Index: firmware/target/arm/as3525/sd-as3525v2.c
===================================================================
--- firmware/target/arm/as3525/sd-as3525v2.c	(revision 29645)
+++ firmware/target/arm/as3525/sd-as3525v2.c	(working copy)
@@ -822,6 +822,7 @@
 static int sd_transfer_sectors(IF_MD2(int drive,) unsigned long start,
                                 int count, void* buf, bool write)
 {
+    unsigned long response;
     int ret = 0;
 #ifndef HAVE_MULTIDRIVE
     const int drive = 0;
@@ -937,8 +938,7 @@
             dma_enable_channel(0, MCI_FIFO, dma_buf, DMA_PERI_SD,
                 DMAC_FLOWCTRL_PERI_PERI_TO_MEM, false, true, 0, DMA_S8, NULL);
 
-        unsigned long dummy; /* if we don't ask for a response, writing fails */
-        if(!send_cmd(drive, cmd, arg, MCI_RESP, &dummy))
+        if(!send_cmd(drive, cmd, arg, MCI_RESP, &response))
         {
             ret = -21;
             goto sd_transfer_error;
@@ -954,7 +954,7 @@
             while(MCI_STATUS & DATA_BUSY) ;
         }
 
-        if(!send_cmd(drive, SD_STOP_TRANSMISSION, 0, MCI_NO_RESP, NULL))
+        if(!send_cmd(drive, SD_STOP_TRANSMISSION, 0, MCI_RESP, &response))
         {
             ret = -22;
             goto sd_transfer_error;