diff options
Diffstat (limited to 'drivers/mmc/core/mmc_test.c')
| -rw-r--r-- | drivers/mmc/core/mmc_test.c | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c index 0f6a563103fd..8f7f587a0025 100644 --- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -1904,7 +1904,7 @@ static unsigned int mmc_test_rnd_num(unsigned int rnd_cnt) } static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, - unsigned long sz) + unsigned long sz, int secs, int force_retuning) { unsigned int dev_addr, cnt, rnd_addr, range1, range2, last_ea = 0, ea; unsigned int ssz; @@ -1921,7 +1921,7 @@ static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, for (cnt = 0; cnt < UINT_MAX; cnt++) { ktime_get_ts64(&ts2); ts = timespec64_sub(ts2, ts1); - if (ts.tv_sec >= 10) + if (ts.tv_sec >= secs) break; ea = mmc_test_rnd_num(range1); if (ea == last_ea) @@ -1929,6 +1929,8 @@ static int mmc_test_rnd_perf(struct mmc_test_card *test, int write, int print, last_ea = ea; dev_addr = rnd_addr + test->card->pref_erase * ea + ssz * mmc_test_rnd_num(range2); + if (force_retuning) + mmc_retune_needed(test->card->host); ret = mmc_test_area_io(test, sz, dev_addr, write, 0, 0); if (ret) return ret; @@ -1953,24 +1955,35 @@ static int mmc_test_random_perf(struct mmc_test_card *test, int write) */ if (write) { next = rnd_next; - ret = mmc_test_rnd_perf(test, write, 0, sz); + ret = mmc_test_rnd_perf(test, write, 0, sz, 10, 0); if (ret) return ret; rnd_next = next; } - ret = mmc_test_rnd_perf(test, write, 1, sz); + ret = mmc_test_rnd_perf(test, write, 1, sz, 10, 0); if (ret) return ret; } sz = t->max_tfr; if (write) { next = rnd_next; - ret = mmc_test_rnd_perf(test, write, 0, sz); + ret = mmc_test_rnd_perf(test, write, 0, sz, 10, 0); if (ret) return ret; rnd_next = next; } - return mmc_test_rnd_perf(test, write, 1, sz); + return mmc_test_rnd_perf(test, write, 1, sz, 10, 0); +} + +static int mmc_test_retuning(struct mmc_test_card *test) +{ + if (!mmc_can_retune(test->card->host)) { + pr_info("%s: No retuning - test skipped\n", + mmc_hostname(test->card->host)); + return RESULT_UNSUP_HOST; + } + + return mmc_test_rnd_perf(test, 0, 0, 8192, 30, 1); } /* @@ -2921,6 +2934,14 @@ static const struct mmc_test_case mmc_test_cases[] = { .run = mmc_test_cmds_during_write_cmd23_nonblock, .cleanup = mmc_test_area_cleanup, }, + + { + .name = "Re-tuning reliability", + .prepare = mmc_test_area_prepare, + .run = mmc_test_retuning, + .cleanup = mmc_test_area_cleanup, + }, + }; static DEFINE_MUTEX(mmc_test_lock); |