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mtd: nand: Store nand ID in struct nand_chip

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Store the NAND ID in struct nand_chip to avoid passing id_data and id_len
as function parameters.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
Boris Brezillon 2016-05-24 19:20:05 +02:00
parent cbe435a182
commit 7f501f0a72
2 changed files with 43 additions and 25 deletions
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13
include/linux/mtd/nand.h
View file

@ -464,6 +464,17 @@ struct nand_jedec_params {
__le16 crc;
} __packed;
/**
* struct nand_id - NAND id structure
* @data: buffer containing the id bytes. Currently 8 bytes large, but can
* be extended if required.
* @len: ID length.
*/
struct nand_id {
u8 data[8];
int len;
};
/**
* struct nand_hw_control - Control structure for hardware controller (e.g ECC generator) shared among independent devices
* @lock: protection lock
@ -793,6 +804,7 @@ nand_get_sdr_timings(const struct nand_data_interface *conf)
* @pagebuf_bitflips: [INTERN] holds the bitflip count for the page which is
* currently in data_buf.
* @subpagesize: [INTERN] holds the subpagesize
* @id: [INTERN] holds NAND ID
* @onfi_version: [INTERN] holds the chip ONFI version (BCD encoded),
* non 0 if ONFI supported.
* @jedec_version: [INTERN] holds the chip JEDEC version (BCD encoded),
@ -881,6 +893,7 @@ struct nand_chip {
int badblockpos;
int badblockbits;
struct nand_id id;
int onfi_version;
int jedec_version;
union {