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authorJulia Lawall <julia@diku.dk>2008-08-02 11:14:21 -0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-08-02 13:45:18 -0400
commitc8872b069c536976b81bccfc95dda945594bc504 (patch)
treeff131bea50915d6ba95638a51a309af39e32cb84 /drivers/mtd/chips
parentc4308d1076830a72e05eb3e5f58b9ed851229399 (diff)
[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>
Diffstat (limited to 'drivers/mtd/chips')
-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c2
-rw-r--r--drivers/mtd/chips/gen_probe.c2
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,
1640 1640
1641 /* Figure out the number of words to write */ 1641 /* Figure out the number of words to write */
1642 word_gap = (-adr & (map_bankwidth(map)-1)); 1642 word_gap = (-adr & (map_bankwidth(map)-1));
1643 words = (len - word_gap + map_bankwidth(map) - 1) / map_bankwidth(map); 1643 words = DIV_ROUND_UP(len - word_gap, map_bankwidth(map));
1644 if (!word_gap) { 1644 if (!word_gap) {
1645 words--; 1645 words--;
1646 } else { 1646 } 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
111 max_chips = 1; 111 max_chips = 1;
112 } 112 }
113 113
114 mapsize = sizeof(long) * ( (max_chips + BITS_PER_LONG-1) / BITS_PER_LONG ); 114 mapsize = sizeof(long) * DIV_ROUND_UP(max_chips, BITS_PER_LONG);
115 chip_map = kzalloc(mapsize, GFP_KERNEL); 115 chip_map = kzalloc(mapsize, GFP_KERNEL);
116 if (!chip_map) { 116 if (!chip_map) {
117 printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name); 117 printk(KERN_WARNING "%s: kmalloc failed for CFI chip map\n", map->name);