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| author | Kyungmin Park <kyungmin.park@samsung.com> | 2007-03-09 10:08:11 +0900 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-03-09 08:08:09 +0000 |
| commit | 470bc844361b238bcbe6a07ba47d51fca25f2742 (patch) | |
| tree | 818d1727b1613d0893e519e918d76ff4cdfcda7f /include/linux/mtd | |
| parent | 5bc399e9ef430efd5725b66aa2ad7ad2d81e372b (diff) | |
| download | linux-3.10-470bc844361b238bcbe6a07ba47d51fca25f2742.tar.gz linux-3.10-470bc844361b238bcbe6a07ba47d51fca25f2742.tar.bz2 linux-3.10-470bc844361b238bcbe6a07ba47d51fca25f2742.zip | |
[MTD] [OneNAND] Classify the page data and oob buffer
Classify the page data and oob buffer
and it prevents the memory fragementation (writesize + oobsize)
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'include/linux/mtd')
| -rw-r--r-- | include/linux/mtd/onenand.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index d8af8a95e58..a56d24ada50 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -82,7 +82,8 @@ struct onenand_bufferram { * @wq: [INTERN] wait queue to sleep on if a OneNAND * operation is in progress * @state: [INTERN] the current state of the OneNAND device - * @page_buf: data buffer + * @page_buf: [INTERN] page main data buffer + * @oob_buf: [INTERN] page oob data buffer * @subpagesize: [INTERN] holds the subpagesize * @ecclayout: [REPLACEABLE] the default ecc placement scheme * @bbm: [REPLACEABLE] pointer to Bad Block Management @@ -122,6 +123,7 @@ struct onenand_chip { wait_queue_head_t wq; onenand_state_t state; unsigned char *page_buf; + unsigned char *oob_buf; int subpagesize; struct nand_ecclayout *ecclayout; @@ -156,6 +158,7 @@ struct onenand_chip { #define ONENAND_HAS_CONT_LOCK (0x0001) #define ONENAND_HAS_UNLOCK_ALL (0x0002) #define ONENAND_PAGEBUF_ALLOC (0x1000) +#define ONENAND_OOBBUF_ALLOC (0x2000) /* * OneNAND Flash Manufacturer ID Codes |