diff --git a/drivers/usb/dwc3/dwc3-imx8mp.c b/drivers/usb/dwc3/dwc3-imx8mp.c index b0f5266af954..b3d7252bd910 100644 --- a/drivers/usb/dwc3/dwc3-imx8mp.c +++ b/drivers/usb/dwc3/dwc3-imx8mp.c @@ -158,11 +158,31 @@ static irqreturn_t dwc3_imx8mp_interrupt(int irq, void *_dwc3_imx) return IRQ_HANDLED; } +static void dwc3_imx_pre_set_role(struct dwc3 *dwc, enum usb_role role) +{ + if (role == USB_ROLE_HOST) + /* + * For xhci host, we need disable dwc core auto + * suspend, because during this auto suspend delay(5s), + * xhci host RUN_STOP is cleared and wakeup is not + * enabled, if device is inserted, xhci host can't + * response the connection. + */ + pm_runtime_dont_use_autosuspend(dwc->dev); + else + pm_runtime_use_autosuspend(dwc->dev); +} + +struct dwc3_glue_ops dwc3_imx_glue_ops = { + .pre_set_role = dwc3_imx_pre_set_role, +}; + static int dwc3_imx8mp_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; struct dwc3_imx8mp *dwc3_imx; + struct dwc3 *dwc3; struct resource *res; int err, irq; @@ -240,6 +260,17 @@ static int dwc3_imx8mp_probe(struct platform_device *pdev) goto depopulate; } + dwc3 = platform_get_drvdata(dwc3_imx->dwc3_pdev); + if (!dwc3) { + err = dev_err_probe(dev, -EPROBE_DEFER, "failed to get dwc3 platform data\n"); + goto depopulate; + } + + dwc3->glue_ops = &dwc3_imx_glue_ops; + + if (dwc3->dr_mode == USB_DR_MODE_HOST) + pm_runtime_dont_use_autosuspend(dwc3->dev); + err = devm_request_threaded_irq(dev, irq, NULL, dwc3_imx8mp_interrupt, IRQF_ONESHOT, dev_name(dev), dwc3_imx); if (err) {