Hi Kever,
2014-11-06 2:30 GMT+01:00 Kever Yang <kever.yang@xxxxxxxxxxxxxx>:
>
> +static int _dwc2_hcd_suspend(struct usb_hcd *hcd)
> +{
> + struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
> + u32 hprt0;
> +
> + if (!((hsotg->op_state == OTG_STATE_B_HOST) ||
> + (hsotg->op_state == OTG_STATE_A_HOST)))
> + return 0;
> +
> + if (hsotg->lx_state != DWC2_L0)
> + return 0;
> +
> + hprt0 = dwc2_read_hprt0(hsotg);
> + if (hprt0 & HPRT0_CONNSTS)
> + dwc2_port_suspend(hsotg, 1);
> +
> + return 0;
> +}
> +
> +static int _dwc2_hcd_resume(struct usb_hcd *hcd)
> +{
> + struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
> + u32 hprt0;
> +
> + if (!((hsotg->op_state == OTG_STATE_B_HOST) ||
> + (hsotg->op_state == OTG_STATE_A_HOST)))
> + return 0;
> +
> + if (hsotg->lx_state != DWC2_L2)
> + return 0;
> +
> + hprt0 = dwc2_read_hprt0(hsotg);
> + if ((hprt0 & HPRT0_CONNSTS) && (hprt0 & HPRT0_SUSP))
> + dwc2_port_resume(hsotg);
> +
> + return 0;
> +}
Could you also define these functions under #ifdef CONFIG_PM ?
Thanks.
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