[RFC/PATCH 2/2] usb: dwc3: gadget: implement gadget status tracking

[Felipe Balbi <balbi@xxxxxx>]

make use of the previously introduced gadget->status
field.

NYET-Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
 drivers/usb/dwc3/ep0.c    |   17 +++++++++++++----
 drivers/usb/dwc3/gadget.c |    3 +++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 2f51de5..45ba745 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -443,10 +443,13 @@ static int dwc3_ep0_set_address(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
 	reg |= DWC3_DCFG_DEVADDR(addr);
 	dwc3_writel(dwc->regs, DWC3_DCFG, reg);
 
-	if (addr)
+	if (addr) {
 		dwc->dev_state = DWC3_ADDRESS_STATE;
-	else
+		usb_gadget_set_status(&dwc->gadget, USB_STATUS_ADDRESSED);
+	} else {
 		dwc->dev_state = DWC3_DEFAULT_STATE;
+		usb_gadget_set_status(&dwc->gadget, USB_STATUS_DEFAULT);
+	}
 
 	return 0;
 }
@@ -477,14 +480,20 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
 	case DWC3_ADDRESS_STATE:
 		ret = dwc3_ep0_delegate_req(dwc, ctrl);
 		/* if the cfg matches and the cfg is non zero */
-		if (!ret && cfg)
+		if (!ret && cfg) {
 			dwc->dev_state = DWC3_CONFIGURED_STATE;
+			usb_gadget_set_status(&dwc->gadget,
+					USB_STATUS_CONFIGURED);
+		}
 		break;
 
 	case DWC3_CONFIGURED_STATE:
 		ret = dwc3_ep0_delegate_req(dwc, ctrl);
-		if (!cfg)
+		if (!cfg) {
 			dwc->dev_state = DWC3_ADDRESS_STATE;
+			usb_gadget_set_status(&dwc->gadget,
+					USB_STATUS_ADDRESSED);
+		}
 		break;
 	default:
 		ret = -EINVAL;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index ac31771..65d27e0 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1706,6 +1706,8 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
 
 	dev_vdbg(dwc->dev, "%s\n", __func__);
 
+	usb_gadget_set_status(&dwc->gadget, USB_STATUS_RESETTING);
+
 	/*
 	 * WORKAROUND: DWC3 revisions <1.88a have an issue which
 	 * would cause a missing Disconnect Event if there's a
@@ -1806,6 +1808,7 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc)
 	u8			speed;
 
 	dev_vdbg(dwc->dev, "%s\n", __func__);
+	usb_gadget_set_status(&dwc->gadget, USB_STATUS_DEFAULT);
 
 	memset(&params, 0x00, sizeof(params));
 
-- 
1.7.8.rc3

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