diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:41:39 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 03:41:39 +0100 |
commit | abede81c4fb2e3b85d8760f25e3da39d2c69a134 (patch) | |
tree | 26c893ec108d837eb9171d678c55a1cea7b22af4 /drivers/mtd/mtdcore.c | |
parent | c9d557c19f94df42db78d4a5de4d25feee694bad (diff) | |
parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) |
Merge commit 'v2.6.29-rc1' into core/urgent
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 a9d24694982..76fe0a1e7a5 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); } |