diff options
Diffstat (limited to 'drivers/mtd/tests')
| -rw-r--r-- | drivers/mtd/tests/mtd_nandecctest.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mtd/tests/mtd_nandecctest.c b/drivers/mtd/tests/mtd_nandecctest.c index 204f796ed3e..ff97b107023 100644 --- a/drivers/mtd/tests/mtd_nandecctest.c +++ b/drivers/mtd/tests/mtd_nandecctest.c @@ -48,6 +48,27 @@ static void single_bit_error_data(void *error_data, void *correct_data, __change_bit_le(offset, error_data); } +static void no_bit_error(void *error_data, void *error_ecc, + void *correct_data, void *correct_ecc, const size_t size) +{ + memcpy(error_data, correct_data, size); + memcpy(error_ecc, correct_ecc, 3); +} + +static int no_bit_error_verify(void *error_data, void *error_ecc, + void *correct_data, const size_t size) +{ + unsigned char calc_ecc[3]; + int ret; + + __nand_calculate_ecc(error_data, size, calc_ecc); + ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size); + if (ret == 0 && !memcmp(correct_data, error_data, size)) + return 0; + + return -EINVAL; +} + static void single_bit_error_in_data(void *error_data, void *error_ecc, void *correct_data, void *correct_ecc, const size_t size) { @@ -71,6 +92,11 @@ static int single_bit_error_correct(void *error_data, void *error_ecc, static const struct nand_ecc_test nand_ecc_test[] = { { + .name = "no-bit-error", + .prepare = no_bit_error, + .verify = no_bit_error_verify, + }, + { .name = "single-bit-error-in-data-correct", .prepare = single_bit_error_in_data, .verify = single_bit_error_correct, |