From e0d82fdf3a9c8418d78d3a41f95ef96dc43a034d Mon Sep 17 00:00:00 2001
From: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
Date: Sun, 28 Apr 2024 11:38:36 +0800
Subject: [PATCH] drivers/usedev: remove unnecessary mdelay because remain req
 info had beed push to serial buffer

this mdelay causes cpu busy wait, affects other process running.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
---
 drivers/usbdev/cdcacm.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/usbdev/cdcacm.c b/drivers/usbdev/cdcacm.c
index d0b8365d2a7..efffdd1a490 100644
--- a/drivers/usbdev/cdcacm.c
+++ b/drivers/usbdev/cdcacm.c
@@ -1491,7 +1491,6 @@ static void cdcacm_unbind(FAR struct usbdevclass_driver_s *driver,
        */
 
       cdcacm_resetconfig(priv);
-      up_mdelay(50);
 
       /* Free the pre-allocated control request */