From 81070a638407dd7855b3e15cde7fe7912743e01a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carl-Benedikt=20Kr=C3=BCger?=
 <benedikt.krueger@rwth-aachen.de>
Date: Wed, 29 Jun 2011 00:28:15 +0200
Subject: [PATCH] ...

---
 lwip/src/arch/sys_arch.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lwip/src/arch/sys_arch.c b/lwip/src/arch/sys_arch.c
index ca3b15d4..c632296d 100644
--- a/lwip/src/arch/sys_arch.c
+++ b/lwip/src/arch/sys_arch.c
@@ -141,6 +141,7 @@ u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeout)
 		err = sem_trywait(&sem->sem);
 		if (err != -1)
 			return err;
+		udelay(1000);
 		timeout--;
 	}
 	return SYS_ARCH_TIMEOUT;