From 7c0639a3af697d4ae7a5db4d2ecc09eed43cad35 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 20:47:50 +0200 Subject: Merging upstream version 6.7.12. Signed-off-by: Daniel Baumann --- drivers/base/regmap/regmap-kunit.c | 54 +++++++++++++++++++++++++++----------- 1 file changed, 38 insertions(+), 16 deletions(-) (limited to 'drivers/base/regmap') diff --git a/drivers/base/regmap/regmap-kunit.c b/drivers/base/regmap/regmap-kunit.c index e14cc03a1..4c9e38ead 100644 --- a/drivers/base/regmap/regmap-kunit.c +++ b/drivers/base/regmap/regmap-kunit.c @@ -9,6 +9,23 @@ #define BLOCK_TEST_SIZE 12 +static void get_changed_bytes(void *orig, void *new, size_t size) +{ + char *o = orig; + char *n = new; + int i; + + get_random_bytes(new, size); + + /* + * This could be nicer and more efficient but we shouldn't + * super care. + */ + for (i = 0; i < size; i++) + while (n[i] == o[i]) + get_random_bytes(&n[i], 1); +} + static const struct regmap_config test_regmap_config = { .max_register = BLOCK_TEST_SIZE, .reg_stride = 1, @@ -1192,7 +1209,7 @@ static void raw_sync(struct kunit *test) struct regmap *map; struct regmap_config config; struct regmap_ram_data *data; - u16 val[2]; + u16 val[3]; u16 *hw_buf; unsigned int rval; int i; @@ -1206,17 +1223,13 @@ static void raw_sync(struct kunit *test) hw_buf = (u16 *)data->vals; - get_random_bytes(&val, sizeof(val)); + get_changed_bytes(&hw_buf[2], &val[0], sizeof(val)); /* Do a regular write and a raw write in cache only mode */ regcache_cache_only(map, true); - KUNIT_EXPECT_EQ(test, 0, regmap_raw_write(map, 2, val, sizeof(val))); - if (config.val_format_endian == REGMAP_ENDIAN_BIG) - KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 6, - be16_to_cpu(val[0]))); - else - KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 6, - le16_to_cpu(val[0]))); + KUNIT_EXPECT_EQ(test, 0, regmap_raw_write(map, 2, val, + sizeof(u16) * 2)); + KUNIT_EXPECT_EQ(test, 0, regmap_write(map, 4, val[2])); /* We should read back the new values, and defaults for the rest */ for (i = 0; i < config.max_register + 1; i++) { @@ -1225,24 +1238,34 @@ static void raw_sync(struct kunit *test) switch (i) { case 2: case 3: - case 6: if (config.val_format_endian == REGMAP_ENDIAN_BIG) { KUNIT_EXPECT_EQ(test, rval, - be16_to_cpu(val[i % 2])); + be16_to_cpu(val[i - 2])); } else { KUNIT_EXPECT_EQ(test, rval, - le16_to_cpu(val[i % 2])); + le16_to_cpu(val[i - 2])); } break; + case 4: + KUNIT_EXPECT_EQ(test, rval, val[i - 2]); + break; default: KUNIT_EXPECT_EQ(test, config.reg_defaults[i].def, rval); break; } } + + /* + * The value written via _write() was translated by the core, + * translate the original copy for comparison purposes. + */ + if (config.val_format_endian == REGMAP_ENDIAN_BIG) + val[2] = cpu_to_be16(val[2]); + else + val[2] = cpu_to_le16(val[2]); /* The values should not appear in the "hardware" */ - KUNIT_EXPECT_MEMNEQ(test, &hw_buf[2], val, sizeof(val)); - KUNIT_EXPECT_MEMNEQ(test, &hw_buf[6], val, sizeof(u16)); + KUNIT_EXPECT_MEMNEQ(test, &hw_buf[2], &val[0], sizeof(val)); for (i = 0; i < config.max_register + 1; i++) data->written[i] = false; @@ -1253,8 +1276,7 @@ static void raw_sync(struct kunit *test) KUNIT_EXPECT_EQ(test, 0, regcache_sync(map)); /* The values should now appear in the "hardware" */ - KUNIT_EXPECT_MEMEQ(test, &hw_buf[2], val, sizeof(val)); - KUNIT_EXPECT_MEMEQ(test, &hw_buf[6], val, sizeof(u16)); + KUNIT_EXPECT_MEMEQ(test, &hw_buf[2], &val[0], sizeof(val)); regmap_exit(map); } -- cgit v1.2.3