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[MTD] Clarify OOB-operation interface comments

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Add more comment to OOB I/O interface. Read/write are not
symmetric which is confusing and should be documented.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Artem Bityutskiy 2007-01-31 11:43:13 +02:00 • committed by David Woodhouse
parent 64f6071056
commit 73a4421c5a
1 changed files with 4 additions and 0 deletions
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4
include/linux/mtd/mtd.h
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@ -85,6 +85,10 @@ typedef enum {
* mode = MTD_OOB_PLACE) * mode = MTD_OOB_PLACE)
* @datbuf: data buffer - if NULL only oob data are read/written * @datbuf: data buffer - if NULL only oob data are read/written
* @oobbuf: oob data buffer * @oobbuf: oob data buffer
*
* Note, it is allowed to read more then one OOB area at one go, but not write.
* The interface assumes that the OOB write requests program only one page's
* OOB area.
*/ */
struct mtd_oob_ops { struct mtd_oob_ops {
mtd_oob_mode_t mode; mtd_oob_mode_t mode;