diff options
Diffstat (limited to 'drivers/mtd/ubi/vmt.c')
| -rw-r--r-- | drivers/mtd/ubi/vmt.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c index 3531ca9a1e24..df5483562b7a 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -24,7 +24,7 @@ */ #include <linux/err.h> -#include <asm/div64.h> +#include <linux/math64.h> #include "ubi.h" #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID @@ -205,7 +205,6 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) int i, err, vol_id = req->vol_id, do_free = 1; struct ubi_volume *vol; struct ubi_vtbl_record vtbl_rec; - uint64_t bytes; dev_t dev; if (ubi->ro_mode) @@ -255,10 +254,8 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) /* Calculate how many eraseblocks are requested */ vol->usable_leb_size = ubi->leb_size - ubi->leb_size % req->alignment; - bytes = req->bytes; - if (do_div(bytes, vol->usable_leb_size)) - vol->reserved_pebs = 1; - vol->reserved_pebs += bytes; + vol->reserved_pebs += div_u64(req->bytes + vol->usable_leb_size - 1, + vol->usable_leb_size); /* Reserve physical eraseblocks */ if (vol->reserved_pebs > ubi->avail_pebs) { @@ -301,10 +298,10 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) vol->used_bytes = (long long)vol->used_ebs * vol->usable_leb_size; } else { - bytes = vol->used_bytes; - vol->last_eb_bytes = do_div(bytes, vol->usable_leb_size); - vol->used_ebs = bytes; - if (vol->last_eb_bytes) + vol->used_ebs = div_u64_rem(vol->used_bytes, + vol->usable_leb_size, + &vol->last_eb_bytes); + if (vol->last_eb_bytes != 0) vol->used_ebs += 1; else vol->last_eb_bytes = vol->usable_leb_size; @@ -329,7 +326,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) vol->dev.devt = dev; vol->dev.class = ubi_class; - sprintf(&vol->dev.bus_id[0], "%s_%d", ubi->ubi_name, vol->vol_id); + dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); err = device_register(&vol->dev); if (err) { ubi_err("cannot register device"); @@ -678,7 +675,7 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) vol->dev.parent = &ubi->dev; vol->dev.devt = dev; vol->dev.class = ubi_class; - sprintf(&vol->dev.bus_id[0], "%s_%d", ubi->ubi_name, vol->vol_id); + dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); err = device_register(&vol->dev); if (err) goto out_gluebi; |