From f420b4dce7cfcefb54774bc9cad420f4a8d467f1 Mon Sep 17 00:00:00 2001
From: flyingfish89 <2914061332@qq.com>
Date: Mon, 21 Nov 2022 16:03:22 +0800
Subject: [PATCH] esp32c3:fix i2c bug of timout

Signed-off-by: flyingfish89 <2914061332@qq.com>
---
 arch/risc-v/src/esp32c3/esp32c3_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/risc-v/src/esp32c3/esp32c3_i2c.c b/arch/risc-v/src/esp32c3/esp32c3_i2c.c
index afc5a9046e..49b73b606b 100644
--- a/arch/risc-v/src/esp32c3/esp32c3_i2c.c
+++ b/arch/risc-v/src/esp32c3/esp32c3_i2c.c
@@ -844,7 +844,7 @@ static int esp32c3_i2c_polling_waitdone(struct esp32c3_i2c_priv_s *priv)
    * and an error didn't occur within the timeout
    */
 
-  while ((current < timeout) && (priv->error == 0))
+  while ((sclock_t)(current - timeout) < 0 && (priv->error == 0))
     {
       /* Check if any interrupt triggered, clear them
        * process the operation.