diff options
| -rw-r--r-- | include/linux/mtd/nand.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 83f678702dff..81774e5facf4 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h | |||
| @@ -177,7 +177,9 @@ typedef enum { | |||
| 177 | #define NAND_MUST_PAD(chip) (!(chip->options & NAND_NO_PADDING)) | 177 | #define NAND_MUST_PAD(chip) (!(chip->options & NAND_NO_PADDING)) |
| 178 | #define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG)) | 178 | #define NAND_HAS_CACHEPROG(chip) ((chip->options & NAND_CACHEPRG)) |
| 179 | #define NAND_HAS_COPYBACK(chip) ((chip->options & NAND_COPYBACK)) | 179 | #define NAND_HAS_COPYBACK(chip) ((chip->options & NAND_COPYBACK)) |
| 180 | #define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT)) | 180 | /* Large page NAND with SOFT_ECC should support subpage reads */ |
| 181 | #define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT) \ | ||
| 182 | && (chip->page_shift > 9)) | ||
| 181 | 183 | ||
| 182 | /* Mask to zero out the chip options, which come from the id table */ | 184 | /* Mask to zero out the chip options, which come from the id table */ |
| 183 | #define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR) | 185 | #define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR) |