From eefd87284ccb07fe1994f2e55d8fa5cb0dbc4f8c Mon Sep 17 00:00:00 2001
From: Bernard Xiong <bernard.xiong@gmail.com>
Date: Tue, 1 Mar 2016 10:55:16 +0800
Subject: [PATCH] [DeviceDrivers] fix the compiling warning in MMC/SD

---
 components/drivers/include/drivers/sd.h | 4 ++++
 components/drivers/sdio/mmcsd_core.c    | 2 ++
 components/drivers/sdio/sdio.c          | 1 +
 3 files changed, 7 insertions(+)

diff --git a/components/drivers/include/drivers/sd.h b/components/drivers/include/drivers/sd.h
index fb29c8e77..7d5fcacad 100644
--- a/components/drivers/include/drivers/sd.h
+++ b/components/drivers/include/drivers/sd.h
@@ -34,6 +34,10 @@ extern "C" {
 
 rt_err_t mmcsd_send_if_cond(struct rt_mmcsd_host *host, rt_uint32_t ocr);
 rt_err_t mmcsd_send_app_op_cond(struct rt_mmcsd_host *host, rt_uint32_t ocr, rt_uint32_t *rocr);
+
+rt_err_t mmcsd_get_card_addr(struct rt_mmcsd_host *host, rt_uint32_t *rca);
+rt_int32_t mmcsd_get_scr(struct rt_mmcsd_card *card, rt_uint32_t *scr);
+
 rt_int32_t init_sd(struct rt_mmcsd_host *host, rt_uint32_t ocr);
 
 #ifdef __cplusplus
diff --git a/components/drivers/sdio/mmcsd_core.c b/components/drivers/sdio/mmcsd_core.c
index 57f38371b..095ecaff8 100644
--- a/components/drivers/sdio/mmcsd_core.c
+++ b/components/drivers/sdio/mmcsd_core.c
@@ -26,6 +26,7 @@
 #include <drivers/mmcsd_core.h>
 #include <drivers/sd.h>
 #include <drivers/mmc.h>
+#include <drivers/sdio.h>
 
 #ifndef RT_MMCSD_STACK_SIZE
 #define RT_MMCSD_STACK_SIZE 1024
@@ -520,6 +521,7 @@ void mmcsd_set_data_timeout(struct rt_mmcsd_data       *data,
 rt_uint32_t mmcsd_select_voltage(struct rt_mmcsd_host *host, rt_uint32_t ocr)
 {
     int bit;
+    extern int __rt_ffs(int value);
 
     ocr &= host->valid_ocr;
 
diff --git a/components/drivers/sdio/sdio.c b/components/drivers/sdio/sdio.c
index 6b2d655dd..9f387f0f6 100644
--- a/components/drivers/sdio/sdio.c
+++ b/components/drivers/sdio/sdio.c
@@ -24,6 +24,7 @@
 
 #include <drivers/mmcsd_core.h>
 #include <drivers/sdio.h>
+#include <drivers/sd.h>
 
 #ifndef RT_SDIO_STACK_SIZE
 #define RT_SDIO_STACK_SIZE 512
-- 
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