diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-13 09:56:26 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-13 09:56:26 -0700 |
commit | 36ec9fbfe772ba8309ccd724bb7dd26c0923b6f7 (patch) | |
tree | 94b97afa649a13650136cd38d366f1a33baaa095 /drivers/mtd/nand/nandsim.c | |
parent | 7801dc33bec3ad33f0de2c4138eeb6f785ada8dc (diff) | |
parent | 596fd46268634082314b3af1ded4612e1b7f3f03 (diff) |
Merge tag 'for-linus-20120712' of git://git.infradead.org/linux-mtd
Pull late MTD fixes from David Woodhouse:
- fix 'sparse warning fix' regression which totally breaks MXC NAND
- fix GPMI NAND regression when used with UBI
- update/correct sysfs documentation for new 'bitflip_threshold' field
- fix nandsim build failure
* tag 'for-linus-20120712' of git://git.infradead.org/linux-mtd:
mtd: nandsim: don't open code a do_div helper
mtd: ABI documentation: clarification of bitflip_threshold
mtd: gpmi-nand: fix read page when reading to vmalloced area
mtd: mxc_nand: use 32bit copy functions
Diffstat (limited to 'drivers/mtd/nand/nandsim.c')
-rw-r--r-- | drivers/mtd/nand/nandsim.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 6cc8fbfabb8..cf0cd314681 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -28,7 +28,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/vmalloc.h> -#include <asm/div64.h> +#include <linux/math64.h> #include <linux/slab.h> #include <linux/errno.h> #include <linux/string.h> @@ -546,12 +546,6 @@ static char *get_partition_name(int i) return kstrdup(buf, GFP_KERNEL); } -static uint64_t divide(uint64_t n, uint32_t d) -{ - do_div(n, d); - return n; -} - /* * Initialize the nandsim structure. * @@ -580,7 +574,7 @@ static int init_nandsim(struct mtd_info *mtd) ns->geom.oobsz = mtd->oobsize; ns->geom.secsz = mtd->erasesize; ns->geom.pgszoob = ns->geom.pgsz + ns->geom.oobsz; - ns->geom.pgnum = divide(ns->geom.totsz, ns->geom.pgsz); + ns->geom.pgnum = div_u64(ns->geom.totsz, ns->geom.pgsz); ns->geom.totszoob = ns->geom.totsz + (uint64_t)ns->geom.pgnum * ns->geom.oobsz; ns->geom.secshift = ffs(ns->geom.secsz) - 1; ns->geom.pgshift = chip->page_shift; @@ -921,7 +915,7 @@ static int setup_wear_reporting(struct mtd_info *mtd) if (!rptwear) return 0; - wear_eb_count = divide(mtd->size, mtd->erasesize); + wear_eb_count = div_u64(mtd->size, mtd->erasesize); mem = wear_eb_count * sizeof(unsigned long); if (mem / sizeof(unsigned long) != wear_eb_count) { NS_ERR("Too many erase blocks for wear reporting\n"); |