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authorMichael S. Tsirkin <mst@redhat.com>2011-06-14 17:51:11 +0300
committerMichael S. Tsirkin <mst@redhat.com>2011-06-15 18:27:15 +0300
commitbefeac45d4d9afb587eca9a27d975db4a7950960 (patch)
treeaab24c856a3ea944e287d7f2591bb4bab6a56eb4 /hw/sd.c
parent35f754620615138aaae0ef72602f84c88fd8de0f (diff)
parent0b862cedf36d927818c50584ddd611b0370673df (diff)
downloadfocaccia-qemu-befeac45d4d9afb587eca9a27d975db4a7950960.tar.gz
focaccia-qemu-befeac45d4d9afb587eca9a27d975db4a7950960.zip
Merge remote-tracking branch 'origin/master' into pci
Conflicts:
	hw/virtio-pci.c
Diffstat (limited to 'hw/sd.c')
-rw-r--r--hw/sd.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/sd.c b/hw/sd.c
index f44a97092b..cedfb20249 100644
--- a/hw/sd.c
+++ b/hw/sd.c
@@ -1104,6 +1104,17 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
         }
         break;
 
+    case 52:
+    case 53:
+        /* CMD52, CMD53: reserved for SDIO cards
+         * (see the SDIO Simplified Specification V2.0)
+         * Handle as illegal command but do not complain
+         * on stderr, as some OSes may use these in their
+         * probing for presence of an SDIO card.
+         */
+        sd->card_status |= ILLEGAL_COMMAND;
+        return sd_r0;
+
     /* Application specific commands (Class 8) */
     case 55:	/* CMD55:  APP_CMD */
         if (sd->rca != rca)