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| author | Mark Brown <broonie@kernel.org> | 2023-07-17 22:33:04 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-18 16:05:11 +0200 |
| commit | d881ee5a872fd539a8c693e4c8656b9343c9aae0 (patch) | |
| tree | 82061c46e4d991ad30a2a178df13f02fb8852994 /drivers/base/regmap/regmap-kunit.c | |
| parent | regmap: Let users check if a register is cached (diff) | |
| download | linux-d881ee5a872fd539a8c693e4c8656b9343c9aae0.tar.xz linux-d881ee5a872fd539a8c693e4c8656b9343c9aae0.zip | |
regmap: Provide test for regcache_reg_present()
Provide a KUnit test for the newly added API.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230717-regmap-cache-check-v1-2-73ef688afae3@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/base/regmap/regmap-kunit.c')
| -rw-r--r-- | drivers/base/regmap/regmap-kunit.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/base/regmap/regmap-kunit.c b/drivers/base/regmap/regmap-kunit.c index 24257aa9004d..8dd96a55d976 100644 --- a/drivers/base/regmap/regmap-kunit.c +++ b/drivers/base/regmap/regmap-kunit.c @@ -833,6 +833,45 @@ static void cache_drop(struct kunit *test) regmap_exit(map); } +static void cache_present(struct kunit *test) +{ + struct regcache_types *t = (struct regcache_types *)test->param_value; + struct regmap *map; + struct regmap_config config; + struct regmap_ram_data *data; + unsigned int val; + int i; + + config = test_regmap_config; + config.cache_type = t->type; + + map = gen_regmap(&config, &data); + KUNIT_ASSERT_FALSE(test, IS_ERR(map)); + if (IS_ERR(map)) + return; + + for (i = 0; i < BLOCK_TEST_SIZE; i++) + data->read[i] = false; + + /* No defaults so no registers cached. */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_ASSERT_FALSE(test, regcache_reg_cached(map, i)); + + /* We didn't trigger any reads */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_ASSERT_FALSE(test, data->read[i]); + + /* Fill the cache */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_EXPECT_EQ(test, 0, regmap_read(map, i, &val)); + + /* Now everything should be cached */ + for (i = 0; i < BLOCK_TEST_SIZE; i++) + KUNIT_ASSERT_TRUE(test, regcache_reg_cached(map, i)); + + regmap_exit(map); +} + struct raw_test_types { const char *name; @@ -1172,6 +1211,7 @@ static struct kunit_case regmap_test_cases[] = { KUNIT_CASE_PARAM(cache_sync_readonly, real_cache_types_gen_params), KUNIT_CASE_PARAM(cache_sync_patch, real_cache_types_gen_params), KUNIT_CASE_PARAM(cache_drop, sparse_cache_types_gen_params), + KUNIT_CASE_PARAM(cache_present, sparse_cache_types_gen_params), KUNIT_CASE_PARAM(raw_read_defaults_single, raw_test_types_gen_params), KUNIT_CASE_PARAM(raw_read_defaults, raw_test_types_gen_params), |