[PATCH 4/5] mmc: mmc-test: add eMMC hardware reset test

Adrian Hunter
2011-08-29T13:42:29Z

MMC core provides a checking function that checks if the reset
has happended. Add a test to use that function.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
drivers/mmc/card/mmc_test.c | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index 2bf229a..9cdce63 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -2328,6 +2328,31 @@ static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test)
return mmc_test_rw_multiple_sg_len(test, &test_data);
}

+/*
+ * eMMC hardware reset.
+ */
+static int mmc_test_hw_reset(struct mmc_test_card *test)
+{
+ struct mmc_card *card = test->card;
+ struct mmc_host *host = card->host;
+ int err;
+
+ err = mmc_hw_reset_check(host);
+ if (!err)
+ return RESULT_OK;
+
+ if (err == -ENOSYS)
+ return RESULT_FAIL;
+
+ if (err != -EOPNOTSUPP)
+ return err;
+
+ if (!mmc_can_reset(card))
+ return RESULT_UNSUP_CARD;
+
+ return RESULT_UNSUP_HOST;
+}
+
static const struct mmc_test_case mmc_test_cases[] = {
{
.name = "Basic write (no data verification)",
@@ -2650,6 +2675,11 @@ static const struct mmc_test_case mmc_test_cases[] = {
.run = mmc_test_profile_sglen_r_nonblock_perf,
.cleanup = mmc_test_area_cleanup,
},
+
+ {
+ .name = "eMMC hardware reset",
+ .run = mmc_test_hw_reset,
+ },
};

static DEFINE_MUTEX(mmc_test_lock);
--
1.7.6