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-rw-r--r--target/linux/generic/backport-5.10/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch34
-rw-r--r--target/linux/generic/backport-5.10/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch (renamed from target/linux/generic/pending-5.10/401-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch)0
-rw-r--r--target/linux/generic/backport-5.10/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch (renamed from target/linux/generic/pending-5.10/401-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch)0
-rw-r--r--target/linux/generic/backport-5.10/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch (renamed from target/linux/generic/pending-5.10/401-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch)0
-rw-r--r--target/linux/generic/backport-5.10/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch98
-rw-r--r--target/linux/generic/backport-5.10/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch156
-rw-r--r--target/linux/generic/backport-5.4/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch34
-rw-r--r--target/linux/generic/backport-5.4/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch (renamed from target/linux/generic/pending-5.4/405-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch)4
-rw-r--r--target/linux/generic/backport-5.4/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch (renamed from target/linux/generic/pending-5.4/405-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch)7
-rw-r--r--target/linux/generic/backport-5.4/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch (renamed from target/linux/generic/pending-5.4/405-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch)4
-rw-r--r--target/linux/generic/backport-5.4/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch98
-rw-r--r--target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch156
-rw-r--r--target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch4
-rw-r--r--target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch4
14 files changed, 591 insertions, 8 deletions
diff --git a/target/linux/generic/backport-5.10/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch b/target/linux/generic/backport-5.10/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch
new file mode 100644
index 0000000000..f1b778a6e1
--- /dev/null
+++ b/target/linux/generic/backport-5.10/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch
@@ -0,0 +1,34 @@
+From b87b6d2d6f540e29c3f98e1572d64e560d73d6c1 Mon Sep 17 00:00:00 2001
+From: Wei Yongjun <weiyongjun1@huawei.com>
+Date: Thu, 4 Mar 2021 06:46:00 +0000
+Subject: [PATCH] mtd: parsers: ofpart: make symbol 'bcm4908_partitions_quirks'
+ static
+
+The sparse tool complains as follows:
+
+drivers/mtd/parsers/ofpart_core.c:25:32: warning:
+ symbol 'bcm4908_partitions_quirks' was not declared. Should it be static?
+
+This symbol is not used outside of ofpart_core.c, so this
+commit marks it static.
+
+Fixes: 457da931b608 ("mtd: parsers: ofpart: support BCM4908 fixed partitions")
+Reported-by: Hulk Robot <hulkci@huawei.com>
+Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210304064600.3279138-1-weiyongjun1@huawei.com
+---
+ drivers/mtd/parsers/ofpart_core.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/mtd/parsers/ofpart_core.c
++++ b/drivers/mtd/parsers/ofpart_core.c
+@@ -22,7 +22,7 @@ struct fixed_partitions_quirks {
+ int (*post_parse)(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts);
+ };
+
+-struct fixed_partitions_quirks bcm4908_partitions_quirks = {
++static struct fixed_partitions_quirks bcm4908_partitions_quirks = {
+ .post_parse = bcm4908_partitions_post_parse,
+ };
+
diff --git a/target/linux/generic/pending-5.10/401-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch b/target/linux/generic/backport-5.10/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch
index 28335cb71f..28335cb71f 100644
--- a/target/linux/generic/pending-5.10/401-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch
+++ b/target/linux/generic/backport-5.10/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch
diff --git a/target/linux/generic/pending-5.10/401-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch b/target/linux/generic/backport-5.10/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch
index 14ea3f6b8c..14ea3f6b8c 100644
--- a/target/linux/generic/pending-5.10/401-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch
+++ b/target/linux/generic/backport-5.10/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch
diff --git a/target/linux/generic/pending-5.10/401-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch b/target/linux/generic/backport-5.10/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
index 0eb4c637cf..0eb4c637cf 100644
--- a/target/linux/generic/pending-5.10/401-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
+++ b/target/linux/generic/backport-5.10/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
diff --git a/target/linux/generic/backport-5.10/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch b/target/linux/generic/backport-5.10/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch
new file mode 100644
index 0000000000..35a4afd67b
--- /dev/null
+++ b/target/linux/generic/backport-5.10/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch
@@ -0,0 +1,98 @@
+From 2fa7294175c76e1ec568aa75c1891fd908728c8d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Fri, 12 Mar 2021 14:49:18 +0100
+Subject: [PATCH] dt-bindings: mtd: add binding for Linksys Northstar
+ partitions
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Linksys on Broadcom Northstar devices uses fixed flash layout with
+multiple firmware partitions.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Reviewed-by: Rob Herring <robh@kernel.org>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210312134919.7767-1-zajec5@gmail.com
+---
+ .../mtd/partitions/linksys,ns-partitions.yaml | 74 +++++++++++++++++++
+ 1 file changed, 74 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml
+@@ -0,0 +1,74 @@
++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/mtd/partitions/linksys,ns-partitions.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: Linksys Northstar partitioning
++
++description: |
++ Linksys devices based on Broadcom Northstar architecture often use two
++ firmware partitions. One is used for regular booting, the other is treated as
++ fallback.
++
++ This binding allows defining all fixed partitions and marking those containing
++ firmware. System can use that information e.g. for booting or flashing
++ purposes.
++
++maintainers:
++ - Rafał Miłecki <rafal@milecki.pl>
++
++properties:
++ compatible:
++ const: linksys,ns-partitions
++
++ "#address-cells":
++ enum: [ 1, 2 ]
++
++ "#size-cells":
++ enum: [ 1, 2 ]
++
++patternProperties:
++ "^partition@[0-9a-f]+$":
++ $ref: "partition.yaml#"
++ properties:
++ compatible:
++ items:
++ - const: linksys,ns-firmware
++ - const: brcm,trx
++ unevaluatedProperties: false
++
++required:
++ - "#address-cells"
++ - "#size-cells"
++
++additionalProperties: false
++
++examples:
++ - |
++ partitions {
++ compatible = "linksys,ns-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ partition@0 {
++ label = "boot";
++ reg = <0x0 0x100000>;
++ read-only;
++ };
++
++ partition@100000 {
++ label = "nvram";
++ reg = <0x100000 0x100000>;
++ };
++
++ partition@200000 {
++ compatible = "linksys,ns-firmware", "brcm,trx";
++ reg = <0x200000 0xf00000>;
++ };
++
++ partition@1100000 {
++ compatible = "linksys,ns-firmware", "brcm,trx";
++ reg = <0x1100000 0xf00000>;
++ };
++ };
diff --git a/target/linux/generic/backport-5.10/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch b/target/linux/generic/backport-5.10/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch
new file mode 100644
index 0000000000..f317889785
--- /dev/null
+++ b/target/linux/generic/backport-5.10/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch
@@ -0,0 +1,156 @@
+From 7134a2d026d942210b4d26d6059c9d979ca7866e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Fri, 12 Mar 2021 14:49:19 +0100
+Subject: [PATCH] mtd: parsers: ofpart: support Linksys Northstar partitions
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This allows extending ofpart parser with support for Linksys Northstar
+devices. That support uses recently added quirks mechanism.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210312134919.7767-2-zajec5@gmail.com
+---
+ drivers/mtd/parsers/Kconfig | 10 +++++
+ drivers/mtd/parsers/Makefile | 1 +
+ drivers/mtd/parsers/ofpart_core.c | 6 +++
+ drivers/mtd/parsers/ofpart_linksys_ns.c | 50 +++++++++++++++++++++++++
+ drivers/mtd/parsers/ofpart_linksys_ns.h | 18 +++++++++
+ 5 files changed, 85 insertions(+)
+ create mode 100644 drivers/mtd/parsers/ofpart_linksys_ns.c
+ create mode 100644 drivers/mtd/parsers/ofpart_linksys_ns.h
+
+--- a/drivers/mtd/parsers/Kconfig
++++ b/drivers/mtd/parsers/Kconfig
+@@ -76,6 +76,16 @@ config MTD_OF_PARTS_BCM4908
+ that can have multiple "firmware" partitions. It takes care of
+ finding currently used one and backup ones.
+
++config MTD_OF_PARTS_LINKSYS_NS
++ bool "Linksys Northstar partitioning support"
++ depends on MTD_OF_PARTS && (ARCH_BCM_5301X || ARCH_BCM4908 || COMPILE_TEST)
++ default ARCH_BCM_5301X
++ help
++ This provides partitions parser for Linksys devices based on Broadcom
++ Northstar architecture. Linksys commonly uses fixed flash layout with
++ two "firmware" partitions. Currently used firmware has to be detected
++ using CFE environment variable.
++
+ config MTD_PARSER_IMAGETAG
+ tristate "Parser for BCM963XX Image Tag format partitions"
+ depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
+--- a/drivers/mtd/parsers/Makefile
++++ b/drivers/mtd/parsers/Makefile
+@@ -6,6 +6,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdl
+ obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
+ ofpart-y += ofpart_core.o
+ ofpart-$(CONFIG_MTD_OF_PARTS_BCM4908) += ofpart_bcm4908.o
++ofpart-$(CONFIG_MTD_OF_PARTS_LINKSYS_NS)+= ofpart_linksys_ns.o
+ obj-$(CONFIG_MTD_PARSER_IMAGETAG) += parser_imagetag.o
+ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
+ obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o
+--- a/drivers/mtd/parsers/ofpart_core.c
++++ b/drivers/mtd/parsers/ofpart_core.c
+@@ -17,6 +17,7 @@
+ #include <linux/mtd/partitions.h>
+
+ #include "ofpart_bcm4908.h"
++#include "ofpart_linksys_ns.h"
+
+ struct fixed_partitions_quirks {
+ int (*post_parse)(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts);
+@@ -26,6 +27,10 @@ static struct fixed_partitions_quirks bc
+ .post_parse = bcm4908_partitions_post_parse,
+ };
+
++static struct fixed_partitions_quirks linksys_ns_partitions_quirks = {
++ .post_parse = linksys_ns_partitions_post_parse,
++};
++
+ static const struct of_device_id parse_ofpart_match_table[];
+
+ static bool node_has_compatible(struct device_node *pp)
+@@ -167,6 +172,7 @@ static const struct of_device_id parse_o
+ { .compatible = "fixed-partitions" },
+ /* Customized */
+ { .compatible = "brcm,bcm4908-partitions", .data = &bcm4908_partitions_quirks, },
++ { .compatible = "linksys,ns-partitions", .data = &linksys_ns_partitions_quirks, },
+ {},
+ };
+ MODULE_DEVICE_TABLE(of, parse_ofpart_match_table);
+--- /dev/null
++++ b/drivers/mtd/parsers/ofpart_linksys_ns.c
+@@ -0,0 +1,50 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (C) 2021 Rafał Miłecki <rafal@milecki.pl>
++ */
++
++#include <linux/bcm47xx_nvram.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/partitions.h>
++
++#include "ofpart_linksys_ns.h"
++
++#define NVRAM_BOOT_PART "bootpartition"
++
++static int ofpart_linksys_ns_bootpartition(void)
++{
++ char buf[4];
++ int bootpartition;
++
++ /* Check CFE environment variable */
++ if (bcm47xx_nvram_getenv(NVRAM_BOOT_PART, buf, sizeof(buf)) > 0) {
++ if (!kstrtoint(buf, 0, &bootpartition))
++ return bootpartition;
++ pr_warn("Failed to parse %s value \"%s\"\n", NVRAM_BOOT_PART,
++ buf);
++ } else {
++ pr_warn("Failed to get NVRAM \"%s\"\n", NVRAM_BOOT_PART);
++ }
++
++ return 0;
++}
++
++int linksys_ns_partitions_post_parse(struct mtd_info *mtd,
++ struct mtd_partition *parts,
++ int nr_parts)
++{
++ int bootpartition = ofpart_linksys_ns_bootpartition();
++ int trx_idx = 0;
++ int i;
++
++ for (i = 0; i < nr_parts; i++) {
++ if (of_device_is_compatible(parts[i].of_node, "linksys,ns-firmware")) {
++ if (trx_idx++ == bootpartition)
++ parts[i].name = "firmware";
++ else
++ parts[i].name = "backup";
++ }
++ }
++
++ return 0;
++}
+--- /dev/null
++++ b/drivers/mtd/parsers/ofpart_linksys_ns.h
+@@ -0,0 +1,18 @@
++/* SPDX-License-Identifier: GPL-2.0 */
++#ifndef __OFPART_LINKSYS_NS_H
++#define __OFPART_LINKSYS_NS_H
++
++#ifdef CONFIG_MTD_OF_PARTS_LINKSYS_NS
++int linksys_ns_partitions_post_parse(struct mtd_info *mtd,
++ struct mtd_partition *parts,
++ int nr_parts);
++#else
++static inline int linksys_ns_partitions_post_parse(struct mtd_info *mtd,
++ struct mtd_partition *parts,
++ int nr_parts)
++{
++ return -EOPNOTSUPP;
++}
++#endif
++
++#endif
diff --git a/target/linux/generic/backport-5.4/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch b/target/linux/generic/backport-5.4/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch
new file mode 100644
index 0000000000..f1b778a6e1
--- /dev/null
+++ b/target/linux/generic/backport-5.4/405-v5.13-mtd-parsers-ofpart-make-symbol-bcm4908_partitions_qu.patch
@@ -0,0 +1,34 @@
+From b87b6d2d6f540e29c3f98e1572d64e560d73d6c1 Mon Sep 17 00:00:00 2001
+From: Wei Yongjun <weiyongjun1@huawei.com>
+Date: Thu, 4 Mar 2021 06:46:00 +0000
+Subject: [PATCH] mtd: parsers: ofpart: make symbol 'bcm4908_partitions_quirks'
+ static
+
+The sparse tool complains as follows:
+
+drivers/mtd/parsers/ofpart_core.c:25:32: warning:
+ symbol 'bcm4908_partitions_quirks' was not declared. Should it be static?
+
+This symbol is not used outside of ofpart_core.c, so this
+commit marks it static.
+
+Fixes: 457da931b608 ("mtd: parsers: ofpart: support BCM4908 fixed partitions")
+Reported-by: Hulk Robot <hulkci@huawei.com>
+Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210304064600.3279138-1-weiyongjun1@huawei.com
+---
+ drivers/mtd/parsers/ofpart_core.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/mtd/parsers/ofpart_core.c
++++ b/drivers/mtd/parsers/ofpart_core.c
+@@ -22,7 +22,7 @@ struct fixed_partitions_quirks {
+ int (*post_parse)(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts);
+ };
+
+-struct fixed_partitions_quirks bcm4908_partitions_quirks = {
++static struct fixed_partitions_quirks bcm4908_partitions_quirks = {
+ .post_parse = bcm4908_partitions_post_parse,
+ };
+
diff --git a/target/linux/generic/pending-5.4/405-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch b/target/linux/generic/backport-5.4/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch
index 25801e4686..ecea743d87 100644
--- a/target/linux/generic/pending-5.4/405-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch
+++ b/target/linux/generic/backport-5.4/406-v5.13-0001-mtd-core-add-nvmem-cells-compatible-to-parse-mtd-as-.patch
@@ -1,4 +1,4 @@
-From a5d83d6e2bc747b13f347962d4b335d70b23559b Mon Sep 17 00:00:00 2001
+From 658c4448bbbf02a143abf1b89d09a3337ebd3ba6 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Fri, 12 Mar 2021 07:28:19 +0100
Subject: [PATCH] mtd: core: add nvmem-cells compatible to parse mtd as nvmem
@@ -13,6 +13,8 @@ nvmem provider.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Tested-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-1-ansuelsmth@gmail.com
---
drivers/mtd/mtdcore.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/linux/generic/pending-5.4/405-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch b/target/linux/generic/backport-5.4/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch
index 14ea3f6b8c..c0515bd571 100644
--- a/target/linux/generic/pending-5.4/405-0002-devicetree-nvmem-nvmem-drop-nodename-restriction.patch
+++ b/target/linux/generic/backport-5.4/406-v5.13-0002-dt-bindings-nvmem-drop-nodename-restriction.patch
@@ -1,12 +1,15 @@
-From 42645976c3289b03a12f1bd2bc131fd98fc27170 Mon Sep 17 00:00:00 2001
+From 52981a0fa9f7d68641e0e6bb584054c6d9eb2056 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Fri, 12 Mar 2021 07:28:20 +0100
-Subject: [PATCH] devicetree: nvmem: nvmem: drop $nodename restriction
+Subject: [PATCH] dt-bindings: nvmem: drop $nodename restriction
Drop $nodename restriction as now mtd partition can also be used as
nvmem provider.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+Reviewed-by: Rob Herring <robh@kernel.org>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-2-ansuelsmth@gmail.com
---
Documentation/devicetree/bindings/nvmem/nvmem.yaml | 3 ---
1 file changed, 3 deletions(-)
diff --git a/target/linux/generic/pending-5.4/405-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch b/target/linux/generic/backport-5.4/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
index 0eb4c637cf..552919f587 100644
--- a/target/linux/generic/pending-5.4/405-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
+++ b/target/linux/generic/backport-5.4/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
@@ -1,4 +1,4 @@
-From 377aa0135dc8489312edd3184d143ce3a89ff7ee Mon Sep 17 00:00:00 2001
+From ac42c46f983e4a9003a7bb91ad44a23ab7b8f534 Mon Sep 17 00:00:00 2001
From: Ansuel Smith <ansuelsmth@gmail.com>
Date: Fri, 12 Mar 2021 07:28:21 +0100
Subject: [PATCH] dt-bindings: mtd: Document use of nvmem-cells compatible
@@ -8,6 +8,8 @@ nvmem provider.
Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-3-ansuelsmth@gmail.com
---
.../bindings/mtd/partitions/nvmem-cells.yaml | 99 +++++++++++++++++++
1 file changed, 99 insertions(+)
diff --git a/target/linux/generic/backport-5.4/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch b/target/linux/generic/backport-5.4/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch
new file mode 100644
index 0000000000..35a4afd67b
--- /dev/null
+++ b/target/linux/generic/backport-5.4/407-v5.13-0001-dt-bindings-mtd-add-binding-for-Linksys-Northstar-pa.patch
@@ -0,0 +1,98 @@
+From 2fa7294175c76e1ec568aa75c1891fd908728c8d Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Fri, 12 Mar 2021 14:49:18 +0100
+Subject: [PATCH] dt-bindings: mtd: add binding for Linksys Northstar
+ partitions
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Linksys on Broadcom Northstar devices uses fixed flash layout with
+multiple firmware partitions.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Reviewed-by: Rob Herring <robh@kernel.org>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210312134919.7767-1-zajec5@gmail.com
+---
+ .../mtd/partitions/linksys,ns-partitions.yaml | 74 +++++++++++++++++++
+ 1 file changed, 74 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/mtd/partitions/linksys,ns-partitions.yaml
+@@ -0,0 +1,74 @@
++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/mtd/partitions/linksys,ns-partitions.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: Linksys Northstar partitioning
++
++description: |
++ Linksys devices based on Broadcom Northstar architecture often use two
++ firmware partitions. One is used for regular booting, the other is treated as
++ fallback.
++
++ This binding allows defining all fixed partitions and marking those containing
++ firmware. System can use that information e.g. for booting or flashing
++ purposes.
++
++maintainers:
++ - Rafał Miłecki <rafal@milecki.pl>
++
++properties:
++ compatible:
++ const: linksys,ns-partitions
++
++ "#address-cells":
++ enum: [ 1, 2 ]
++
++ "#size-cells":
++ enum: [ 1, 2 ]
++
++patternProperties:
++ "^partition@[0-9a-f]+$":
++ $ref: "partition.yaml#"
++ properties:
++ compatible:
++ items:
++ - const: linksys,ns-firmware
++ - const: brcm,trx
++ unevaluatedProperties: false
++
++required:
++ - "#address-cells"
++ - "#size-cells"
++
++additionalProperties: false
++
++examples:
++ - |
++ partitions {
++ compatible = "linksys,ns-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ partition@0 {
++ label = "boot";
++ reg = <0x0 0x100000>;
++ read-only;
++ };
++
++ partition@100000 {
++ label = "nvram";
++ reg = <0x100000 0x100000>;
++ };
++
++ partition@200000 {
++ compatible = "linksys,ns-firmware", "brcm,trx";
++ reg = <0x200000 0xf00000>;
++ };
++
++ partition@1100000 {
++ compatible = "linksys,ns-firmware", "brcm,trx";
++ reg = <0x1100000 0xf00000>;
++ };
++ };
diff --git a/target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch b/target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch
new file mode 100644
index 0000000000..75eb9391ae
--- /dev/null
+++ b/target/linux/generic/backport-5.4/407-v5.13-0002-mtd-parsers-ofpart-support-Linksys-Northstar-partiti.patch
@@ -0,0 +1,156 @@
+From 7134a2d026d942210b4d26d6059c9d979ca7866e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
+Date: Fri, 12 Mar 2021 14:49:19 +0100
+Subject: [PATCH] mtd: parsers: ofpart: support Linksys Northstar partitions
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+This allows extending ofpart parser with support for Linksys Northstar
+devices. That support uses recently added quirks mechanism.
+
+Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
+Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
+Link: https://lore.kernel.org/linux-mtd/20210312134919.7767-2-zajec5@gmail.com
+---
+ drivers/mtd/parsers/Kconfig | 10 +++++
+ drivers/mtd/parsers/Makefile | 1 +
+ drivers/mtd/parsers/ofpart_core.c | 6 +++
+ drivers/mtd/parsers/ofpart_linksys_ns.c | 50 +++++++++++++++++++++++++
+ drivers/mtd/parsers/ofpart_linksys_ns.h | 18 +++++++++
+ 5 files changed, 85 insertions(+)
+ create mode 100644 drivers/mtd/parsers/ofpart_linksys_ns.c
+ create mode 100644 drivers/mtd/parsers/ofpart_linksys_ns.h
+
+--- a/drivers/mtd/parsers/Kconfig
++++ b/drivers/mtd/parsers/Kconfig
+@@ -76,6 +76,16 @@ config MTD_OF_PARTS_BCM4908
+ that can have multiple "firmware" partitions. It takes care of
+ finding currently used one and backup ones.
+
++config MTD_OF_PARTS_LINKSYS_NS
++ bool "Linksys Northstar partitioning support"
++ depends on MTD_OF_PARTS && (ARCH_BCM_5301X || ARCH_BCM4908 || COMPILE_TEST)
++ default ARCH_BCM_5301X
++ help
++ This provides partitions parser for Linksys devices based on Broadcom
++ Northstar architecture. Linksys commonly uses fixed flash layout with
++ two "firmware" partitions. Currently used firmware has to be detected
++ using CFE environment variable.
++
+ config MTD_PARSER_IMAGETAG
+ tristate "Parser for BCM963XX Image Tag format partitions"
+ depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST
+--- a/drivers/mtd/parsers/Makefile
++++ b/drivers/mtd/parsers/Makefile
+@@ -6,6 +6,7 @@ obj-$(CONFIG_MTD_CMDLINE_PARTS) += cmdl
+ obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
+ ofpart-y += ofpart_core.o
+ ofpart-$(CONFIG_MTD_OF_PARTS_BCM4908) += ofpart_bcm4908.o
++ofpart-$(CONFIG_MTD_OF_PARTS_LINKSYS_NS)+= ofpart_linksys_ns.o
+ obj-$(CONFIG_MTD_PARSER_IMAGETAG) += parser_imagetag.o
+ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
+ obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o
+--- a/drivers/mtd/parsers/ofpart_core.c
++++ b/drivers/mtd/parsers/ofpart_core.c
+@@ -17,6 +17,7 @@
+ #include <linux/mtd/partitions.h>
+
+ #include "ofpart_bcm4908.h"
++#include "ofpart_linksys_ns.h"
+
+ struct fixed_partitions_quirks {
+ int (*post_parse)(struct mtd_info *mtd, struct mtd_partition *parts, int nr_parts);
+@@ -26,6 +27,10 @@ static struct fixed_partitions_quirks bc
+ .post_parse = bcm4908_partitions_post_parse,
+ };
+
++static struct fixed_partitions_quirks linksys_ns_partitions_quirks = {
++ .post_parse = linksys_ns_partitions_post_parse,
++};
++
+ static const struct of_device_id parse_ofpart_match_table[];
+
+ static bool node_has_compatible(struct device_node *pp)
+@@ -164,6 +169,7 @@ static const struct of_device_id parse_o
+ { .compatible = "fixed-partitions" },
+ /* Customized */
+ { .compatible = "brcm,bcm4908-partitions", .data = &bcm4908_partitions_quirks, },
++ { .compatible = "linksys,ns-partitions", .data = &linksys_ns_partitions_quirks, },
+ {},
+ };
+ MODULE_DEVICE_TABLE(of, parse_ofpart_match_table);
+--- /dev/null
++++ b/drivers/mtd/parsers/ofpart_linksys_ns.c
+@@ -0,0 +1,50 @@
++// SPDX-License-Identifier: GPL-2.0
++/*
++ * Copyright (C) 2021 Rafał Miłecki <rafal@milecki.pl>
++ */
++
++#include <linux/bcm47xx_nvram.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/partitions.h>
++
++#include "ofpart_linksys_ns.h"
++
++#define NVRAM_BOOT_PART "bootpartition"
++
++static int ofpart_linksys_ns_bootpartition(void)
++{
++ char buf[4];
++ int bootpartition;
++
++ /* Check CFE environment variable */
++ if (bcm47xx_nvram_getenv(NVRAM_BOOT_PART, buf, sizeof(buf)) > 0) {
++ if (!kstrtoint(buf, 0, &bootpartition))
++ return bootpartition;
++ pr_warn("Failed to parse %s value \"%s\"\n", NVRAM_BOOT_PART,
++ buf);
++ } else {
++ pr_warn("Failed to get NVRAM \"%s\"\n", NVRAM_BOOT_PART);
++ }
++
++ return 0;
++}
++
++int linksys_ns_partitions_post_parse(struct mtd_info *mtd,
++ struct mtd_partition *parts,
++ int nr_parts)
++{
++ int bootpartition = ofpart_linksys_ns_bootpartition();
++ int trx_idx = 0;
++ int i;
++
++ for (i = 0; i < nr_parts; i++) {
++ if (of_device_is_compatible(parts[i].of_node, "linksys,ns-firmware")) {
++ if (trx_idx++ == bootpartition)
++ parts[i].name = "firmware";
++ else
++ parts[i].name = "backup";
++ }
++ }
++
++ return 0;
++}
+--- /dev/null
++++ b/drivers/mtd/parsers/ofpart_linksys_ns.h
+@@ -0,0 +1,18 @@
++/* SPDX-License-Identifier: GPL-2.0 */
++#ifndef __OFPART_LINKSYS_NS_H
++#define __OFPART_LINKSYS_NS_H
++
++#ifdef CONFIG_MTD_OF_PARTS_LINKSYS_NS
++int linksys_ns_partitions_post_parse(struct mtd_info *mtd,
++ struct mtd_partition *parts,
++ int nr_parts);
++#else
++static inline int linksys_ns_partitions_post_parse(struct mtd_info *mtd,
++ struct mtd_partition *parts,
++ int nr_parts)
++{
++ return -EOPNOTSUPP;
++}
++#endif
++
++#endif
diff --git a/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch b/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch
index 7853cae325..ab1e09a5f1 100644
--- a/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch
+++ b/target/linux/generic/pending-5.10/435-mtd-add-routerbootpart-parser-config.patch
@@ -16,7 +16,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -185,3 +185,12 @@ config MTD_REDBOOT_PARTS_READONLY
+@@ -195,3 +195,12 @@ config MTD_REDBOOT_PARTS_READONLY
'FIS directory' images, enable this option.
endif # MTD_REDBOOT_PARTS
@@ -31,7 +31,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
+ formatted DTS.
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
-@@ -12,3 +12,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
+@@ -13,3 +13,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o
obj-$(CONFIG_MTD_SHARPSL_PARTS) += sharpslpart.o
obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o
diff --git a/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch b/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch
index 7853cae325..ab1e09a5f1 100644
--- a/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch
+++ b/target/linux/generic/pending-5.4/435-mtd-add-routerbootpart-parser-config.patch
@@ -16,7 +16,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -185,3 +185,12 @@ config MTD_REDBOOT_PARTS_READONLY
+@@ -195,3 +195,12 @@ config MTD_REDBOOT_PARTS_READONLY
'FIS directory' images, enable this option.
endif # MTD_REDBOOT_PARTS
@@ -31,7 +31,7 @@ Signed-off-by: Thibaut VARÈNE <hacks@slashdirt.org>
+ formatted DTS.
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
-@@ -12,3 +12,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
+@@ -13,3 +13,4 @@ obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o
obj-$(CONFIG_MTD_SHARPSL_PARTS) += sharpslpart.o
obj-$(CONFIG_MTD_REDBOOT_PARTS) += redboot.o