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41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 130bbde4809b011faf64f99dddc14b4b01f440c3 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Tue, 12 May 2020 09:57:32 +0200
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Subject: [PATCH] mtd: rawnand: brcmnand: fix hamming oob layout
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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First 2 bytes are used in large-page nand.
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Fixes: ef5eeea6e911 ("mtd: nand: brcm: switch to mtd_ooblayout_ops")
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Cc: stable@vger.kernel.org
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Link: https://lore.kernel.org/linux-mtd/20200512075733.745374-2-noltari@gmail.com
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---
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drivers/mtd/nand/raw/brcmnand/brcmnand.c | 11 +++++++----
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1 file changed, 7 insertions(+), 4 deletions(-)
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--- a/drivers/mtd/nand/raw/brcmnand/brcmnand.c
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+++ b/drivers/mtd/nand/raw/brcmnand/brcmnand.c
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@@ -1019,11 +1019,14 @@ static int brcmnand_hamming_ooblayout_fr
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if (!section) {
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/*
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* Small-page NAND use byte 6 for BBI while large-page
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- * NAND use byte 0.
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+ * NAND use bytes 0 and 1.
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*/
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- if (cfg->page_size > 512)
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- oobregion->offset++;
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- oobregion->length--;
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+ if (cfg->page_size > 512) {
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+ oobregion->offset += 2;
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+ oobregion->length -= 2;
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+ } else {
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+ oobregion->length--;
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+ }
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}
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}
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