[openwrt/openwrt] generic: add support for EON EN25QX128A spi nor flash

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch openwrt-21.02:
https://git.openwrt.org/12861e01ee28e3f525c56f1915cc3626a70ba23f

commit 12861e01ee28e3f525c56f1915cc3626a70ba23f
Author: Christian Marangi <ansuelsmth at gmail.com>
AuthorDate: Fri Oct 14 21:00:39 2022 +0200

    generic: add support for EON EN25QX128A spi nor flash
    
    Add support for EON EN25QX128A spi nor flash with no flags as it does
    support SFDP parsing.
    
    Fixes: #9442
    Tested-by: Szabolcs Hubai <szab.hu at gmail.com> [ramips/mt7621: xiaomi_mi-router-4a-gigabit]
    (cherry picked from commit d7876daf6552a9f39bd5e0bf50b554e9406ec275)
    [ apply the same patch to 5.4 kernel ]
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 .../477-mtd-spi-nor-add-eon-en25qx128a.patch        | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/target/linux/generic/pending-5.4/477-mtd-spi-nor-add-eon-en25qx128a.patch b/target/linux/generic/pending-5.4/477-mtd-spi-nor-add-eon-en25qx128a.patch
new file mode 100644
index 0000000000..ec4052e54f
--- /dev/null
+++ b/target/linux/generic/pending-5.4/477-mtd-spi-nor-add-eon-en25qx128a.patch
@@ -0,0 +1,21 @@
+From: Christian Marangi <ansuelsmth at gmail.com>
+Subject: kernel/mtd: add support for EON EN25QX128A
+
+Add support for EON EN25QX128A with no flags as it does
+support SFDP parsing.
+
+Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
+---
+ drivers/mtd/spi-nor/spi-nor.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/drivers/mtd/spi-nor/spi-nor.c
++++ b/drivers/mtd/spi-nor/spi-nor.c
+@@ -2180,6 +2180,7 @@ static const struct flash_info spi_nor_i
+ 	{ "en25p64",    INFO(0x1c2017, 0, 64 * 1024,  128, 0) },
+ 	{ "en25q64",    INFO(0x1c3017, 0, 64 * 1024,  128, SECT_4K) },
+ 	{ "en25q128",   INFO(0x1c3018, 0, 64 * 1024,  256, SECT_4K) },
++	{ "en25qx128a", INFO(0x1c7118, 0, 64 * 1024, 256, 0) },
+ 	{ "en25q80a",   INFO(0x1c3014, 0, 64 * 1024,   16,
+ 			SECT_4K | SPI_NOR_DUAL_READ) },
+ 	{ "en25qh32",   INFO(0x1c7016, 0, 64 * 1024,   64, 0) },