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Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
This commit is contained in:
Tianling Shen 2022-09-16 15:32:42 +08:00
commit 8c95ed8bfd
No known key found for this signature in database
GPG Key ID: 6850B6345C862176
14 changed files with 450 additions and 55 deletions
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3
target/linux/bcm4908/config-5.4
View File

@ -176,6 +176,9 @@ CONFIG_NET_FLOW_LIMIT=y
CONFIG_NET_SWITCHDEV=y
CONFIG_NO_IOPORT_MAP=y
CONFIG_NR_CPUS=4
CONFIG_NVMEM=y
CONFIG_NVMEM_SYSFS=y
CONFIG_NVMEM_U_BOOT_ENV=y
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_EARLY_FLATTREE=y

11
target/linux/bcm53xx/patches-5.4/080-v5.13-0002-nvmem-brcm_nvram-new-driver-exposing-Broadcom-s-NVRA.patch
View File

@ -19,11 +19,10 @@ Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
--- a/drivers/nvmem/Kconfig
+++ b/drivers/nvmem/Kconfig
@@ -230,4 +230,13 @@ config NVMEM_ZYNQMP
@@ -243,4 +243,12 @@ config NVMEM_U_BOOT_ENV
If sure, say yes. If unsure, say no.
If compiled as module it will be called nvmem_u-boot-env.
+
+config NVMEM_BRCM_NVRAM
+ tristate "Broadcom's NVRAM support"
+ depends on ARCH_BCM_5301X || COMPILE_TEST
@ -35,10 +34,10 @@ Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
endif
--- a/drivers/nvmem/Makefile
+++ b/drivers/nvmem/Makefile
@@ -50,3 +50,5 @@ obj-$(CONFIG_SC27XX_EFUSE) += nvmem-sc27
nvmem-sc27xx-efuse-y := sc27xx-efuse.o
obj-$(CONFIG_NVMEM_ZYNQMP) += nvmem_zynqmp_nvmem.o
@@ -52,3 +52,5 @@ obj-$(CONFIG_NVMEM_ZYNQMP) += nvmem_zynq
nvmem_zynqmp_nvmem-y := zynqmp_nvmem.o
obj-$(CONFIG_NVMEM_U_BOOT_ENV) += nvmem_u-boot-env.o
nvmem_u-boot-env-y := u-boot-env.o
+obj-$(CONFIG_NVMEM_BRCM_NVRAM) += nvmem_brcm_nvram.o
+nvmem_brcm_nvram-y := brcm_nvram.o
--- /dev/null

31
target/linux/bcm53xx/patches-5.4/302-ARM-dts-BCM5301X-Update-Northstar-pinctrl-binding.patch
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@ -1,31 +0,0 @@
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Subject: [PATCH] ARM: dts: BCM5301X: Update Northstar pinctrl binding
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -424,16 +424,12 @@
#size-cells = <1>;
cru@100 {
- compatible = "simple-bus";
+ compatible = "syscon", "simple-mfd";
reg = <0x100 0x1a4>;
- ranges;
- #address-cells = <1>;
- #size-cells = <1>;
- pinctrl: pin-controller@1c0 {
+ pinctrl: pinctrl {
compatible = "brcm,bcm4708-pinmux";
- reg = <0x1c0 0x24>;
- reg-names = "cru_gpio_control";
+ offset = <0xc0>;
spi-pins {
groups = "spi_grp";

72
target/linux/generic/backport-5.4/412-v5.19-mtd-call-of_platform_populate-for-MTD-partitions.patch Normal file
View File

@ -0,0 +1,72 @@
From bcdf0315a61a29eb753a607d3a85a4032de72d94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Tue, 10 May 2022 15:12:59 +0200
Subject: [PATCH] mtd: call of_platform_populate() for MTD partitions
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Until this change MTD subsystem supported handling partitions only with
MTD partitions parsers. That's a specific / limited API designed around
partitions.
Some MTD partitions may however require different handling. They may
contain specific data that needs to be parsed and somehow extracted. For
that purpose MTD subsystem should allow binding of standard platform
drivers.
An example can be U-Boot (sub)partition with environment variables.
There exist a "u-boot,env" DT binding for MTD (sub)partition that
requires an NVMEM driver.
Ref: 5db1c2dbc04c ("dt-bindings: nvmem: add U-Boot environment variables binding")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220510131259.555-1-zajec5@gmail.com
---
drivers/mtd/mtdpart.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -17,6 +17,7 @@
#include <linux/mtd/partitions.h>
#include <linux/err.h>
#include <linux/of.h>
+#include <linux/of_platform.h>
#include "mtdcore.h"
@@ -893,10 +894,16 @@ static int mtd_part_of_parse(struct mtd_
struct mtd_part_parser *parser;
struct device_node *np;
struct property *prop;
+ struct device *dev;
const char *compat;
const char *fixed = "fixed-partitions";
int ret, err = 0;
+ dev = &master->dev;
+ /* Use parent device (controller) if the top level MTD is not registered */
+ if (!IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER) && !mtd_is_partition(master))
+ dev = master->dev.parent;
+
np = mtd_get_of_node(master);
if (mtd_is_partition(master))
of_node_get(np);
@@ -909,6 +916,7 @@ static int mtd_part_of_parse(struct mtd_
continue;
ret = mtd_part_do_parse(parser, master, pparts, NULL);
if (ret > 0) {
+ of_platform_populate(np, NULL, NULL, dev);
of_node_put(np);
return ret;
}
@@ -916,6 +924,7 @@ static int mtd_part_of_parse(struct mtd_
if (ret < 0 && !err)
err = ret;
}
+ of_platform_populate(np, NULL, NULL, dev);
of_node_put(np);
/*

72
target/linux/generic/backport-5.4/414-v6.1-mtd-allow-getting-MTD-device-associated-with-a-speci.patch Normal file
View File

@ -0,0 +1,72 @@
From b0321721be50b80c03a51866a94fde4f94690e18 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 15 Jun 2022 21:42:59 +0200
Subject: [PATCH] mtd: allow getting MTD device associated with a specific DT
node
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
MTD subsystem API allows interacting with MTD devices (e.g. reading,
writing, handling bad blocks). So far a random driver could get MTD
device only by its name (get_mtd_device_nm()). This change allows
getting them also by a DT node.
This API is required for drivers handling DT defined MTD partitions in a
specific way (e.g. U-Boot (sub)partition with environment variables).
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
drivers/mtd/mtdcore.c | 28 ++++++++++++++++++++++++++++
include/linux/mtd/mtd.h | 1 +
2 files changed, 29 insertions(+)
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1006,6 +1006,34 @@ int __get_mtd_device(struct mtd_info *mt
EXPORT_SYMBOL_GPL(__get_mtd_device);
/**
+ * of_get_mtd_device_by_node - obtain an MTD device associated with a given node
+ *
+ * @np: device tree node
+ */
+struct mtd_info *of_get_mtd_device_by_node(struct device_node *np)
+{
+ struct mtd_info *mtd = NULL;
+ struct mtd_info *tmp;
+ int err;
+
+ mutex_lock(&mtd_table_mutex);
+
+ err = -EPROBE_DEFER;
+ mtd_for_each_device(tmp) {
+ if (mtd_get_of_node(tmp) == np) {
+ mtd = tmp;
+ err = __get_mtd_device(mtd);
+ break;
+ }
+ }
+
+ mutex_unlock(&mtd_table_mutex);
+
+ return err ? ERR_PTR(err) : mtd;
+}
+EXPORT_SYMBOL_GPL(of_get_mtd_device_by_node);
+
+/**
* get_mtd_device_nm - obtain a validated handle for an MTD device by
* device name
* @name: MTD device name to open
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -567,6 +567,7 @@ extern int mtd_device_unregister(struct
extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
extern int __get_mtd_device(struct mtd_info *mtd);
extern void __put_mtd_device(struct mtd_info *mtd);
+extern struct mtd_info *of_get_mtd_device_by_node(struct device_node *np);
extern struct mtd_info *get_mtd_device_nm(const char *name);
extern void put_mtd_device(struct mtd_info *mtd);

278
target/linux/generic/backport-5.4/801-v6.1-nvmem-add-driver-handling-U-Boot-environment-variabl.patch Normal file
View File

@ -0,0 +1,278 @@
From f955dc14450695564926711cf9fa8e1d5d854302 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Wed, 15 Jun 2022 21:43:00 +0200
Subject: [PATCH] nvmem: add driver handling U-Boot environment variables
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
U-Boot stores its setup as environment variables. It's a list of
key-value pairs stored on flash device with a custom header.
This commit adds an NVMEM driver that:
1. Provides NVMEM access to environment vars binary data
2. Extracts variables as NVMEM cells
Current Linux's NVMEM sysfs API allows reading whole NVMEM data block.
It can be used by user-space tools for reading U-Boot env vars block
without the hassle of finding its location. Parsing will still need to
be re-done there.
Kernel-parsed NVMEM cells can be read however by Linux drivers. This may
be useful for Ethernet drivers for reading device MAC address which is
often stored as U-Boot env variable.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
--- a/drivers/nvmem/Kconfig
+++ b/drivers/nvmem/Kconfig
@@ -230,4 +230,17 @@ config NVMEM_ZYNQMP
If sure, say yes. If unsure, say no.
+config NVMEM_U_BOOT_ENV
+ tristate "U-Boot environment variables support"
+ depends on OF && MTD
+ select CRC32
+ help
+ U-Boot stores its setup as environment variables. This driver adds
+ support for verifying & exporting such data. It also exposes variables
+ as NVMEM cells so they can be referenced by other drivers.
+
+ Currently this drivers works only with env variables on top of MTD.
+
+ If compiled as module it will be called nvmem_u-boot-env.
+
endif
--- a/drivers/nvmem/Makefile
+++ b/drivers/nvmem/Makefile
@@ -50,3 +50,5 @@ obj-$(CONFIG_SC27XX_EFUSE) += nvmem-sc27
nvmem-sc27xx-efuse-y := sc27xx-efuse.o
obj-$(CONFIG_NVMEM_ZYNQMP) += nvmem_zynqmp_nvmem.o
nvmem_zynqmp_nvmem-y := zynqmp_nvmem.o
+obj-$(CONFIG_NVMEM_U_BOOT_ENV) += nvmem_u-boot-env.o
+nvmem_u-boot-env-y := u-boot-env.o
--- /dev/null
+++ b/drivers/nvmem/u-boot-env.c
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2022 Rafał Miłecki <rafal@milecki.pl>
+ */
+
+#include <linux/crc32.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/mtd/mtd.h>
+#include <linux/nvmem-consumer.h>
+#include <linux/nvmem-provider.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+enum u_boot_env_format {
+ U_BOOT_FORMAT_SINGLE,
+ U_BOOT_FORMAT_REDUNDANT,
+};
+
+struct u_boot_env {
+ struct device *dev;
+ enum u_boot_env_format format;
+
+ struct mtd_info *mtd;
+
+ /* Cells */
+ struct nvmem_cell_info *cells;
+ int ncells;
+};
+
+struct u_boot_env_image_single {
+ __le32 crc32;
+ uint8_t data[];
+} __packed;
+
+struct u_boot_env_image_redundant {
+ __le32 crc32;
+ u8 mark;
+ uint8_t data[];
+} __packed;
+
+static int u_boot_env_read(void *context, unsigned int offset, void *val,
+ size_t bytes)
+{
+ struct u_boot_env *priv = context;
+ struct device *dev = priv->dev;
+ size_t bytes_read;
+ int err;
+
+ err = mtd_read(priv->mtd, offset, bytes, &bytes_read, val);
+ if (err && !mtd_is_bitflip(err)) {
+ dev_err(dev, "Failed to read from mtd: %d\n", err);
+ return err;
+ }
+
+ if (bytes_read != bytes) {
+ dev_err(dev, "Failed to read %zu bytes\n", bytes);
+ return -EIO;
+ }
+
+ return 0;
+}
+
+static int u_boot_env_add_cells(struct u_boot_env *priv, uint8_t *buf,
+ size_t data_offset, size_t data_len)
+{
+ struct device *dev = priv->dev;
+ char *data = buf + data_offset;
+ char *var, *value, *eq;
+ int idx;
+
+ priv->ncells = 0;
+ for (var = data; var < data + data_len && *var; var += strlen(var) + 1)
+ priv->ncells++;
+
+ priv->cells = devm_kcalloc(dev, priv->ncells, sizeof(*priv->cells), GFP_KERNEL);
+ if (!priv->cells)
+ return -ENOMEM;
+
+ for (var = data, idx = 0;
+ var < data + data_len && *var;
+ var = value + strlen(value) + 1, idx++) {
+ eq = strchr(var, '=');
+ if (!eq)
+ break;
+ *eq = '\0';
+ value = eq + 1;
+
+ priv->cells[idx].name = devm_kstrdup(dev, var, GFP_KERNEL);
+ if (!priv->cells[idx].name)
+ return -ENOMEM;
+ priv->cells[idx].offset = data_offset + value - data;
+ priv->cells[idx].bytes = strlen(value);
+ }
+
+ if (WARN_ON(idx != priv->ncells))
+ priv->ncells = idx;
+
+ return 0;
+}
+
+static int u_boot_env_parse(struct u_boot_env *priv)
+{
+ struct device *dev = priv->dev;
+ size_t crc32_data_offset;
+ size_t crc32_data_len;
+ size_t crc32_offset;
+ size_t data_offset;
+ size_t data_len;
+ uint32_t crc32;
+ uint32_t calc;
+ size_t bytes;
+ uint8_t *buf;
+ int err;
+
+ buf = kcalloc(1, priv->mtd->size, GFP_KERNEL);
+ if (!buf) {
+ err = -ENOMEM;
+ goto err_out;
+ }
+
+ err = mtd_read(priv->mtd, 0, priv->mtd->size, &bytes, buf);
+ if ((err && !mtd_is_bitflip(err)) || bytes != priv->mtd->size) {
+ dev_err(dev, "Failed to read from mtd: %d\n", err);
+ goto err_kfree;
+ }
+
+ switch (priv->format) {
+ case U_BOOT_FORMAT_SINGLE:
+ crc32_offset = offsetof(struct u_boot_env_image_single, crc32);
+ crc32_data_offset = offsetof(struct u_boot_env_image_single, data);
+ data_offset = offsetof(struct u_boot_env_image_single, data);
+ break;
+ case U_BOOT_FORMAT_REDUNDANT:
+ crc32_offset = offsetof(struct u_boot_env_image_redundant, crc32);
+ crc32_data_offset = offsetof(struct u_boot_env_image_redundant, mark);
+ data_offset = offsetof(struct u_boot_env_image_redundant, data);
+ break;
+ }
+ crc32 = le32_to_cpu(*(uint32_t *)(buf + crc32_offset));
+ crc32_data_len = priv->mtd->size - crc32_data_offset;
+ data_len = priv->mtd->size - data_offset;
+
+ calc = crc32(~0, buf + crc32_data_offset, crc32_data_len) ^ ~0L;
+ if (calc != crc32) {
+ dev_err(dev, "Invalid calculated CRC32: 0x%08x (expected: 0x%08x)\n", calc, crc32);
+ err = -EINVAL;
+ goto err_kfree;
+ }
+
+ buf[priv->mtd->size - 1] = '\0';
+ err = u_boot_env_add_cells(priv, buf, data_offset, data_len);
+ if (err)
+ dev_err(dev, "Failed to add cells: %d\n", err);
+
+err_kfree:
+ kfree(buf);
+err_out:
+ return err;
+}
+
+static int u_boot_env_probe(struct platform_device *pdev)
+{
+ struct nvmem_config config = {
+ .name = "u-boot-env",
+ .reg_read = u_boot_env_read,
+ };
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct u_boot_env *priv;
+ int err;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+ priv->dev = dev;
+
+ priv->format = (uintptr_t)of_device_get_match_data(dev);
+
+ priv->mtd = of_get_mtd_device_by_node(np);
+ if (IS_ERR(priv->mtd)) {
+ dev_err(dev, "Failed to get %pOF MTD\n", np);
+ return PTR_ERR(priv->mtd);
+ }
+
+ err = u_boot_env_parse(priv);
+ if (err)
+ return err;
+
+ config.dev = dev;
+ config.cells = priv->cells;
+ config.ncells = priv->ncells;
+ config.priv = priv;
+ config.size = priv->mtd->size;
+
+ return PTR_ERR_OR_ZERO(devm_nvmem_register(dev, &config));
+}
+
+static const struct of_device_id u_boot_env_of_match_table[] = {
+ { .compatible = "u-boot,env", .data = (void *)U_BOOT_FORMAT_SINGLE, },
+ { .compatible = "u-boot,env-redundant-bool", .data = (void *)U_BOOT_FORMAT_REDUNDANT, },
+ { .compatible = "u-boot,env-redundant-count", .data = (void *)U_BOOT_FORMAT_REDUNDANT, },
+ {},
+};
+
+static struct platform_driver u_boot_env_driver = {
+ .probe = u_boot_env_probe,
+ .driver = {
+ .name = "u_boot_env",
+ .of_match_table = u_boot_env_of_match_table,
+ },
+};
+module_platform_driver(u_boot_env_driver);
+
+MODULE_AUTHOR("Rafał Miłecki");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(of, u_boot_env_of_match_table);

1
target/linux/generic/config-5.4
View File

@ -3842,6 +3842,7 @@ CONFIG_NMI_LOG_BUF_SHIFT=13
# CONFIG_NVMEM_IMX_OCOTP is not set
# CONFIG_NVMEM_REBOOT_MODE is not set
# CONFIG_NVMEM_SYSFS is not set
# CONFIG_NVMEM_U_BOOT_ENV is not set
# CONFIG_NVME_FC is not set
# CONFIG_NVME_TARGET is not set
# CONFIG_NVME_TCP is not set

11
target/linux/generic/pending-5.4/400-mtd-add-rootfs-split-support.patch
View File

@ -37,20 +37,21 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
depends on m
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -15,10 +15,12 @@
@@ -15,11 +15,13 @@
#include <linux/kmod.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <linux/magic.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/of_platform.h>
#include "mtdcore.h"
+#include "mtdsplit/mtdsplit.h"
/* Our partition linked list */
static LIST_HEAD(mtd_partitions);
@@ -38,6 +40,8 @@ struct mtd_part {
@@ -39,6 +41,8 @@ struct mtd_part {
struct list_head list;
};
@ -59,7 +60,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/*
* Given a pointer to the MTD object in the mtd_part structure, we can retrieve
* the pointer to that structure.
@@ -612,6 +616,7 @@ int mtd_add_partition(struct mtd_info *p
@@ -613,6 +617,7 @@ int mtd_add_partition(struct mtd_info *p
if (ret)
goto err_remove_part;
@ -67,7 +68,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
mtd_add_partition_attrs(new);
return 0;
@@ -698,6 +703,29 @@ int mtd_del_partition(struct mtd_info *m
@@ -699,6 +704,29 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
@ -97,7 +98,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/*
* This function, given a master MTD object and a partition table, creates
* and registers slave MTD objects which are bound to the master according to
@@ -738,6 +766,7 @@ int add_mtd_partitions(struct mtd_info *
@@ -739,6 +767,7 @@ int add_mtd_partitions(struct mtd_info *
goto err_del_partitions;
}

6
target/linux/generic/pending-5.4/401-mtd-add-support-for-different-partition-parser-types.patch
View File

@ -9,7 +9,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -41,6 +41,10 @@ struct mtd_part {
@@ -42,6 +42,10 @@ struct mtd_part {
};
static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part);
@ -20,7 +20,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
/*
* Given a pointer to the MTD object in the mtd_part structure, we can retrieve
@@ -703,6 +707,36 @@ int mtd_del_partition(struct mtd_info *m
@@ -704,6 +708,36 @@ int mtd_del_partition(struct mtd_info *m
}
EXPORT_SYMBOL_GPL(mtd_del_partition);
@ -57,7 +57,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
#else
@@ -1052,6 +1086,61 @@ void mtd_part_parser_cleanup(struct mtd_
@@ -1061,6 +1095,61 @@ void mtd_part_parser_cleanup(struct mtd_
}
}

4
target/linux/generic/pending-5.4/402-mtd-use-typed-mtd-parsers-for-rootfs-and-firmware-split.patch
View File

@ -10,7 +10,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -745,6 +745,7 @@ run_parsers_by_type(struct mtd_part *sla
@@ -746,6 +746,7 @@ run_parsers_by_type(struct mtd_part *sla
static void split_firmware(struct mtd_info *master, struct mtd_part *part)
{
@ -18,7 +18,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
}
static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
@@ -754,6 +755,12 @@ static void mtd_partition_split(struct m
@@ -755,6 +756,12 @@ static void mtd_partition_split(struct m
if (rootfs_found)
return;

2
target/linux/generic/pending-5.4/404-mtd-add-more-helper-functions.patch
View File

@ -11,7 +11,7 @@ Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -1165,6 +1165,24 @@ int mtd_is_partition(const struct mtd_in
@@ -1174,6 +1174,24 @@ int mtd_is_partition(const struct mtd_in
}
EXPORT_SYMBOL_GPL(mtd_is_partition);

6
target/linux/generic/pending-5.4/411-mtd-partial_eraseblock_write.patch
View File

@ -10,7 +10,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -22,6 +22,8 @@
@@ -23,6 +23,8 @@
#include "mtdcore.h"
#include "mtdsplit/mtdsplit.h"
@ -19,7 +19,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
/* Our partition linked list */
static LIST_HEAD(mtd_partitions);
static DEFINE_MUTEX(mtd_partitions_mutex);
@@ -206,11 +208,77 @@ static int part_erase(struct mtd_info *m
@@ -207,11 +209,77 @@ static int part_erase(struct mtd_info *m
{
struct mtd_part *part = mtd_to_part(mtd);
int ret;
@ -97,7 +97,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
instr->addr -= part->offset;
return ret;
@@ -525,19 +593,22 @@ static struct mtd_part *allocate_partiti
@@ -526,19 +594,22 @@ static struct mtd_part *allocate_partiti
remainder = do_div(tmp, wr_alignment);
if ((slave->mtd.flags & MTD_WRITEABLE) && remainder) {
/* Doesn't start on a boundary of major erase size */

2
target/linux/generic/pending-5.4/412-mtd-partial_eraseblock_unlock.patch
View File

@ -20,7 +20,7 @@ Signed-off-by: Tim Harvey <tharvey@gateworks.com>
--- a/drivers/mtd/mtdpart.c
+++ b/drivers/mtd/mtdpart.c
@@ -293,7 +293,16 @@ static int part_lock(struct mtd_info *mt
@@ -294,7 +294,16 @@ static int part_lock(struct mtd_info *mt
static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
{
struct mtd_part *part = mtd_to_part(mtd);

6
target/linux/generic/pending-5.4/495-mtd-core-add-get_mtd_device_by_node.patch
View File

@ -17,7 +17,7 @@ Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -1053,6 +1053,44 @@ out_unlock:
@@ -1081,6 +1081,44 @@ out_unlock:
}
EXPORT_SYMBOL_GPL(get_mtd_device_nm);
@ -64,9 +64,9 @@ Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
mutex_lock(&mtd_table_mutex);
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -586,6 +586,8 @@ extern struct mtd_info *get_mtd_device(s
extern int __get_mtd_device(struct mtd_info *mtd);
@@ -587,6 +587,8 @@ extern int __get_mtd_device(struct mtd_i
extern void __put_mtd_device(struct mtd_info *mtd);
extern struct mtd_info *of_get_mtd_device_by_node(struct device_node *np);
extern struct mtd_info *get_mtd_device_nm(const char *name);
+extern struct mtd_info *get_mtd_device_by_node(
+ const struct device_node *of_node);