From 4e656078b6e5282370b294355da43a988c2a8dfc Mon Sep 17 00:00:00 2001
From: Raman Gopalan <ramangopalan@gmail.com>
Date: Sun, 26 Nov 2023 15:47:06 +0530
Subject: [PATCH] soft_i2c: Loop iteration variable: Conform to C89

---
 components/drivers/i2c/soft_i2c.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/components/drivers/i2c/soft_i2c.c b/components/drivers/i2c/soft_i2c.c
index 7c3bd1e93a..54c7395121 100644
--- a/components/drivers/i2c/soft_i2c.c
+++ b/components/drivers/i2c/soft_i2c.c
@@ -221,8 +221,9 @@ int rt_soft_i2c_init(void)
 {
     int err = RT_EOK;
     struct rt_soft_i2c *obj;
+    int i;
 
-    for(int i = 0; i < sizeof(i2c_bus_obj) / sizeof(i2c_bus_obj[0]); i++)
+    for(i = 0; i < sizeof(i2c_bus_obj) / sizeof(i2c_bus_obj[0]); i++)
     {
         struct soft_i2c_config *cfg = &i2c_cfg[i];