summaryrefslogtreecommitdiff
path: root/drivers/base
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2023-07-17 23:33:04 +0300
committerMark Brown <broonie@kernel.org>2023-07-18 17:05:11 +0300
commitd881ee5a872fd539a8c693e4c8656b9343c9aae0 (patch)
tree82061c46e4d991ad30a2a178df13f02fb8852994 /drivers/base
parent78908f45ccf1dc2f4d5fb395c460fdbbf7e9ac3a (diff)
downloadlinux-d881ee5a872fd539a8c693e4c8656b9343c9aae0.tar.xz
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')
-rw-r--r--drivers/base/regmap/regmap-kunit.c40
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),