--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
-@@ -7,6 +7,7 @@ obj-$(CONFIG_MTD_MYLOADER_PARTS) += myl
- obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
+@@ -8,6 +8,7 @@ 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_CYBERTAN) += parser_cybertan.o
obj-$(CONFIG_MTD_PARSER_IMAGETAG) += parser_imagetag.o
obj-$(CONFIG_MTD_AFS_PARTS) += afs.o
obj-$(CONFIG_MTD_PARSER_TRX) += parser_trx.o
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -92,6 +92,14 @@ config MTD_OF_PARTS_BCM4908
- that can have multiple "firmware" partitions. It takes care of
- finding currently used one and backup ones.
+@@ -102,6 +102,14 @@ config MTD_OF_PARTS_LINKSYS_NS
+ two "firmware" partitions. Currently used firmware has to be detected
+ using CFE environment variable.
+config MTD_PARSER_CYBERTAN
+ tristate "Parser for Cybertan format partitions"
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
-@@ -7,6 +7,7 @@ obj-$(CONFIG_MTD_MYLOADER_PARTS) += myl
- obj-$(CONFIG_MTD_OF_PARTS) += ofpart.o
+@@ -8,6 +8,7 @@ obj-$(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-$(CONFIG_MTD_PARSER_CYBERTAN) += parser_cybertan.o
obj-$(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/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -92,6 +92,14 @@ config MTD_OF_PARTS_BCM4908
- that can have multiple "firmware" partitions. It takes care of
- finding currently used one and backup ones.
+@@ -102,6 +102,14 @@ config MTD_OF_PARTS_LINKSYS_NS
+ two "firmware" partitions. Currently used firmware has to be detected
+ using CFE environment variable.
+config MTD_PARSER_CYBERTAN
+ tristate "Parser for Cybertan format partitions"
CONFIG_MTD_NAND_CORE=y
CONFIG_MTD_NAND_ECC_SW_HAMMING=y
CONFIG_MTD_OF_PARTS_BCM4908=y
+# CONFIG_MTD_OF_PARTS_LINKSYS_NS is not set
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_SPLIT_CFE_BOOTFS=y
# CONFIG_MTD_SPLIT_SQUASHFS_ROOT is not set
CONFIG_MTD_NAND_BRCMNAND=y
CONFIG_MTD_NAND_CORE=y
CONFIG_MTD_NAND_ECC_SW_HAMMING=y
+CONFIG_MTD_OF_PARTS_LINKSYS_NS=y
CONFIG_MTD_PARSER_TRX=y
CONFIG_MTD_RAW_NAND=y
CONFIG_MTD_SPI_NOR=y
--- /dev/null
+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,
+ };
+
--- /dev/null
+From a5d83d6e2bc747b13f347962d4b335d70b23559b 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
+ cells
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Partitions that contains the nvmem-cells compatible will register
+their direct subonodes as nvmem cells and the node will be treated as a
+nvmem provider.
+
+Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+Tested-by: Rafał Miłecki <rafal@milecki.pl>
+---
+ drivers/mtd/mtdcore.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/mtd/mtdcore.c
++++ b/drivers/mtd/mtdcore.c
+@@ -531,6 +531,7 @@ static int mtd_nvmem_reg_read(void *priv
+
+ static int mtd_nvmem_add(struct mtd_info *mtd)
+ {
++ struct device_node *node = mtd_get_of_node(mtd);
+ struct nvmem_config config = {};
+
+ config.id = -1;
+@@ -543,7 +544,7 @@ static int mtd_nvmem_add(struct mtd_info
+ config.stride = 1;
+ config.read_only = true;
+ config.root_only = true;
+- config.no_of_node = true;
++ config.no_of_node = !of_device_is_compatible(node, "nvmem-cells");
+ config.priv = mtd;
+
+ mtd->nvmem = nvmem_register(&config);
--- /dev/null
+From 42645976c3289b03a12f1bd2bc131fd98fc27170 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
+
+Drop $nodename restriction as now mtd partition can also be used as
+nvmem provider.
+
+Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+---
+ Documentation/devicetree/bindings/nvmem/nvmem.yaml | 3 ---
+ 1 file changed, 3 deletions(-)
+
+--- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml
++++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
+@@ -20,9 +20,6 @@ description: |
+ storage device.
+
+ properties:
+- $nodename:
+- pattern: "^(eeprom|efuse|nvram)(@.*|-[0-9a-f])*$"
+-
+ "#address-cells":
+ const: 1
+
--- /dev/null
+From 377aa0135dc8489312edd3184d143ce3a89ff7ee 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
+
+Document nvmem-cells compatible used to treat mtd partitions as a
+nvmem provider.
+
+Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+Reviewed-by: Rob Herring <robh@kernel.org>
+---
+ .../bindings/mtd/partitions/nvmem-cells.yaml | 99 +++++++++++++++++++
+ 1 file changed, 99 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
+@@ -0,0 +1,99 @@
++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: Nvmem cells
++
++description: |
++ Any partition containing the compatible "nvmem-cells" will register as a
++ nvmem provider.
++ Each direct subnodes represents a nvmem cell following the nvmem binding.
++ Nvmem binding to declare nvmem-cells can be found in:
++ Documentation/devicetree/bindings/nvmem/nvmem.yaml
++
++maintainers:
++ - Ansuel Smith <ansuelsmth@gmail.com>
++
++allOf:
++ - $ref: /schemas/nvmem/nvmem.yaml#
++
++properties:
++ compatible:
++ const: nvmem-cells
++
++required:
++ - compatible
++
++additionalProperties: true
++
++examples:
++ - |
++ partitions {
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ /* ... */
++
++ };
++ art: art@1200000 {
++ compatible = "nvmem-cells";
++ reg = <0x1200000 0x0140000>;
++ label = "art";
++ read-only;
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ macaddr_gmac1: macaddr_gmac1@0 {
++ reg = <0x0 0x6>;
++ };
++
++ macaddr_gmac2: macaddr_gmac2@6 {
++ reg = <0x6 0x6>;
++ };
++
++ pre_cal_24g: pre_cal_24g@1000 {
++ reg = <0x1000 0x2f20>;
++ };
++
++ pre_cal_5g: pre_cal_5g@5000{
++ reg = <0x5000 0x2f20>;
++ };
++ };
++ - |
++ partitions {
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ partition@0 {
++ label = "bootloader";
++ reg = <0x000000 0x100000>;
++ read-only;
++ };
++
++ firmware@100000 {
++ compatible = "brcm,trx";
++ label = "firmware";
++ reg = <0x100000 0xe00000>;
++ };
++
++ calibration@f00000 {
++ compatible = "nvmem-cells";
++ label = "calibration";
++ reg = <0xf00000 0x100000>;
++ ranges = <0 0xf00000 0x100000>;
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ wifi0@0 {
++ reg = <0x000000 0x080000>;
++ };
++
++ wifi1@80000 {
++ reg = <0x080000 0x080000>;
++ };
++ };
++ };
--- /dev/null
+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>;
++ };
++ };
--- /dev/null
+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
--- /dev/null
+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,
+ };
+
--- /dev/null
+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
+ cells
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Partitions that contains the nvmem-cells compatible will register
+their direct subonodes as nvmem cells and the node will be treated as a
+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(-)
+
+--- a/drivers/mtd/mtdcore.c
++++ b/drivers/mtd/mtdcore.c
+@@ -559,6 +559,7 @@ static int mtd_nvmem_reg_read(void *priv
+
+ static int mtd_nvmem_add(struct mtd_info *mtd)
+ {
++ struct device_node *node = mtd_get_of_node(mtd);
+ struct nvmem_config config = {};
+
+ config.id = -1;
+@@ -571,7 +572,7 @@ static int mtd_nvmem_add(struct mtd_info
+ config.stride = 1;
+ config.read_only = true;
+ config.root_only = true;
+- config.no_of_node = true;
++ config.no_of_node = !of_device_is_compatible(node, "nvmem-cells");
+ config.priv = mtd;
+
+ mtd->nvmem = nvmem_register(&config);
--- /dev/null
+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] 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(-)
+
+--- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml
++++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
+@@ -20,9 +20,6 @@ description: |
+ storage device.
+
+ properties:
+- $nodename:
+- pattern: "^(eeprom|efuse|nvram)(@.*|-[0-9a-f])*$"
+-
+ "#address-cells":
+ const: 1
+
--- /dev/null
+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
+
+Document nvmem-cells compatible used to treat mtd partitions as a
+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(+)
+ create mode 100644 Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
+@@ -0,0 +1,99 @@
++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: Nvmem cells
++
++description: |
++ Any partition containing the compatible "nvmem-cells" will register as a
++ nvmem provider.
++ Each direct subnodes represents a nvmem cell following the nvmem binding.
++ Nvmem binding to declare nvmem-cells can be found in:
++ Documentation/devicetree/bindings/nvmem/nvmem.yaml
++
++maintainers:
++ - Ansuel Smith <ansuelsmth@gmail.com>
++
++allOf:
++ - $ref: /schemas/nvmem/nvmem.yaml#
++
++properties:
++ compatible:
++ const: nvmem-cells
++
++required:
++ - compatible
++
++additionalProperties: true
++
++examples:
++ - |
++ partitions {
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ /* ... */
++
++ };
++ art: art@1200000 {
++ compatible = "nvmem-cells";
++ reg = <0x1200000 0x0140000>;
++ label = "art";
++ read-only;
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ macaddr_gmac1: macaddr_gmac1@0 {
++ reg = <0x0 0x6>;
++ };
++
++ macaddr_gmac2: macaddr_gmac2@6 {
++ reg = <0x6 0x6>;
++ };
++
++ pre_cal_24g: pre_cal_24g@1000 {
++ reg = <0x1000 0x2f20>;
++ };
++
++ pre_cal_5g: pre_cal_5g@5000{
++ reg = <0x5000 0x2f20>;
++ };
++ };
++ - |
++ partitions {
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ partition@0 {
++ label = "bootloader";
++ reg = <0x000000 0x100000>;
++ read-only;
++ };
++
++ firmware@100000 {
++ compatible = "brcm,trx";
++ label = "firmware";
++ reg = <0x100000 0xe00000>;
++ };
++
++ calibration@f00000 {
++ compatible = "nvmem-cells";
++ label = "calibration";
++ reg = <0xf00000 0x100000>;
++ ranges = <0 0xf00000 0x100000>;
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ wifi0@0 {
++ reg = <0x000000 0x080000>;
++ };
++
++ wifi1@80000 {
++ reg = <0x080000 0x080000>;
++ };
++ };
++ };
--- /dev/null
+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>;
++ };
++ };
--- /dev/null
+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
+++ /dev/null
-From a5d83d6e2bc747b13f347962d4b335d70b23559b 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
- cells
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Partitions that contains the nvmem-cells compatible will register
-their direct subonodes as nvmem cells and the node will be treated as a
-nvmem provider.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
-Tested-by: Rafał Miłecki <rafal@milecki.pl>
----
- drivers/mtd/mtdcore.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
---- a/drivers/mtd/mtdcore.c
-+++ b/drivers/mtd/mtdcore.c
-@@ -531,6 +531,7 @@ static int mtd_nvmem_reg_read(void *priv
-
- static int mtd_nvmem_add(struct mtd_info *mtd)
- {
-+ struct device_node *node = mtd_get_of_node(mtd);
- struct nvmem_config config = {};
-
- config.id = -1;
-@@ -543,7 +544,7 @@ static int mtd_nvmem_add(struct mtd_info
- config.stride = 1;
- config.read_only = true;
- config.root_only = true;
-- config.no_of_node = true;
-+ config.no_of_node = !of_device_is_compatible(node, "nvmem-cells");
- config.priv = mtd;
-
- mtd->nvmem = nvmem_register(&config);
+++ /dev/null
-From 42645976c3289b03a12f1bd2bc131fd98fc27170 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
-
-Drop $nodename restriction as now mtd partition can also be used as
-nvmem provider.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
----
- Documentation/devicetree/bindings/nvmem/nvmem.yaml | 3 ---
- 1 file changed, 3 deletions(-)
-
---- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml
-+++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
-@@ -20,9 +20,6 @@ description: |
- storage device.
-
- properties:
-- $nodename:
-- pattern: "^(eeprom|efuse|nvram)(@.*|-[0-9a-f])*$"
--
- "#address-cells":
- const: 1
-
+++ /dev/null
-From 377aa0135dc8489312edd3184d143ce3a89ff7ee 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
-
-Document nvmem-cells compatible used to treat mtd partitions as a
-nvmem provider.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
-Reviewed-by: Rob Herring <robh@kernel.org>
----
- .../bindings/mtd/partitions/nvmem-cells.yaml | 99 +++++++++++++++++++
- 1 file changed, 99 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
-@@ -0,0 +1,99 @@
-+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
-+%YAML 1.2
-+---
-+$id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
-+$schema: http://devicetree.org/meta-schemas/core.yaml#
-+
-+title: Nvmem cells
-+
-+description: |
-+ Any partition containing the compatible "nvmem-cells" will register as a
-+ nvmem provider.
-+ Each direct subnodes represents a nvmem cell following the nvmem binding.
-+ Nvmem binding to declare nvmem-cells can be found in:
-+ Documentation/devicetree/bindings/nvmem/nvmem.yaml
-+
-+maintainers:
-+ - Ansuel Smith <ansuelsmth@gmail.com>
-+
-+allOf:
-+ - $ref: /schemas/nvmem/nvmem.yaml#
-+
-+properties:
-+ compatible:
-+ const: nvmem-cells
-+
-+required:
-+ - compatible
-+
-+additionalProperties: true
-+
-+examples:
-+ - |
-+ partitions {
-+ compatible = "fixed-partitions";
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ /* ... */
-+
-+ };
-+ art: art@1200000 {
-+ compatible = "nvmem-cells";
-+ reg = <0x1200000 0x0140000>;
-+ label = "art";
-+ read-only;
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ macaddr_gmac1: macaddr_gmac1@0 {
-+ reg = <0x0 0x6>;
-+ };
-+
-+ macaddr_gmac2: macaddr_gmac2@6 {
-+ reg = <0x6 0x6>;
-+ };
-+
-+ pre_cal_24g: pre_cal_24g@1000 {
-+ reg = <0x1000 0x2f20>;
-+ };
-+
-+ pre_cal_5g: pre_cal_5g@5000{
-+ reg = <0x5000 0x2f20>;
-+ };
-+ };
-+ - |
-+ partitions {
-+ compatible = "fixed-partitions";
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ partition@0 {
-+ label = "bootloader";
-+ reg = <0x000000 0x100000>;
-+ read-only;
-+ };
-+
-+ firmware@100000 {
-+ compatible = "brcm,trx";
-+ label = "firmware";
-+ reg = <0x100000 0xe00000>;
-+ };
-+
-+ calibration@f00000 {
-+ compatible = "nvmem-cells";
-+ label = "calibration";
-+ reg = <0xf00000 0x100000>;
-+ ranges = <0 0xf00000 0x100000>;
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ wifi0@0 {
-+ reg = <0x000000 0x080000>;
-+ };
-+
-+ wifi1@80000 {
-+ reg = <0x080000 0x080000>;
-+ };
-+ };
-+ };
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -185,3 +185,12 @@ config MTD_REDBOOT_PARTS_READONLY
+@@ -195,3 +195,12 @@ config MTD_REDBOOT_PARTS_READONLY
'FIS directory' images, enable this option.
endif # MTD_REDBOOT_PARTS
+ formatted DTS.
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
-@@ -12,3 +12,4 @@ obj-$(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
+++ /dev/null
-From a5d83d6e2bc747b13f347962d4b335d70b23559b 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
- cells
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Partitions that contains the nvmem-cells compatible will register
-their direct subonodes as nvmem cells and the node will be treated as a
-nvmem provider.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
-Tested-by: Rafał Miłecki <rafal@milecki.pl>
----
- drivers/mtd/mtdcore.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
-
---- a/drivers/mtd/mtdcore.c
-+++ b/drivers/mtd/mtdcore.c
-@@ -559,6 +559,7 @@ static int mtd_nvmem_reg_read(void *priv
-
- static int mtd_nvmem_add(struct mtd_info *mtd)
- {
-+ struct device_node *node = mtd_get_of_node(mtd);
- struct nvmem_config config = {};
-
- config.id = -1;
-@@ -571,7 +572,7 @@ static int mtd_nvmem_add(struct mtd_info
- config.stride = 1;
- config.read_only = true;
- config.root_only = true;
-- config.no_of_node = true;
-+ config.no_of_node = !of_device_is_compatible(node, "nvmem-cells");
- config.priv = mtd;
-
- mtd->nvmem = nvmem_register(&config);
+++ /dev/null
-From 42645976c3289b03a12f1bd2bc131fd98fc27170 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
-
-Drop $nodename restriction as now mtd partition can also be used as
-nvmem provider.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
----
- Documentation/devicetree/bindings/nvmem/nvmem.yaml | 3 ---
- 1 file changed, 3 deletions(-)
-
---- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml
-+++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
-@@ -20,9 +20,6 @@ description: |
- storage device.
-
- properties:
-- $nodename:
-- pattern: "^(eeprom|efuse|nvram)(@.*|-[0-9a-f])*$"
--
- "#address-cells":
- const: 1
-
+++ /dev/null
-From 377aa0135dc8489312edd3184d143ce3a89ff7ee 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
-
-Document nvmem-cells compatible used to treat mtd partitions as a
-nvmem provider.
-
-Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
-Reviewed-by: Rob Herring <robh@kernel.org>
----
- .../bindings/mtd/partitions/nvmem-cells.yaml | 99 +++++++++++++++++++
- 1 file changed, 99 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
-
---- /dev/null
-+++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
-@@ -0,0 +1,99 @@
-+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
-+%YAML 1.2
-+---
-+$id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
-+$schema: http://devicetree.org/meta-schemas/core.yaml#
-+
-+title: Nvmem cells
-+
-+description: |
-+ Any partition containing the compatible "nvmem-cells" will register as a
-+ nvmem provider.
-+ Each direct subnodes represents a nvmem cell following the nvmem binding.
-+ Nvmem binding to declare nvmem-cells can be found in:
-+ Documentation/devicetree/bindings/nvmem/nvmem.yaml
-+
-+maintainers:
-+ - Ansuel Smith <ansuelsmth@gmail.com>
-+
-+allOf:
-+ - $ref: /schemas/nvmem/nvmem.yaml#
-+
-+properties:
-+ compatible:
-+ const: nvmem-cells
-+
-+required:
-+ - compatible
-+
-+additionalProperties: true
-+
-+examples:
-+ - |
-+ partitions {
-+ compatible = "fixed-partitions";
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ /* ... */
-+
-+ };
-+ art: art@1200000 {
-+ compatible = "nvmem-cells";
-+ reg = <0x1200000 0x0140000>;
-+ label = "art";
-+ read-only;
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ macaddr_gmac1: macaddr_gmac1@0 {
-+ reg = <0x0 0x6>;
-+ };
-+
-+ macaddr_gmac2: macaddr_gmac2@6 {
-+ reg = <0x6 0x6>;
-+ };
-+
-+ pre_cal_24g: pre_cal_24g@1000 {
-+ reg = <0x1000 0x2f20>;
-+ };
-+
-+ pre_cal_5g: pre_cal_5g@5000{
-+ reg = <0x5000 0x2f20>;
-+ };
-+ };
-+ - |
-+ partitions {
-+ compatible = "fixed-partitions";
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ partition@0 {
-+ label = "bootloader";
-+ reg = <0x000000 0x100000>;
-+ read-only;
-+ };
-+
-+ firmware@100000 {
-+ compatible = "brcm,trx";
-+ label = "firmware";
-+ reg = <0x100000 0xe00000>;
-+ };
-+
-+ calibration@f00000 {
-+ compatible = "nvmem-cells";
-+ label = "calibration";
-+ reg = <0xf00000 0x100000>;
-+ ranges = <0 0xf00000 0x100000>;
-+ #address-cells = <1>;
-+ #size-cells = <1>;
-+
-+ wifi0@0 {
-+ reg = <0x000000 0x080000>;
-+ };
-+
-+ wifi1@80000 {
-+ reg = <0x080000 0x080000>;
-+ };
-+ };
-+ };
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -185,3 +185,12 @@ config MTD_REDBOOT_PARTS_READONLY
+@@ -195,3 +195,12 @@ config MTD_REDBOOT_PARTS_READONLY
'FIS directory' images, enable this option.
endif # MTD_REDBOOT_PARTS
+ formatted DTS.
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
-@@ -12,3 +12,4 @@ obj-$(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
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -128,6 +128,13 @@ config MTD_PARSER_TRX
+@@ -138,6 +138,13 @@ config MTD_PARSER_TRX
This driver will parse TRX header and report at least two partitions:
kernel and rootfs.
depends on MTD_NAND_SHARPSL || MTD_NAND_TMIO || COMPILE_TEST
--- a/drivers/mtd/parsers/Makefile
+++ b/drivers/mtd/parsers/Makefile
-@@ -10,6 +10,7 @@ ofpart-$(CONFIG_MTD_OF_PARTS_BCM4908) +=
+@@ -11,6 +11,7 @@ ofpart-$(CONFIG_MTD_OF_PARTS_LINKSYS_NS)
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
-@@ -33,6 +33,8 @@ static bool node_has_compatible(struct d
+@@ -38,6 +38,8 @@ static bool node_has_compatible(struct d
return of_get_property(pp, "compatible", NULL);
}
static int parse_fixed_partitions(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
-@@ -42,6 +44,7 @@ static int parse_fixed_partitions(struct
+@@ -47,6 +49,7 @@ static int parse_fixed_partitions(struct
struct mtd_partition *parts;
struct device_node *mtd_node;
struct device_node *ofpart_node;
const char *partname;
struct device_node *pp;
int nr_parts, i, ret = 0;
-@@ -126,9 +129,15 @@ static int parse_fixed_partitions(struct
+@@ -131,9 +134,15 @@ static int parse_fixed_partitions(struct
parts[i].size = of_read_number(reg + a_cells, s_cells);
parts[i].of_node = pp;
parts[i].name = partname;
if (of_get_property(pp, "read-only", &len))
-@@ -244,6 +253,18 @@ static int __init ofpart_parser_init(voi
+@@ -250,6 +259,18 @@ static int __init ofpart_parser_init(voi
return 0;
}
---
--- a/drivers/mtd/parsers/ofpart_core.c
+++ b/drivers/mtd/parsers/ofpart_core.c
-@@ -33,6 +33,8 @@ static bool node_has_compatible(struct d
+@@ -38,6 +38,8 @@ static bool node_has_compatible(struct d
return of_get_property(pp, "compatible", NULL);
}
static int parse_fixed_partitions(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
-@@ -42,6 +44,7 @@ static int parse_fixed_partitions(struct
+@@ -47,6 +49,7 @@ static int parse_fixed_partitions(struct
struct mtd_partition *parts;
struct device_node *mtd_node;
struct device_node *ofpart_node;
const char *partname;
struct device_node *pp;
int nr_parts, i, ret = 0;
-@@ -126,9 +129,15 @@ static int parse_fixed_partitions(struct
+@@ -131,9 +134,15 @@ static int parse_fixed_partitions(struct
parts[i].size = of_read_number(reg + a_cells, s_cells);
parts[i].of_node = pp;
parts[i].name = partname;
if (of_get_property(pp, "read-only", &len))
-@@ -241,6 +250,18 @@ static int __init ofpart_parser_init(voi
+@@ -247,6 +256,18 @@ static int __init ofpart_parser_init(voi
return 0;
}
--- a/drivers/mtd/parsers/ofpart_core.c
+++ b/drivers/mtd/parsers/ofpart_core.c
-@@ -33,6 +33,38 @@ static bool node_has_compatible(struct d
+@@ -38,6 +38,38 @@ static bool node_has_compatible(struct d
return of_get_property(pp, "compatible", NULL);
}
static int parse_fixed_partitions(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
-@@ -46,6 +78,8 @@ static int parse_fixed_partitions(struct
+@@ -51,6 +83,8 @@ static int parse_fixed_partitions(struct
struct device_node *pp;
int nr_parts, i, ret = 0;
bool dedicated = true;
/* Pull of_node from the master device node */
mtd_node = mtd_get_of_node(master);
-@@ -88,7 +122,9 @@ static int parse_fixed_partitions(struct
+@@ -93,7 +127,9 @@ static int parse_fixed_partitions(struct
return 0;
parts = kcalloc(nr_parts, sizeof(*parts), GFP_KERNEL);
return -ENOMEM;
i = 0;
-@@ -137,6 +173,11 @@ static int parse_fixed_partitions(struct
+@@ -142,6 +178,11 @@ static int parse_fixed_partitions(struct
if (of_get_property(pp, "lock", &len))
parts[i].mask_flags |= MTD_POWERUP_LOCK;
i++;
}
-@@ -146,6 +187,11 @@ static int parse_fixed_partitions(struct
+@@ -151,6 +192,11 @@ static int parse_fixed_partitions(struct
if (quirks && quirks->post_parse)
quirks->post_parse(master, parts, nr_parts);
*pparts = parts;
return nr_parts;
-@@ -156,6 +202,7 @@ ofpart_fail:
+@@ -161,6 +207,7 @@ ofpart_fail:
ofpart_none:
of_node_put(pp);
kfree(parts);
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -121,7 +121,7 @@ config MTD_AFS_PARTS
+@@ -131,7 +131,7 @@ config MTD_AFS_PARTS
config MTD_PARSER_TRX
tristate "Parser for TRX format partitions"
--- a/drivers/mtd/parsers/Kconfig
+++ b/drivers/mtd/parsers/Kconfig
-@@ -121,7 +121,7 @@ config MTD_AFS_PARTS
+@@ -131,7 +131,7 @@ config MTD_AFS_PARTS
config MTD_PARSER_TRX
tristate "Parser for TRX format partitions"
--- a/drivers/mtd/parsers/ofpart_core.c
+++ b/drivers/mtd/parsers/ofpart_core.c
-@@ -33,6 +33,8 @@ static bool node_has_compatible(struct d
+@@ -38,6 +38,8 @@ static bool node_has_compatible(struct d
return of_get_property(pp, "compatible", NULL);
}
static int parse_fixed_partitions(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
-@@ -43,6 +45,7 @@ static int parse_fixed_partitions(struct
+@@ -48,6 +50,7 @@ static int parse_fixed_partitions(struct
struct device_node *mtd_node;
struct device_node *ofpart_node;
const char *partname;
struct device_node *pp;
int nr_parts, i, ret = 0;
bool dedicated = true;
-@@ -126,9 +129,13 @@ static int parse_fixed_partitions(struct
+@@ -131,9 +134,13 @@ static int parse_fixed_partitions(struct
parts[i].size = of_read_number(reg + a_cells, s_cells);
parts[i].of_node = pp;
parts[i].name = partname;
if (of_get_property(pp, "read-only", &len))
-@@ -244,6 +251,18 @@ static int __init ofpart_parser_init(voi
+@@ -250,6 +257,18 @@ static int __init ofpart_parser_init(voi
return 0;
}
--- a/drivers/mtd/parsers/ofpart_core.c
+++ b/drivers/mtd/parsers/ofpart_core.c
-@@ -33,6 +33,8 @@ static bool node_has_compatible(struct d
+@@ -38,6 +38,8 @@ static bool node_has_compatible(struct d
return of_get_property(pp, "compatible", NULL);
}
static int parse_fixed_partitions(struct mtd_info *master,
const struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
-@@ -43,6 +45,7 @@ static int parse_fixed_partitions(struct
+@@ -48,6 +50,7 @@ static int parse_fixed_partitions(struct
struct device_node *mtd_node;
struct device_node *ofpart_node;
const char *partname;
struct device_node *pp;
int nr_parts, i, ret = 0;
bool dedicated = true;
-@@ -126,9 +129,13 @@ static int parse_fixed_partitions(struct
+@@ -131,9 +134,13 @@ static int parse_fixed_partitions(struct
parts[i].size = of_read_number(reg + a_cells, s_cells);
parts[i].of_node = pp;
parts[i].name = partname;
if (of_get_property(pp, "read-only", &len))
-@@ -241,6 +248,18 @@ static int __init ofpart_parser_init(voi
+@@ -247,6 +254,18 @@ static int __init ofpart_parser_init(voi
return 0;
}
projects / openwrt / staging / nbd.git / commitdiff