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Fix for Winbond flash devices that could not parse SFDP #34

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Fix for Winbond flash devices that could not parse SFDP #34

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29 changes: 29 additions & 0 deletions patch/0001-Revert-mtd-spi-nor-Correct-flags-for-Winbond-w25q128.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
From 29922c1e20e86e643687a76b8c3181e388067b03 Mon Sep 17 00:00:00 2001
From: Vivek Reddy <vkarri@nvidia.com>
Date: Fri, 27 Sep 2024 02:27:37 +0000
Subject: [PATCH] Revert "mtd: spi-nor: Correct flags for Winbond w25q128"

This reverts commit 7c6ba20a0b9aeb82a6c097c74ccbecdda8e9fc25.
---
drivers/mtd/spi-nor/winbond.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/mtd/spi-nor/winbond.c b/drivers/mtd/spi-nor/winbond.c
index b7c775b615e8..ffaa24055259 100644
--- a/drivers/mtd/spi-nor/winbond.c
+++ b/drivers/mtd/spi-nor/winbond.c
@@ -120,9 +120,8 @@ static const struct flash_info winbond_nor_parts[] = {
NO_SFDP_FLAGS(SECT_4K) },
{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16)
NO_SFDP_FLAGS(SECT_4K) },
- { "w25q128", INFO(0xef4018, 0, 0, 0)
- PARSE_SFDP
- FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) },
+ { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256)
+ NO_SFDP_FLAGS(SECT_4K) },
{ "w25q256", INFO(0xef4019, 0, 64 * 1024, 512)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
.fixups = &w25q256_fixups },
--
2.43.2

3 changes: 3 additions & 0 deletions patch/series
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Original file line number Diff line number Diff line change
Expand Up @@ -209,6 +209,9 @@ cisco-npu-disable-other-bars.patch
0028-Create-miniaturised-diafgw-partition-for-128MB-flash.patch
0029-pcie-if-hotplug-enabled-do-immediate-reset-on-panic.patch

# Fix for w25q128 flash that dont have SFDP support
0001-Revert-mtd-spi-nor-Correct-flags-for-Winbond-w25q128.patch

# Security patch
0001-Change-the-system.map-file-permission-only-readable-.patch

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