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37 lines
1.3 KiB
Diff
37 lines
1.3 KiB
Diff
From 840b2f8dd2d0579e517140e1f9bbc482eaf4ed07 Mon Sep 17 00:00:00 2001
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From: Miquel Raynal <miquel.raynal@bootlin.com>
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Date: Thu, 16 Dec 2021 12:16:39 +0100
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Subject: [PATCH 02/15] mtd: nand: Add a new helper to retrieve the ECC context
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Introduce nand_to_ecc_ctx() which will allow to easily jump to the
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private pointer of an ECC context given a NAND device. This is very
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handy, from the prepare or finish ECC hook, to get the internal context
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out of the NAND device object.
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Link: https://lore.kernel.org/linux-mtd/20211216111654.238086-14-miquel.raynal@bootlin.com
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(cherry picked from commit cda32a618debd3fad8e42757b198719ae180f8f4)
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---
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include/linux/mtd/nand.h | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
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index 4ddd20fe9c9e..b617efa0a881 100644
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--- a/include/linux/mtd/nand.h
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+++ b/include/linux/mtd/nand.h
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@@ -990,6 +990,11 @@ int nanddev_markbad(struct nand_device *nand, const struct nand_pos *pos);
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int nanddev_ecc_engine_init(struct nand_device *nand);
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void nanddev_ecc_engine_cleanup(struct nand_device *nand);
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+static inline void *nand_to_ecc_ctx(struct nand_device *nand)
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+{
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+ return nand->ecc.ctx.priv;
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+}
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+
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/* BBT related functions */
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enum nand_bbt_block_status {
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NAND_BBT_BLOCK_STATUS_UNKNOWN,
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--
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2.35.1
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