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authorDavid S. Miller <davem@davemloft.net>2009-02-03 08:55:27 +0100
committerDavid S. Miller <davem@davemloft.net>2009-02-03 08:55:27 +0100
commitfb53fde9762432d091dac209bdf4f3f850117c55 (patch)
tree607b09022b206a539cb4a924e4ef476443798252 /drivers/mtd/ubi/gluebi.c
parentdca: redesign locks to fix deadlocks (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jba... (diff)
downloadlinux-fb53fde9762432d091dac209bdf4f3f850117c55.tar.xz
linux-fb53fde9762432d091dac209bdf4f3f850117c55.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/mtd/ubi/gluebi.c')
-rw-r--r--drivers/mtd/ubi/gluebi.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c
index 6dd4f5e77f82..49cd55ade9c8 100644
--- a/drivers/mtd/ubi/gluebi.c
+++ b/drivers/mtd/ubi/gluebi.c
@@ -28,7 +28,7 @@
* eraseblock size is equivalent to the logical eraseblock size of the volume.
*/
-#include <asm/div64.h>
+#include <linux/math64.h>
#include "ubi.h"
/**
@@ -109,7 +109,6 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len,
int err = 0, lnum, offs, total_read;
struct ubi_volume *vol;
struct ubi_device *ubi;
- uint64_t tmp = from;
dbg_gen("read %zd bytes from offset %lld", len, from);
@@ -119,9 +118,7 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len,
vol = container_of(mtd, struct ubi_volume, gluebi_mtd);
ubi = vol->ubi;
- offs = do_div(tmp, mtd->erasesize);
- lnum = tmp;
-
+ lnum = div_u64_rem(from, mtd->erasesize, &offs);
total_read = len;
while (total_read) {
size_t to_read = mtd->erasesize - offs;
@@ -160,7 +157,6 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len,
int err = 0, lnum, offs, total_written;
struct ubi_volume *vol;
struct ubi_device *ubi;
- uint64_t tmp = to;
dbg_gen("write %zd bytes to offset %lld", len, to);
@@ -173,8 +169,7 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len,
if (ubi->ro_mode)
return -EROFS;
- offs = do_div(tmp, mtd->erasesize);
- lnum = tmp;
+ lnum = div_u64_rem(to, mtd->erasesize, &offs);
if (len % mtd->writesize || offs % mtd->writesize)
return -EINVAL;