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Commit c8872b06 authored by Julia Lawall's avatar Julia Lawall Committed by David Woodhouse
Browse files

[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: default avatarJulia Lawall <julia@diku.dk>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent c4308d10

drivers/mtd/chips/cfi_cmdset_0001.c

+1 −1
Original line number Diff line number Diff line
@@ -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 {

drivers/mtd/chips/gen_probe.c

+1 −1
Original line number Diff line number Diff line
@@ -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);

drivers/mtd/ssfdc.c

+1 −2
Original line number Diff line number Diff line
@@ -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;