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usb: dwc2: host: resume root hub on port connect

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Once hub is runtime suspended, dwc2 must resume it
on port connect event.
Else, roothub will stay in suspended state and will
not resume transfers.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Gregory Herrero 2015-04-29 22:09:14 +02:00 committed by Felipe Balbi
parent 99a657983a
commit a7714c1cb1
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/dwc2/hcd_intr.c
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@ -350,6 +350,9 @@ static void dwc2_port_intr(struct dwc2_hsotg *hsotg)
dev_vdbg(hsotg->dev,
"--Port Interrupt HPRT0=0x%08x Port Connect Detected--\n",
hprt0);
if (hsotg->lx_state != DWC2_L0)
usb_hcd_resume_root_hub(hsotg->priv);
hsotg->flags.b.port_connect_status_change = 1;
hsotg->flags.b.port_connect_status = 1;
hprt0_modify |= HPRT0_CONNDET;