From 4fe5ce75c464fe8d4bd9478c854da170256699c3 Mon Sep 17 00:00:00 2001
From: Hehesheng <hhslzzyyes@outlook.com>
Date: Tue, 14 Jan 2020 17:06:18 +0800
Subject: [PATCH] fixed drv_gpio bug

---
 bsp/k210/driver/drv_gpio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bsp/k210/driver/drv_gpio.c b/bsp/k210/driver/drv_gpio.c
index 4efce0e827..dfc59ba6d8 100644
--- a/bsp/k210/driver/drv_gpio.c
+++ b/bsp/k210/driver/drv_gpio.c
@@ -257,7 +257,7 @@ const static struct rt_pin_ops drv_pin_ops =
 int rt_hw_pin_init(void)
 {
     rt_err_t ret = RT_EOK;
-    memset(pin_alloc_table, 0, sizeof pin_alloc_table);
+    memset(pin_alloc_table, -1, sizeof pin_alloc_table);
     free_pin = GPIO_ALLOC_START;
     ret = rt_device_pin_register("pin", &drv_pin_ops, RT_NULL);