diff mbox series

[v4,13/20] sdcard: check the card is in correct state for APP CMD (CMD55)

Message ID 20180215221325.7611-14-f4bug@amsat.org
State New
Headers show
Series SDCard: bugfixes, support UHS-I (part 5) | expand

Commit Message

Philippe Mathieu-Daudé Feb. 15, 2018, 10:13 p.m. UTC 
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
---
 hw/sd/sd.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 0ecb446fdb..c2f01a5fa3 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1390,6 +1390,14 @@  static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req)
 
     /* Application specific commands (Class 8) */
     case 55:	/* CMD55:  APP_CMD */
+        switch (sd->state) {
+        case sd_ready_state:
+        case sd_identification_state:
+        case sd_inactive_state:
+            return sd_illegal;
+        default:
+            break;
+        }
         if (!sd->spi) {
             if (sd->rca != rca) {
                 return sd_r0;