diff options
| author | Huang Shijie <b32955@freescale.com> | 2013-09-25 14:58:10 +0800 |
|---|---|---|
| committer | Huang Shijie <b32955@freescale.com> | 2013-11-05 09:17:26 +0800 |
| commit | 19e1316ff9dca5e077435458a259d630e288e12c (patch) | |
| tree | d0bffc35eb76b57e2ae161f833781b2a9fcad339 /include | |
| parent | a73e9fadd91fc0b5cf544f28b4b096f4def63383 (diff) | |
mtd: nand: add a helper to check the SLC/MLC nand chip
Add a helper to check if a nand chip is SLC or MLC.
This helper makes the code more readable.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mtd/nand.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index a8d6623f18f7..afaf63d95f29 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -727,4 +727,13 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip) return le16_to_cpu(chip->onfi_params.src_sync_timing_mode); } +/* + * Check if it is a SLC nand. + * The !nand_is_slc() can be used to check the MLC/TLC nand chips. + * We do not distinguish the MLC and TLC now. + */ +static inline bool nand_is_slc(struct nand_chip *chip) +{ + return !(chip->cellinfo & NAND_CI_CELLTYPE_MSK); +} #endif /* __LINUX_MTD_NAND_H */ |