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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2013-03-14 09:57:23 +0200 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2013-04-05 13:15:06 +0100 |
| commit | 53552d22bfe1f83f69f18eddae2f1d96249440f3 (patch) | |
| tree | cd4b25840a84c70d2287d195183b7361733cddd3 /include | |
| parent | ecb42fea59cf2d1e7160c5c7e707120e0e6714db (diff) | |
| download | linux-53552d22bfe1f83f69f18eddae2f1d96249440f3.tar.gz linux-53552d22bfe1f83f69f18eddae2f1d96249440f3.tar.bz2 linux-53552d22bfe1f83f69f18eddae2f1d96249440f3.zip | |
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: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Acked-by: Huang Shijie <shijie8@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mtd/nand.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index d5903c0a0fe7..0f78d19303c5 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -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; |