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authorZach Brown <zach.brown@ni.com>2017-01-10 13:30:19 -0600
committerBrian Norris <computersforpeace@gmail.com>2017-02-08 14:19:42 -0800
commitceb374eb06848212e47fb884964a3ae5e79615b5 (patch)
treed3778ca1818c0ddadc4a5f37bdafa90f525e6b46 /include/linux/mtd/nand.h
parentmtd: ichxrom: maybe-uninitialized with gcc-4.9 (diff)
downloadlinux-dev-ceb374eb06848212e47fb884964a3ae5e79615b5.tar.xz
linux-dev-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>
Diffstat (limited to 'include/linux/mtd/nand.h')
-rw-r--r--include/linux/mtd/nand.h5
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;