From db7722dee8410f27f6ea7dfcbfaf44e2f88cccf3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Berger?= <cedric@precidata.com>
Date: Sun, 22 Mar 2026 14:12:50 +0100
Subject: [PATCH] Simplify tud_task() like in tuh_task()

---
 src/device/usbd.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/device/usbd.c b/src/device/usbd.c
index 42903576c..3c14175f6 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -803,10 +803,8 @@ void tud_task_ext(uint32_t timeout_ms, bool in_isr) {
         break;
     }
 
-#if CFG_TUSB_OS != OPT_OS_NONE && CFG_TUSB_OS != OPT_OS_PICO
-    // return if there is no more events, for application to run other background
-    if (osal_queue_empty(_usbd_q)) { return; }
-#endif
+    // allow to exit tud_task() if there is no event in the next run
+    timeout_ms = 0;
   }
 }