Unverified Commit d881ee5a authored by Mark Brown's avatar Mark Brown
Browse files

regmap: Provide test for regcache_reg_present() 



Provide a KUnit test for the newly added API.

Reviewed-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230717-regmap-cache-check-v1-2-73ef688afae3@kernel.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 78908f45

drivers/base/regmap/regmap-kunit.c

+40 −0
Original line number Diff line number Diff line
@@ -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),