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path: root/drivers/usb/dwc2
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-rw-r--r--drivers/usb/dwc2/core_intr.c7
-rw-r--r--drivers/usb/dwc2/gadget.c6
-rw-r--r--drivers/usb/dwc2/platform.c18
3 files changed, 21 insertions, 10 deletions
diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index b8bcb007c92a..e3e0a3ab31da 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -364,10 +364,13 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
if (ret && (ret != -ENOTSUPP))
dev_err(hsotg->dev, "exit hibernation failed\n");
+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
call_gadget(hsotg, resume);
+ } else {
+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
}
- /* Change to L0 state */
- hsotg->lx_state = DWC2_L0;
} else {
if (hsotg->params.hibernation)
return;
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index aeb6f7c84ea0..03bc479d04e0 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4723,12 +4723,6 @@ int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
epnum, 0);
}
- ret = usb_add_gadget_udc(dev, &hsotg->gadget);
- if (ret) {
- dwc2_hsotg_ep_free_request(&hsotg->eps_out[0]->ep,
- hsotg->ctrl_req);
- return ret;
- }
dwc2_hsotg_dump(hsotg);
return 0;
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index daf0d37acb37..405dccf92a31 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -338,7 +338,8 @@ static void dwc2_driver_shutdown(struct platform_device *dev)
{
struct dwc2_hsotg *hsotg = platform_get_drvdata(dev);
- disable_irq(hsotg->irq);
+ dwc2_disable_global_interrupts(hsotg);
+ synchronize_irq(hsotg->irq);
}
/**
@@ -452,10 +453,23 @@ static int dwc2_driver_probe(struct platform_device *dev)
if (hsotg->dr_mode == USB_DR_MODE_PERIPHERAL)
dwc2_lowlevel_hw_disable(hsotg);
+#if IS_ENABLED(CONFIG_USB_DWC2_PERIPHERAL) || \
+ IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
+ /* Postponed adding a new gadget to the udc class driver list */
+ if (hsotg->gadget_enabled) {
+ retval = usb_add_gadget_udc(hsotg->dev, &hsotg->gadget);
+ if (retval) {
+ hsotg->gadget.udc = NULL;
+ dwc2_hsotg_remove(hsotg);
+ goto error;
+ }
+ }
+#endif /* CONFIG_USB_DWC2_PERIPHERAL || CONFIG_USB_DWC2_DUAL_ROLE */
return 0;
error:
- dwc2_lowlevel_hw_disable(hsotg);
+ if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL)
+ dwc2_lowlevel_hw_disable(hsotg);
return retval;
}