This patch set up a cmdline option for omap dma for masking the

[linux-2.6-omap-h63xx.git] / drivers / mtd / ubi / vmt.c

diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index 22e1d7398fce36b83166940f085fae37126a3d18..df5483562b7a71d9d3e6c36238edb55a2107df66 100644 (file)
--- 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;