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[Qemu-devel] [PULL 21/32] sdcard: remove commands from unsupported old M


From: Peter Maydell
Subject: [Qemu-devel] [PULL 21/32] sdcard: remove commands from unsupported old MMC specification
Date: Thu, 22 Feb 2018 15:22:56 +0000

From: Philippe Mathieu-Daudé <address@hidden>

This device does not model MMCA Specification previous to v4.2

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Alistair Francis <address@hidden>
Message-id: address@hidden
Signed-off-by: Peter Maydell <address@hidden>
---
 hw/sd/sd.c | 33 ---------------------------------
 1 file changed, 33 deletions(-)

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index c87142d648..e55bf1fa75 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1037,24 +1037,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd,
         }
         break;
 
-    case 11:   /* CMD11:  READ_DAT_UNTIL_STOP */
-        if (sd->spi)
-            goto bad_cmd;
-        switch (sd->state) {
-        case sd_transfer_state:
-            sd->state = sd_sendingdata_state;
-            sd->data_start = req.arg;
-            sd->data_offset = 0;
-
-            if (sd->data_start + sd->blk_len > sd->size)
-                sd->card_status |= ADDRESS_ERROR;
-            return sd_r0;
-
-        default:
-            break;
-        }
-        break;
-
     case 12:   /* CMD12:  STOP_TRANSMISSION */
         switch (sd->state) {
         case sd_sendingdata_state:
@@ -1862,21 +1844,6 @@ uint8_t sd_read_data(SDState *sd)
             sd->state = sd_transfer_state;
         break;
 
-    case 11:   /* CMD11:  READ_DAT_UNTIL_STOP */
-        if (sd->data_offset == 0)
-            BLK_READ_BLOCK(sd->data_start, io_len);
-        ret = sd->data[sd->data_offset ++];
-
-        if (sd->data_offset >= io_len) {
-            sd->data_start += io_len;
-            sd->data_offset = 0;
-            if (sd->data_start + io_len > sd->size) {
-                sd->card_status |= ADDRESS_ERROR;
-                break;
-            }
-        }
-        break;
-
     case 13:   /* ACMD13: SD_STATUS */
         ret = sd->sd_status[sd->data_offset ++];
 
-- 
2.16.1




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