From b38178ee712e8608f20c8e741adf97f75f1aea39 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rn=20Engel?= Date: Fri, 21 Sep 2007 15:41:44 +0200 Subject: [PATCH] [MTD] Document erase interface. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Document mtd erase interface. Signed-off-by: Jörn Engel Signed-off-by: David Woodhouse --- include/linux/mtd/mtd.h | 7 +++++++ 1 file changed, 7 insertions(+) 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 */