diff options
-rw-r--r-- | drivers/mtd/nand/nand_timings.c | 11 | ||||
-rw-r--r-- | include/linux/mtd/nand.h | 2 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand_timings.c b/drivers/mtd/nand/nand_timings.c index 7441d68b78d5..13a587407be3 100644 --- a/drivers/mtd/nand/nand_timings.c +++ b/drivers/mtd/nand/nand_timings.c @@ -298,3 +298,14 @@ int onfi_init_data_interface(struct nand_chip *chip, return 0; } EXPORT_SYMBOL(onfi_init_data_interface); + +/** + * nand_get_default_data_interface - [NAND Interface] Retrieve NAND + * data interface for mode 0. This is used as default timing after + * reset. + */ +const struct nand_data_interface *nand_get_default_data_interface(void) +{ + return &onfi_sdr_timings[0]; +} +EXPORT_SYMBOL(nand_get_default_data_interface); diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 1f34c04fe16c..0c9412c2d80b 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -1154,6 +1154,8 @@ static inline int jedec_feature(struct nand_chip *chip) /* get timing characteristics from ONFI timing mode. */ const struct nand_sdr_timings *onfi_async_timing_mode_to_sdr_timings(int mode); +/* get data interface from ONFI timing mode 0, used after reset. */ +const struct nand_data_interface *nand_get_default_data_interface(void); int nand_check_erased_ecc_chunk(void *data, int datalen, void *ecc, int ecclen, |