From 45ab801c300d605db96229f6e0626ebe2801f24d Mon Sep 17 00:00:00 2001
From: Peter Harper <peter.harper@raspberrypi.com>
Date: Tue, 26 Jul 2022 15:56:07 +0100
Subject: [PATCH] rp2/cyw43_configport: Add event hook into cyw43_delay_ms.

Still see some USB issues apparently caused by delays loading wifi
firmware.  cyw43_delay_ms is used to wait in the driver, so we should call
the event hook in there.

Fixes #8963.
---
 ports/rp2/cyw43_configport.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ports/rp2/cyw43_configport.h b/ports/rp2/cyw43_configport.h
index b6f5b3cad8..a5ce8a9e74 100644
--- a/ports/rp2/cyw43_configport.h
+++ b/ports/rp2/cyw43_configport.h
@@ -93,6 +93,7 @@ static inline void cyw43_delay_ms(uint32_t ms) {
     int32_t start = mp_hal_ticks_us();
     while (mp_hal_ticks_us() - start < us) {
         __WFI();
+        MICROPY_EVENT_POLL_HOOK_FAST;
     }
 }