1 files changed, 19 insertions, 0 deletions
diff --git a/test/dm/mmc.c b/test/dm/mmc.c
index 046142322d..5bca4b79d5 100644
--- a/test/dm/mmc.c
+++ b/test/dm/mmc.c
@@ -25,3 +25,22 @@ static int dm_test_mmc_base(struct unit_test_state *uts)
 	return 0;
 }
 DM_TEST(dm_test_mmc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int dm_test_mmc_blk(struct unit_test_state *uts)
+{
+	struct udevice *dev;
+	struct blk_desc *dev_desc;
+	char cmp[1024];
+
+	ut_assertok(uclass_get_device(UCLASS_MMC, 0, &dev));
+	ut_assertok(blk_get_device_by_str("mmc", "0", &dev_desc));
+
+	/* Read a few blocks and look for the string we expect */
+	ut_asserteq(512, dev_desc->blksz);
+	memset(cmp, '\0', sizeof(cmp));
+	ut_asserteq(2, blk_dread(dev_desc, 0, 2, cmp));
+	ut_assertok(strcmp(cmp, "this is a test"));
+
+	return 0;
+}
+DM_TEST(dm_test_mmc_blk, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);