openwrt/target/linux/ramips/patches-4.4/0901-spansion_nand_id_fix.patch
Stijn Segers b934aa2f21 kernel: update 17.01 kernel to 4.4.116
This bumps the 4.4. kernel in LEDE 17.01 to 4.4.116.
More Meltdown & Spectre mitigation.

* Refresh patches.
* Refresh x86/config for RETPOLINE.
* Deleted 8049-PCI-layerscape-Add-fsl-ls2085a-pcie-compatible-ID.patch (accepted upstream)
* Deleted 8050-PCI-layerscape-Fix-MSG-TLP-drop-setting.patch (accepted upstream)
* 650-pppoe_header_pad.patch does not apply anymore (code was replaced).

Bumps from 4.4.113 to 4.4.115 were handled by Kevin Darbyshire-Bryant.

Compile-tested on: ar71xx, ramips/mt7621, x86/64
Run-tested on: ar71xx, ramips/mt7621, x86/64

Signed-off-by: Stijn Segers <foss@volatilesystems.org>
2018-02-20 08:34:14 +01:00

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1.4 KiB
Diff

From 8b61a1a33e41456ebeafa0ebe7ec0fccf859861e Mon Sep 17 00:00:00 2001
From: Nikolay Martynov <mar.kolya@gmail.com>
Date: Wed, 25 Nov 2015 20:43:46 -0500
Subject: [PATCH] mtd: nand: Fix Spansion sparearea size detection
According to datasheet S34ML02G2 and S34ML04G2 have
larger sparea area size than was detected.
Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>
---
drivers/mtd/nand/nand_base.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -3574,6 +3574,7 @@ static void nand_decode_ext_id(struct mt
/*
* Field definitions are in the following datasheets:
* Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32)
+ * Spansion S34ML02G2 (p.33)
* New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44)
* Hynix MLC (6 byte ID): Hynix H27UBG8T2B (p.22)
*
@@ -3671,6 +3672,19 @@ static void nand_decode_ext_id(struct mt
*busw = (extid & 0x01) ? NAND_BUSWIDTH_16 : 0;
/*
+ * Spansion S34ML0[24]G2 have oobsize twice as large
+ * as S34ML01G2 encoded in the same bit. We
+ * differinciate them by their ID length
+ */
+ if (id_data[0] == NAND_MFR_AMD
+ && (id_data[1] == 0xda
+ || id_data[1] == 0xdc
+ || id_data[1] == 0xca
+ || id_data[1] == 0xcc)) {
+ mtd->oobsize *= 2;
+ }
+
+ /*
* Toshiba 24nm raw SLC (i.e., not BENAND) have 32B OOB per
* 512B page. For Toshiba SLC, we decode the 5th/6th byte as
* follows: