diff options
| author | Julia Lawall <julia@diku.dk> | 2008-08-02 19:14:21 +0400 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-08-02 21:45:18 +0400 |
| commit | c8872b069c536976b81bccfc95dda945594bc504 (patch) | |
| tree | ff131bea50915d6ba95638a51a309af39e32cb84 | |
| parent | c4308d1076830a72e05eb3e5f58b9ed851229399 (diff) | |
| download | linux-c8872b069c536976b81bccfc95dda945594bc504.tar.xz | |
[MTD] Use DIV_ROUND_UP
The kernel.h macro DIV_ROUND_UP performs the computation (((n) + (d) - 1) /
(d)) but is perhaps more readable.
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
| -rw-r--r-- | drivers/mtd/chips/cfi_cmdset_0001.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/chips/gen_probe.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/ssfdc.c | 3 |
3 files changed, 3 insertions, 4 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index 5f1b472137a0..d49cbe2738a8 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -1640,7 +1640,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip, /* Figure out the number of words to write */ word_gap = (-adr & (map_bankwidth(map)-1)); - words = (len - word_gap + map_bankwidth(map) - 1) / map_bankwidth(map); + words = DIV_ROUND_UP(len - word_gap, map_bankwidth(map)); if (!word_gap) { words--; } else { diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c index f061885b2812..e2dc96441e05 100644 --- a/drivers/mtd/chips/gen_probe.c +++ b/drivers/mtd/chips/gen_probe.c @@ -111,7 +111,7 @@ static struct cfi_private *genprobe_ident_chips(struct map_info *map, struct chi max_chips = 1; } - mapsize = sizeof(long) * ( (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG ); + mapsize = sizeof(long) * DIV_ROUND_UP(max_chips, BITS_PER_LONG); chip_map = kzalloc(mapsize, GFP_KERNEL); if (!chip_map) { printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name); diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c index a5f3d60047d4..33a5d6ed6f18 100644 --- a/drivers/mtd/ssfdc.c +++ b/drivers/mtd/ssfdc.c @@ -321,8 +321,7 @@ static void ssfdcr_add_mtd(struct mtd_blktrans_ops *tr, struct mtd_info *mtd) DEBUG(MTD_DEBUG_LEVEL1, "SSFDC_RO: cis_block=%d,erase_size=%d,map_len=%d,n_zones=%d\n", ssfdc->cis_block, ssfdc->erase_size, ssfdc->map_len, - (ssfdc->map_len + MAX_PHYS_BLK_PER_ZONE - 1) / - MAX_PHYS_BLK_PER_ZONE); + DIV_ROUND_UP(ssfdc->map_len, MAX_PHYS_BLK_PER_ZONE)); /* Set geometry */ ssfdc->heads = 16; |