Linux uses it to poll the bus before polling for a card.
Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
Reviewed-by: Alistair Francis <alistair.fran...@xilinx.com>
---
hw/sd/sd.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index b567c44da8..30acd04ad7 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1375,9 +1375,8 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
SDRequest req)
}
break;
- case 52:
- case 53:
- /* CMD52, CMD53: reserved for SDIO cards
+ case 52 ... 54:
+ /* CMD52, CMD53, CMD54: 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
--
2.16.1
