diff options
Diffstat (limited to 'drivers/mtd/nand/nandsim.c')
| -rw-r--r-- | drivers/mtd/nand/nandsim.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 357e8c5..1f2b880 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> @@ -547,12 +547,6 @@ 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. * @@ -581,7 +575,7 @@ 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; @@ -924,7 +918,7 @@ 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"); @@ -2361,6 +2355,7 @@ static int __init ns_init_module(void) uint64_t new_size = (uint64_t)nsmtd->erasesize << overridesize; if (new_size >> overridesize != nsmtd->erasesize) { NS_ERR("overridesize is too big\n"); + retval = -EINVAL; goto err_exit; } /* N.B. This relies on nand_scan not doing anything with the size before we change it */ |