From 204376f0ec0b2bae9d1a25edd974f8f20aa2866c Mon Sep 17 00:00:00 2001
From: Jonne <qzhang1535@gmail.com>
Date: Mon, 13 Apr 2020 08:46:51 +0800
Subject: [PATCH] Modify the return code with using macro

---
 bsp/mini2440/drivers/sdcard.c | 4 ++--
 bsp/mini2440/drivers/uart.c   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/bsp/mini2440/drivers/sdcard.c b/bsp/mini2440/drivers/sdcard.c
index d20bfe71bb..9815770bab 100644
--- a/bsp/mini2440/drivers/sdcard.c
+++ b/bsp/mini2440/drivers/sdcard.c
@@ -574,7 +574,7 @@ int rt_hw_sdcard_init(void)
         {
             rt_kprintf("allocate partition sector buffer failed\n");
 
-            return -1;
+            return -RT_ERROR;
         }
         status = sd_readblock(0, sector);
         if (status == RT_EOK)
@@ -637,7 +637,7 @@ int rt_hw_sdcard_init(void)
         /* release sector buffer */
         rt_free(sector);
 
-        return -1; 
+        return -RT_ERROR; 
     }
     else
     {
diff --git a/bsp/mini2440/drivers/uart.c b/bsp/mini2440/drivers/uart.c
index cd18c343d4..6226a3cb17 100644
--- a/bsp/mini2440/drivers/uart.c
+++ b/bsp/mini2440/drivers/uart.c
@@ -196,7 +196,7 @@ int rt_hw_uart_init(void)
     rt_hw_interrupt_install(_hwserial2.irqno, rt_hw_uart_isr, &_serial2, "uart2");
     rt_hw_interrupt_umask(INTUART2);
 
-    return 0;
+    return RT_EOK;
 }
 
 INIT_BOARD_EXPORT(rt_hw_uart_init);