[PATCH 4/5] mmc: mmc-test: add eMMC hardware reset test
From: Adrian Hunter <adrian.hunter@intel.com>
Date: 2011-08-29 13:42:29
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Ulf Hansson, Linus Torvalds
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