Message ID | 1306101677-26631-4-git-send-email-stefanha@linux.vnet.ibm.com |
---|---|
State | New |
Headers | show |
diff --git a/hw/sd.c b/hw/sd.c index f44a970..cedfb20 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)