mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-25 08:21:14 +00:00
88ca372b5a
Refreshed all patches. Remove upstreamed: - 0004-boot-sq201-from-sda1.patch - 500-v4.20-ubifs-Fix-default-compression-selection-in-ubifs.patch - 0003-usb-dwc2-use-a-longer-core-rest-timeout-in-dwc2_core.patch Altered patches: - 0011-ARM-dts-Fix-up-SQ201-flash-access.patch - 400-mtd-add-rootfs-split-support.patch - 0101-pci-mediatek-backport-fix-pcie.patch Compile-tested on: cns3xxx Runtime-tested on: cns3xxx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
108 lines
2.9 KiB
Diff
108 lines
2.9 KiB
Diff
From: Felix Fietkau <nbd@nbd.name>
|
|
Subject: make rootfs split/detection more generic - patch can be moved to generic-2.6 after testing on other platforms
|
|
|
|
lede-commit: 328e660b31f0937d52c5ae3d6e7029409918a9df
|
|
Signed-off-by: Felix Fietkau <nbd@nbd.name>
|
|
---
|
|
drivers/mtd/Kconfig | 17 +++++++++++++++++
|
|
drivers/mtd/mtdpart.c | 35 +++++++++++++++++++++++++++++++++++
|
|
include/linux/mtd/partitions.h | 2 ++
|
|
3 files changed, 54 insertions(+)
|
|
|
|
--- a/drivers/mtd/Kconfig
|
|
+++ b/drivers/mtd/Kconfig
|
|
@@ -11,6 +11,23 @@ menuconfig MTD
|
|
|
|
if MTD
|
|
|
|
+menu "OpenWrt specific MTD options"
|
|
+
|
|
+config MTD_ROOTFS_ROOT_DEV
|
|
+ bool "Automatically set 'rootfs' partition to be root filesystem"
|
|
+ default y
|
|
+
|
|
+config MTD_SPLIT_FIRMWARE
|
|
+ bool "Automatically split firmware partition for kernel+rootfs"
|
|
+ default y
|
|
+
|
|
+config MTD_SPLIT_FIRMWARE_NAME
|
|
+ string "Firmware partition name"
|
|
+ depends on MTD_SPLIT_FIRMWARE
|
|
+ default "firmware"
|
|
+
|
|
+endmenu
|
|
+
|
|
config MTD_TESTS
|
|
tristate "MTD tests support (DANGEROUS)"
|
|
depends on m
|
|
--- a/drivers/mtd/mtdpart.c
|
|
+++ b/drivers/mtd/mtdpart.c
|
|
@@ -29,10 +29,12 @@
|
|
#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 "mtdcore.h"
|
|
+#include "mtdsplit/mtdsplit.h"
|
|
|
|
/* Our partition linked list */
|
|
static LIST_HEAD(mtd_partitions);
|
|
@@ -52,6 +54,8 @@ struct mtd_part {
|
|
struct list_head list;
|
|
};
|
|
|
|
+static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part);
|
|
+
|
|
/*
|
|
* Given a pointer to the MTD object in the mtd_part structure, we can retrieve
|
|
* the pointer to that structure.
|
|
@@ -626,6 +630,7 @@ int mtd_add_partition(struct mtd_info *p
|
|
if (ret)
|
|
goto err_remove_part;
|
|
|
|
+ mtd_partition_split(parent, new);
|
|
mtd_add_partition_attrs(new);
|
|
|
|
return 0;
|
|
@@ -712,6 +717,29 @@ int mtd_del_partition(struct mtd_info *m
|
|
}
|
|
EXPORT_SYMBOL_GPL(mtd_del_partition);
|
|
|
|
+#ifdef CONFIG_MTD_SPLIT_FIRMWARE_NAME
|
|
+#define SPLIT_FIRMWARE_NAME CONFIG_MTD_SPLIT_FIRMWARE_NAME
|
|
+#else
|
|
+#define SPLIT_FIRMWARE_NAME "unused"
|
|
+#endif
|
|
+
|
|
+static void split_firmware(struct mtd_info *master, struct mtd_part *part)
|
|
+{
|
|
+}
|
|
+
|
|
+static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part)
|
|
+{
|
|
+ static int rootfs_found = 0;
|
|
+
|
|
+ if (rootfs_found)
|
|
+ return;
|
|
+
|
|
+ if (IS_ENABLED(CONFIG_MTD_SPLIT_FIRMWARE) &&
|
|
+ !strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) &&
|
|
+ !of_find_property(mtd_get_of_node(&part->mtd), "compatible", NULL))
|
|
+ split_firmware(master, part);
|
|
+}
|
|
+
|
|
/*
|
|
* 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
|
|
@@ -752,6 +780,7 @@ int add_mtd_partitions(struct mtd_info *
|
|
goto err_del_partitions;
|
|
}
|
|
|
|
+ mtd_partition_split(master, slave);
|
|
mtd_add_partition_attrs(slave);
|
|
/* Look for subpartitions */
|
|
parse_mtd_partitions(&slave->mtd, parts[i].types, NULL);
|