diff options
| author | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2009-01-22 19:12:32 +0000 |
| commit | dff243f7cb3a2ebbb09093066c1bc4a90ff5b3a4 (patch) | |
| tree | 1c63e7c2f879cd322ca785671b74b4ff796dd24c /drivers/mtd/mtdcore.c | |
| parent | a5e6ced58d423cb09c4fc0087dcfdb0b5deb5e1c (diff) | |
| parent | f3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Diffstat (limited to 'drivers/mtd/mtdcore.c')
| -rw-r--r-- | drivers/mtd/mtdcore.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c index a9d246949820..76fe0a1e7a5e 100644 --- a/drivers/mtd/mtdcore.c +++ b/drivers/mtd/mtdcore.c @@ -57,6 +57,19 @@ int add_mtd_device(struct mtd_info *mtd) mtd->index = i; mtd->usecount = 0; + if (is_power_of_2(mtd->erasesize)) + mtd->erasesize_shift = ffs(mtd->erasesize) - 1; + else + mtd->erasesize_shift = 0; + + if (is_power_of_2(mtd->writesize)) + mtd->writesize_shift = ffs(mtd->writesize) - 1; + else + mtd->writesize_shift = 0; + + mtd->erasesize_mask = (1 << mtd->erasesize_shift) - 1; + mtd->writesize_mask = (1 << mtd->writesize_shift) - 1; + /* Some chips always power up locked. Unlock them now */ if ((mtd->flags & MTD_WRITEABLE) && (mtd->flags & MTD_POWERUP_LOCK) && mtd->unlock) { @@ -344,7 +357,8 @@ static inline int mtd_proc_info (char *buf, int i) if (!this) return 0; - return sprintf(buf, "mtd%d: %8.8x %8.8x \"%s\"\n", i, this->size, + return sprintf(buf, "mtd%d: %8.8llx %8.8x \"%s\"\n", i, + (unsigned long long)this->size, this->erasesize, this->name); } |