From e49995a8a0b354c890454333f7d5ca9712078b83 Mon Sep 17 00:00:00 2001
From: Yunfei Li <liyunfei33@huawei.com>
Date: Mon, 6 Mar 2023 15:36:57 +0800
Subject: [PATCH 2/2] lib:Fix atomic_flag error for clang compilation

Change atomic_int to atomic_flag to solve the error
reported when compiling with clang.

Signed-off-by: Yunfei Li <liyunfei33@huawei.com>
---
 lib/include/openamp/rpmsg_retarget.h | 2 +-
 lib/proxy/rpmsg_retarget.c           | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/include/openamp/rpmsg_retarget.h b/lib/include/openamp/rpmsg_retarget.h
index b5fe8c6..791874b 100644
--- a/lib/include/openamp/rpmsg_retarget.h
+++ b/lib/include/openamp/rpmsg_retarget.h
@@ -46,7 +46,7 @@ struct rpmsg_rpc_syscall {
 struct rpmsg_rpc_data {
 	struct rpmsg_endpoint ept;
 	int ept_destroyed;
-	atomic_int nacked;
+	atomic_flag nacked;
 	void *respbuf;
 	size_t respbuf_len;
 	rpmsg_rpc_poll poll;
diff --git a/lib/proxy/rpmsg_retarget.c b/lib/proxy/rpmsg_retarget.c
index 7a1cb7e..2b93427 100644
--- a/lib/proxy/rpmsg_retarget.c
+++ b/lib/proxy/rpmsg_retarget.c
@@ -85,7 +85,8 @@ int rpmsg_rpc_init(struct rpmsg_rpc_data *rpc,
 	rpc->ept_destroyed = 0;
 	rpc->respbuf = NULL;
 	rpc->respbuf_len = 0;
-	atomic_init(&rpc->nacked, 1);
+	rpc->nacked = (atomic_flag)ATOMIC_FLAG_INIT;
+	atomic_flag_test_and_set(&rpc->nacked);
 	ret = rpmsg_create_ept(&rpc->ept, rdev,
 			       ept_name, ept_addr, ept_raddr,
 			       rpmsg_rpc_ept_cb, rpmsg_service_unbind);
-- 
2.28.0.windows.1