Message ID | 1398938214-17847-18-git-send-email-lee.jones@linaro.org |
---|---|
State | New |
Headers | show |
diff --git a/drivers/mtd/nand/stm_nand_bch.c b/drivers/mtd/nand/stm_nand_bch.c index a1c25d0..8302273 100644 --- a/drivers/mtd/nand/stm_nand_bch.c +++ b/drivers/mtd/nand/stm_nand_bch.c @@ -930,6 +930,15 @@ static int stm_nand_bch_probe(struct platform_device *pdev) return -EINVAL; } + /* Derive some working variables */ + nandi->sectors_per_page = mtd->writesize / NANDI_BCH_SECTOR_SIZE; + nandi->blocks_per_device = mtd->size >> chip->phys_erase_shift; + nandi->page_shift = chip->page_shift; + nandi->block_shift = chip->phys_erase_shift; + nandi->extra_addr = ((chip->chipsize >> nandi->page_shift) > + 0x10000) ? true : false; + mtd->writebufsize = mtd->writesize; + return 0; }
A few of the working variables can either be taken or derived from existing knowledge about the connected chip. Rather than attempt to provide each specification manually, here we make assumptions based on information already obtained. Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/mtd/nand/stm_nand_bch.c | 9 +++++++++ 1 file changed, 9 insertions(+)