diff options
Diffstat (limited to 'include/linux/mtd/nand.h')
-rw-r--r-- | include/linux/mtd/nand.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 0546565..991bd8e 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -719,4 +719,23 @@ static inline int onfi_get_sync_timing_mode(struct nand_chip *chip) } #endif +/** + * Check if the opcode's address should be sent only on the lower 8 bits + * @command: opcode to check + */ +static inline int nand_opcode_8bits(unsigned int command) +{ + switch (command) { + case NAND_CMD_READID: + case NAND_CMD_PARAM: + case NAND_CMD_GET_FEATURES: + case NAND_CMD_SET_FEATURES: + return 1; + default: + break; + } + return 0; +} + + #endif /* __LINUX_MTD_NAND_H */ |