From 1a39169f6e5aae6254d76407b961ebe95c73b091 Mon Sep 17 00:00:00 2001
From: sakumisu <1203593632@qq.com>
Date: Mon, 25 Nov 2024 21:03:51 +0800
Subject: [PATCH] update(port/dwc2/usb_dc_dwc2): clear crst bit because some
 mcu cannot be self-clearing, refs:#276

---
 port/dwc2/usb_dc_dwc2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/port/dwc2/usb_dc_dwc2.c b/port/dwc2/usb_dc_dwc2.c
index 2782655e..9c8a95b6 100644
--- a/port/dwc2/usb_dc_dwc2.c
+++ b/port/dwc2/usb_dc_dwc2.c
@@ -136,10 +136,12 @@ static inline int dwc2_reset(uint8_t busid)
 
     do {
         if (++count > 200000U) {
-            return -1;
+            break;
         }
     } while ((USB_OTG_GLB->GRSTCTL & USB_OTG_GRSTCTL_CSRST) == USB_OTG_GRSTCTL_CSRST);
 
+    USB_OTG_GLB->GRSTCTL &= ~USB_OTG_GRSTCTL_CSRST;
+
     return 0;
 }