diff mbox series

[v49,05/11] hw/sd/sdcard: Fix SET_BLOCK_COUNT command argument on eMMC (CMD23)

Message ID 20240712162719.88165-6-philmd@linaro.org (mailing list archive)
State New, archived
Headers show
Series hw/sd/sdcard: Add eMMC support | expand

Commit Message

Philippe Mathieu-Daudé July 12, 2024, 4:27 p.m. UTC 
From: Cédric Le Goater <clg@kaod.org>

The number of blocks is defined in the lower bits [15:0].

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Tested-by: Andrew Jeffery <andrew@codeconstruct.com.au>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Cédric Le Goater <clg@redhat.com>
---
 hw/sd/sd.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index ab502d19b8..09077f0154 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1533,6 +1533,9 @@  static sd_rsp_type_t sd_cmd_SET_BLOCK_COUNT(SDState *sd, SDRequest req)
     }
 
     sd->multi_blk_cnt = req.arg;
+    if (sd_is_emmc(sd)) {
+        sd->multi_blk_cnt &= 0xffff;
+    }
     trace_sdcard_set_block_count(sd->multi_blk_cnt);
 
     return sd_r1;