MMC panic detail

jlbiasini.diff

diff --git a/firmware/target/arm/imx233/mmc-imx233.c b/firmware/target/arm/imx233/mmc-imx233.c
index 8782e8e..7edfc21 100644
--- a/firmware/target/arm/imx233/mmc-imx233.c
+++ b/firmware/target/arm/imx233/mmc-imx233.c
@@ -230,6 +230,8 @@ static int transfer_sectors(IF_MD2(int drive,) unsigned long start, int count, v
                 ret = imx233_ssp_sd_mmc_transfer(MMC_SSP, read ? 18 : 25, start,
                     SSP_SHORT_RESP, buf, this_count, false, read, &resp);
         }
+        if(ret != 0)
+            panicf("resp: %x", resp);
         count -= this_count;
         start += this_count;
         buf += this_count * 512;