diff options
| author |   Jörn Engel <joern@logfs.org> | 2007-09-21 15:41:44 +0200 |
|---|---|---|
| committer |   David Woodhouse <dwmw2@infradead.org> | 2007-09-21 14:48:33 +0100 |
| commit | b38178ee712e8608f20c8e741adf97f75f1aea39 (patch) | |
| tree | d8f78e72985a32b7aae9ef34eec6e76233cdee84 /include/linux | |
| parent | [MTD] Remove Momenco Ocelot NOR flash support (diff) | |
| download | linux-dev-b38178ee712e8608f20c8e741adf97f75f1aea39.tar.xz linux-dev-b38178ee712e8608f20c8e741adf97f75f1aea39.zip | |
[MTD] Document erase interface.
Document mtd erase interface.
Signed-off-by: Jörn Engel <joern@logfs.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mtd/mtd.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index fd64ccfbce02..783fc983417c 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -133,6 +133,13 @@ struct mtd_info { int numeraseregions; struct mtd_erase_region_info *eraseregions; + /* + * Erase is an asynchronous operation. Device drivers are supposed + * to call instr->callback() whenever the operation completes, even + * if it completes with a failure. + * Callers are supposed to pass a callback function and wait for it + * to be called before writing to the block. + */ int (*erase) (struct mtd_info *mtd, struct erase_info *instr); /* This stuff for eXecute-In-Place */ |