefd4c8920ba439 (patch)
treef146c1086505f80aee79a97766c146da68e23ac3 /drivers/usb/dwc2
parent6e74162f69c7fb6f60941ea7e94f1264bd6225fb (diff)
downloadop-kernel-dev-bea78555f71e01196d0a4613ffefd4c8920ba439.zip
op-kernel-dev-bea78555f71e01196d0a4613ffefd4c8920ba439.tar.gz
usb: dwc2: host: resume only if bus is suspended
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>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r--drivers/usb/dwc2/hcd.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 65ae0a39..856e21c 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -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:
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