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generic: 6.12: disable cont read for MX35LFxGE4AD

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Continuous read does not work properly in on-die ECC mode.
Disable it to fix ubi io error on the GL.iNet GL-MT3000.

Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
This commit is contained in:
Chukun Pan 2025-06-10 23:15:02 +08:00 committed by Daniel Golle
parent f60207a2d3
commit 323bbce600
1 changed files with 39 additions and 0 deletions
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39
target/linux/generic/pending-6.12/417-mtd-spi-nand-macronix-disable-continuous-read-for-MX.patch Normal file
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@ -0,0 +1,39 @@
From 435afd182e8f5997033da1d69e56094ecb112cad Mon Sep 17 00:00:00 2001
From: Chukun Pan <amadeus@jmu.edu.cn>
Date: Thu, 10 Jun 2025 23:10:16 +0800
Subject: [PATCH] mtd: spi-nand: macronix: disable continuous read for
MX35LFxGE4AD
In on-die ECC mode, enabling continuous read will cause ubi_io_read error.
[ 7.852000] ubi0 warning: ubi_io_read: error -5 while reading ...
So disable it first. Tested on GL.iNet GL-MT3000 with MX35LF2GE4AD flash.
Fixes: 11813857864f ("mtd: spi-nand: macronix: Continuous read support")
Signed-off-by: Chukun Pan <amadeus@jmu.edu.cn>
---
drivers/mtd/nand/spi/macronix.c | 2 --
1 file changed, 2 deletions(-)
--- a/drivers/mtd/nand/spi/macronix.c
+++ b/drivers/mtd/nand/spi/macronix.c
@@ -167,8 +167,7 @@ static const struct spinand_info macroni
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
- macronix_ecc_get_status),
- SPINAND_CONT_READ(macronix_set_cont_read)),
+ macronix_ecc_get_status)),
SPINAND_INFO("MX35LF4GE4AD",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x37, 0x03),
NAND_MEMORG(1, 4096, 128, 64, 2048, 40, 1, 1, 1),
@@ -178,8 +177,7 @@ static const struct spinand_info macroni
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
- macronix_ecc_get_status),
- SPINAND_CONT_READ(macronix_set_cont_read)),
+ macronix_ecc_get_status)),
SPINAND_INFO("MX35LF1G24AD",
SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14, 0x03),
NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),