diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 66214e86d3..8d004d383b 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -409,6 +409,30 @@ static int onenand_write_bufferram(struct mtd_info *mtd, loff_t addr, int area, } /** + * onenand_get_2x_blockpage - [GENERIC] Get blockpage at 2x program mode + * @param mtd MTD data structure + * @param addr address to check + * @return blockpage address + * + * Get blockpage address at 2x program mode + */ +static int onenand_get_2x_blockpage(struct mtd_info *mtd, loff_t addr) +{ + struct onenand_chip *this = mtd->priv; + int blockpage, block, page; + + /* Calculate the even block number */ + block = (int) (addr >> this->erase_shift) & ~1; + /* Is it the odd plane? */ + if (addr & this->writesize) + block++; + page = (int) (addr >> (this->page_shift + 1)) & this->page_mask; + blockpage = (block << 7) | page; + + return blockpage; +} + +/** * onenand_check_bufferram - [GENERIC] Check BufferRAM information * @param mtd MTD data structure * @param addr address to check @@ -1666,6 +1690,7 @@ static int onenand_do_lock_cmd(struct mtd_info *mtd, loff_t ofs, size_t len, int return 0; } +#ifdef ONENAND_LINUX /** * onenand_lock - [MTD Interface] Lock block(s) * @param mtd MTD device structure @@ -1701,6 +1726,7 @@ static int onenand_unlock(struct mtd_info *mtd, loff_t ofs, size_t len) onenand_release_device(mtd); return ret; } +#endif /** * onenand_check_lock_status - [OneNAND Interface] Check lock status |