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mtd: rawnand: sunxi: sunxi_nand_ooblayout_free code clarification

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The available length is really USER_DATA_LEN - 2 instead of just 2 (the
user data length minus the BBM length)
USER_DATA_LEN being 4, that doesn't change anything now, but if
USER_DATA_LEN changes, it will.

Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Richard Genoud
2026-03-17 15:24:29 +01:00
committed by Miquel Raynal
parent ee78d466db
commit 87f9c59f89
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/nand/raw/sunxi_nand.c
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@@ -1755,12 +1755,12 @@ static int sunxi_nand_ooblayout_free(struct mtd_info *mtd, int section,
/*
* The first 2 bytes are used for BB markers, hence we
* only have 2 bytes available in the first user data
* only have USER_DATA_SZ - 2 bytes available in the first user data
* section.
*/
if (!section && ecc->engine_type == NAND_ECC_ENGINE_TYPE_ON_HOST) {
oobregion->offset = 2;
oobregion->length = 2;
oobregion->length = USER_DATA_SZ - 2;
return 0;
}