From 282f43823a0891a53b7368c56beed89f6ba1d9a7 Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Thu, 7 Aug 2014 11:47:30 +0000
Subject: [PATCH] Fixed bug #522.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7154 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/LLD/sdc_lld.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/os/hal/ports/STM32/LLD/sdc_lld.c b/os/hal/ports/STM32/LLD/sdc_lld.c
index 7b6310038..b5b223d72 100644
--- a/os/hal/ports/STM32/LLD/sdc_lld.c
+++ b/os/hal/ports/STM32/LLD/sdc_lld.c
@@ -486,7 +486,7 @@ bool sdc_lld_send_cmd_short(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
   while (((sta = SDIO->STA) & (SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT |
                                SDIO_STA_CCRCFAIL)) == 0)
     ;
-  SDIO->ICR = sta;
+  SDIO->ICR = sta & (SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT | SDIO_STA_CCRCFAIL);
   if ((sta & (SDIO_STA_CTIMEOUT)) != 0) {
     sdc_lld_collect_errors(sdcp, sta);
     return HAL_FAILED;
@@ -520,7 +520,7 @@ bool sdc_lld_send_cmd_short_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
   while (((sta = SDIO->STA) & (SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT |
                                SDIO_STA_CCRCFAIL)) == 0)
     ;
-  SDIO->ICR = sta;
+  SDIO->ICR = sta & (SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT | SDIO_STA_CCRCFAIL);
   if ((sta & (SDIO_STA_CTIMEOUT | SDIO_STA_CCRCFAIL)) != 0) {
     sdc_lld_collect_errors(sdcp, sta);
     return HAL_FAILED;
@@ -555,7 +555,7 @@ bool sdc_lld_send_cmd_long_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
   while (((sta = SDIO->STA) & (SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT |
                                SDIO_STA_CCRCFAIL)) == 0)
     ;
-  SDIO->ICR = sta;
+  SDIO->ICR = sta & (SDIO_STA_CMDREND | SDIO_STA_CTIMEOUT | SDIO_STA_CCRCFAIL);
   if ((sta & (STM32_SDIO_STA_ERROR_MASK)) != 0) {
     sdc_lld_collect_errors(sdcp, sta);
     return HAL_FAILED;