0083-RP2040-USB-retry-handling-irqs-if-some-went-missing.patch

From 7281c092421abcda784032ff30da2e76e05f0ea9 Mon Sep 17 00:00:00 2001
From: Martino Facchin <m.facchin@arduino.cc>
Date: Wed, 12 May 2021 16:00:01 +0200
Subject: [PATCH 83/87] RP2040: USB: retry handling irqs if some went missing

---
 targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp b/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp
index 9beb225a30..5b5185dfee 100644
--- a/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp
+++ b/targets/TARGET_RASPBERRYPI/TARGET_RP2040/USBPhy_RP2040.cpp
@@ -391,6 +391,9 @@ void USBPhyHw::endpoint_abort(usb_ep_t endpoint)
 
 void USBPhyHw::process()
 {
+
+again:
+
     // reset interrupt
     if (usb_hw->ints & USB_INTS_BUS_RESET_BITS) {
         // Clear the device address
@@ -509,7 +512,8 @@ void USBPhyHw::process()
     {
         volatile int ints = usb_hw->ints;
         volatile int going = 1;
-        while(ints && going);
+        goto again;
+        //while(ints && going);
     }
 
 
-- 
2.30.2