mtd: nand: Add max_bb_per_die and blocks_per_die fields to nand_chip
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Sun Feb 12 18:59:02 PST 2017
Gitweb: http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=ceb374eb06848212e47fb884964a3ae5e79615b5
Commit: ceb374eb06848212e47fb884964a3ae5e79615b5
Parent: e70dda0868fad0f74c46df21f7f45fec24f29879
Author: Zach Brown <zach.brown at ni.com>
AuthorDate: Tue Jan 10 13:30:19 2017 -0600
Committer: Brian Norris <computersforpeace at gmail.com>
CommitDate: Wed Feb 8 14:19:42 2017 -0800
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 at ni.com>
Acked-by: Boris Brezillon <boris.brezillon at free-electron.com>
Acked-by: Brian Norris <computersforpeace at gmail.com>
Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
include/linux/mtd/nand.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index c5f3a01..4e1b441 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;
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