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[MTD] assume mtd->writesize is 1 for NOR flashes

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Signed-off-by: Artem B. Bityitskiy
This commit is contained in:
Artem B. Bityutskiy
2006-06-14 19:53:44 +04:00
parent f9068876f5
commit 783ed81ff3
8 changed files with 13 additions and 3 deletions
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9
include/linux/mtd/mtd.h
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@@ -110,9 +110,12 @@ struct mtd_info {
* information below if they desire
*/
u_int32_t erasesize;
/* Smallest availlable size for writing to the device. For NAND,
* this is the page size, for some NOR chips, the size of ECC
* covered blocks.
/* Minimal writable flash unit size. In case of NOR flash it is 1 (even
* though individual bits can be cleared), in case of NAND flash it is
* one NAND page (or half, or one-fourths of it), in case of ECC-ed NOR
* it is of ECC block size, etc. It is illegal to have writesize = 0.
* Any driver registering a struct mtd_info must ensure a writesize of
* 1 or larger.
*/
u_int32_t writesize;