Commit 53552d22 authored by Artem Bityutskiy's avatar Artem Bityutskiy Committed by David Woodhouse
Browse files

mtd: introduce a macro for max NAND ID sequence length

Introduce a helpful macro for the maximum NAND ID sequence length instead of
using the "8" magic number.
Signed-off-by: default avatarArtem Bityutskiy <>
Acked-by: default avatarHuang Shijie <>
Signed-off-by: default avatarDavid Woodhouse <>
parent ecb42fea
......@@ -546,6 +546,9 @@ struct nand_chip {
#define NAND_MFR_MACRONIX 0xc2
#define NAND_MFR_EON 0x92
/* The maximum expected count of bytes in the NAND ID sequence */
#define NAND_MAX_ID_LEN 8
* A helper for defining older NAND chips where the second ID byte fully
* defined the chip, including the geometry (chip size, eraseblock size, page
......@@ -593,7 +596,7 @@ struct nand_flash_dev {
uint8_t mfr_id;
uint8_t dev_id;
uint8_t id[8];
uint8_t id[NAND_MAX_ID_LEN];
unsigned int pagesize;
unsigned int chipsize;
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