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author | Zach Brown <zach.brown@ni.com> | 2017-01-10 13:30:19 -0600 |
---|---|---|
committer | Brian Norris <computersforpeace@gmail.com> | 2017-02-08 14:19:42 -0800 |
commit | ceb374eb06848212e47fb884964a3ae5e79615b5 (patch) | |
tree | d3778ca1818c0ddadc4a5f37bdafa90f525e6b46 | |
parent | e70dda0868fad0f74c46df21f7f45fec24f29879 (diff) | |
download | linux-exynos-ceb374eb06848212e47fb884964a3ae5e79615b5.tar.gz linux-exynos-ceb374eb06848212e47fb884964a3ae5e79615b5.tar.bz2 linux-exynos-ceb374eb06848212e47fb884964a3ae5e79615b5.zip |
mtd: nand: Add max_bb_per_die and blocks_per_die fields to nand_chip
The fields max_bb_per_die and blocks_per_die are useful determining the
number of bad blocks a MTD needs to allocate. How they are set will
depend on if the chip is ONFI, JEDEC or a full-id entry in the nand_ids
table.
Signed-off-by: Zach Brown <zach.brown@ni.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electron.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
-rw-r--r-- | include/linux/mtd/nand.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index c5f3a012ae62..4e1b441c3a7e 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -801,6 +801,9 @@ nand_get_sdr_timings(const struct nand_data_interface *conf) * supported, 0 otherwise. * @jedec_params: [INTERN] holds the JEDEC parameter page when JEDEC is * supported, 0 otherwise. + * @max_bb_per_die: [INTERN] the max number of bad blocks each die of a + * this nand device will encounter their life times. + * @blocks_per_die: [INTERN] The number of PEBs in a die * @read_retries: [INTERN] the number of read retry modes supported * @onfi_set_features: [REPLACEABLE] set the features for ONFI nand * @onfi_get_features: [REPLACEABLE] get the features for ONFI nand @@ -883,6 +886,8 @@ struct nand_chip { struct nand_onfi_params onfi_params; struct nand_jedec_params jedec_params; }; + u16 max_bb_per_die; + u32 blocks_per_die; struct nand_data_interface *data_interface; |