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41a881a8d9
Right patch version this time, sorry! * Patch 180-usb-xhci-add-support-for-performing-fake-doorbell.patch had to be adjusted slightly because of upstream adapted code. * Refreshed patches. Compile-tested: ramips/mt7621, x86/64 Run-tested: ramips/mt7621, x86/64 Signed-off-by: Stijn Segers <foss@volatilesystems.org> Tested-by: Rosen Penev <rosenp@gmail.com>
48 lines
1.6 KiB
Diff
48 lines
1.6 KiB
Diff
From 882fd1577cbe7812ae3a48988180c5f0fda475ca Mon Sep 17 00:00:00 2001
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From: Miquel Raynal <miquel.raynal@free-electrons.com>
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Date: Sat, 26 Aug 2017 17:19:15 +0200
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Subject: [PATCH] mtd: nand: Use standard large page OOB layout when using
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NAND_ECC_NONE
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Use the core's large page OOB layout functions when not reserving any
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space for ECC bytes in the OOB layout. Fix ->nand_ooblayout_ecc_lp()
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to return -ERANGE instead of a zero length in this case.
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Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com>
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Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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---
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drivers/mtd/nand/nand_base.c | 15 ++++++++++++++-
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1 file changed, 14 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/nand/nand_base.c
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+++ b/drivers/mtd/nand/nand_base.c
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@@ -115,7 +115,7 @@ static int nand_ooblayout_ecc_lp(struct
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struct nand_chip *chip = mtd_to_nand(mtd);
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struct nand_ecc_ctrl *ecc = &chip->ecc;
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- if (section)
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+ if (section || !ecc->total)
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return -ERANGE;
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oobregion->length = ecc->total;
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@@ -4712,6 +4712,19 @@ int nand_scan_tail(struct mtd_info *mtd)
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mtd_set_ooblayout(mtd, &nand_ooblayout_lp_hamming_ops);
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break;
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default:
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+ /*
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+ * Expose the whole OOB area to users if ECC_NONE
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+ * is passed. We could do that for all kind of
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+ * ->oobsize, but we must keep the old large/small
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+ * page with ECC layout when ->oobsize <= 128 for
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+ * compatibility reasons.
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+ */
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+ if (ecc->mode == NAND_ECC_NONE) {
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+ mtd_set_ooblayout(mtd,
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+ &nand_ooblayout_lp_ops);
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+ break;
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+ }
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+
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WARN(1, "No oob scheme defined for oobsize %d\n",
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mtd->oobsize);
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ret = -EINVAL;
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