[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>

2 files changed, 2 insertions, 2 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);