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Commit ceb374eb authored by Zach Brown's avatar Zach Brown Committed by Brian Norris
Browse files

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: default avatarZach Brown <zach.brown@ni.com>
Acked-by: default avatarBoris Brezillon <boris.brezillon@free-electron.com>
Acked-by: default avatarBrian Norris <computersforpeace@gmail.com>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent e70dda08

include/linux/mtd/nand.h

+5 −0
Original line number Diff line number Diff line
@@ -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;