From: Felipe Balbi <balbi@ti.com>
Date: Mon, 19 Dec 2011 11:01:52 +0000 (+0200)
Subject: usb: dwc3: gadget: implement gadget state tracking
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=14cd592f72ea1ce1a25d7a576a5ed6aa761456bc;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

usb: dwc3: gadget: implement gadget state tracking

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

Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 1d139ca05ef1..2a82b7145052 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -512,10 +512,13 @@ 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_state(&dwc->gadget, USB_STATE_ADDRESS);
+	} else {
 		dwc->dev_state = DWC3_DEFAULT_STATE;
+		usb_gadget_set_state(&dwc->gadget, USB_STATE_DEFAULT);
+	}
 
 	return 0;
 }
@@ -549,6 +552,9 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
 		/* if the cfg matches and the cfg is non zero */
 		if (cfg && (!ret || (ret == USB_GADGET_DELAYED_STATUS))) {
 			dwc->dev_state = DWC3_CONFIGURED_STATE;
+			usb_gadget_set_state(&dwc->gadget,
+					USB_STATE_CONFIGURED);
+
 			/*
 			 * Enable transition to U1/U2 state when
 			 * nothing is pending from application.
@@ -564,8 +570,11 @@ static int dwc3_ep0_set_config(struct dwc3 *dwc, struct usb_ctrlrequest *ctrl)
 
 	case DWC3_CONFIGURED_STATE:
 		ret = dwc3_ep0_delegate_req(dwc, ctrl);
-		if (!cfg)
+		if (!cfg) {
 			dwc->dev_state = DWC3_ADDRESS_STATE;
+			usb_gadget_set_state(&dwc->gadget,
+					USB_STATE_ADDRESS);
+		}
 		break;
 	default:
 		ret = -EINVAL;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 742eb8268e9a..2686bf26ccaf 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2137,7 +2137,7 @@ static void dwc3_gadget_reset_interrupt(struct dwc3 *dwc)
 	}
 
 	/* after reset -> Default State */
-	dwc->dev_state = DWC3_DEFAULT_STATE;
+	usb_gadget_set_state(&dwc->gadget, USB_STATE_DEFAULT);
 
 	/* Recent versions support automatic phy suspend and don't need this */
 	if (dwc->revision < DWC3_REVISION_194A) {