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| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-14 16:29:51 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2009-01-14 16:29:51 +1100 |
| commit | cb7a97d01521797cad9f63e8478403c3e51fea49 (patch) | |
| tree | 84cddf20369f82f10c1c3712e6cce20dd1b9d863 /drivers/mtd/mtdcore.c | |
| parent | 0335cb76aa3fa913a2164bc9b669e5aef9d56fa3 (diff) | |
| parent | a6525042bfdfcab128bd91fad264de10fd24a55e (diff) | |
| download | linux-cb7a97d01521797cad9f63e8478403c3e51fea49.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
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); } |