From: "Jörn Engel" <joern@logfs.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
Subject: [PATCH] [MTD] Document erase interface.
Date: Fri, 21 Sep 2007 15:41:44 +0200 [thread overview]
Message-ID: <20070921134143.GH1692@lazybastard.org> (raw)
Document mtd erase interface.
Signed-off-by: Jörn Engel <joern@logfs.org>
---
include/linux/mtd/mtd.h | 7 +++++++
1 file changed, 7 insertions(+)
--- linux-2.6.21logfs/include/linux/mtd/mtd.h~mtd_erase_documentation 2007-05-31 13:41:41.000000000 +0200
+++ linux-2.6.21logfs/include/linux/mtd/mtd.h 2007-09-21 15:43:18.000000000 +0200
@@ -139,6 +139,13 @@ struct mtd_info {
/* This really shouldn't be here. It can go away in 2.5 */
u_int32_t bank_size;
+ /*
+ * 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 */
next reply other threads:[~2007-09-21 13:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-21 13:41 Jörn Engel [this message]
2007-09-21 14:14 ` [PATCH] [MTD] Document erase interface Josh Boyer
2007-09-21 14:14 ` Jörn Engel
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