From f746c6e55607e9334cd82adc4b5148f0f3e07b89 Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Sat, 23 Dec 2017 23:56:46 +0800
Subject: [PATCH] [DeviceDrivers] fix compiling warning

---
 components/drivers/sdio/block_dev.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/components/drivers/sdio/block_dev.c b/components/drivers/sdio/block_dev.c
index c42c485eaf..4143272b80 100644
--- a/components/drivers/sdio/block_dev.c
+++ b/components/drivers/sdio/block_dev.c
@@ -42,7 +42,7 @@ struct mmcsd_blk_device
 #define RT_MMCSD_MAX_PARTITION 16
 #endif
 
-static rt_int32_t mmcsd_num_wr_blocks(struct rt_mmcsd_card *card)
+rt_int32_t mmcsd_num_wr_blocks(struct rt_mmcsd_card *card)
 {
     rt_int32_t err;
     rt_uint32_t blocks;
@@ -109,8 +109,6 @@ static rt_err_t rt_mmcsd_req_blk(struct rt_mmcsd_card *card,
                                  rt_size_t             blks,
                                  rt_uint8_t            dir)
 {
-    void *aligned_buf;
-    
     struct rt_mmcsd_cmd  cmd, stop;
     struct rt_mmcsd_data  data;
     struct rt_mmcsd_req  req;
-- 
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