diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/400-mtd-add-rootfs-split-support.patch')
-rw-r--r-- | target/linux/generic/pending-5.4/400-mtd-add-rootfs-split-support.patch | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/target/linux/generic/pending-5.4/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/pending-5.4/400-mtd-add-rootfs-split-support.patch deleted file mode 100644 index 83a4ed39a3..0000000000 --- a/target/linux/generic/pending-5.4/400-mtd-add-rootfs-split-support.patch +++ /dev/null @@ -1,107 +0,0 @@ -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 -@@ -12,6 +12,23 @@ 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 -@@ -15,10 +15,12 @@ - #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); -@@ -38,6 +40,8 @@ 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. -@@ -612,6 +616,7 @@ 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; -@@ -698,6 +703,29 @@ 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 -@@ -738,6 +766,7 @@ 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); |