diff options
Diffstat (limited to 'target/linux/generic/patches-3.10/400-mtd-add-rootfs-split-support.patch')
| -rw-r--r-- | target/linux/generic/patches-3.10/400-mtd-add-rootfs-split-support.patch | 48 |
1 files changed, 28 insertions, 20 deletions
diff --git a/target/linux/generic/patches-3.10/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/patches-3.10/400-mtd-add-rootfs-split-support.patch index edbb704115..6a4c16134e 100644 --- a/target/linux/generic/patches-3.10/400-mtd-add-rootfs-split-support.patch +++ b/target/linux/generic/patches-3.10/400-mtd-add-rootfs-split-support.patch @@ -1,6 +1,6 @@ --- a/drivers/mtd/Kconfig +++ b/drivers/mtd/Kconfig -@@ -12,6 +12,27 @@ menuconfig MTD +@@ -12,6 +12,32 @@ menuconfig MTD if MTD @@ -14,15 +14,20 @@ + bool "Automatically split 'rootfs' partition for squashfs" + default y + -+config MTD_UIMAGE_SPLIT -+ bool "Automatically split off rootfs from a kernel partition containing a uImage" ++config MTD_SPLIT_FIRMWARE ++ bool "Automatically split firmware partition for kernel+rootfs" + default y + -+config MTD_UIMAGE_SPLIT_NAME -+ string "uImage partition name" -+ depends on MTD_UIMAGE_SPLIT ++config MTD_SPLIT_FIRMWARE_NAME ++ string "Firmware partition name" ++ depends on MTD_SPLIT_FIRMWARE + default "firmware" + ++config MTD_UIMAGE_SPLIT ++ bool "Enable split support for firmware partitions containing a uImage" ++ depends on MTD_SPLIT_FIRMWARE ++ default y ++ +endmenu + config MTD_TESTS @@ -116,7 +121,7 @@ int mtd_del_partition(struct mtd_info *master, int partno) { struct mtd_part *slave, *next; -@@ -613,6 +627,148 @@ int mtd_del_partition(struct mtd_info *m +@@ -613,6 +627,151 @@ int mtd_del_partition(struct mtd_info *m } EXPORT_SYMBOL_GPL(mtd_del_partition); @@ -196,12 +201,6 @@ + +#define UBOOT_MAGIC 0x27051956 + -+#ifdef CONFIG_MTD_UIMAGE_SPLIT_NAME -+#define UIMAGE_SPLIT_NAME CONFIG_MTD_UIMAGE_SPLIT_NAME -+#else -+#define UIMAGE_SPLIT_NAME "unused" -+#endif -+ +static void split_uimage(struct mtd_info *master, struct mtd_part *part) +{ + struct { @@ -211,9 +210,6 @@ + } hdr; + size_t len; + -+ if (strcmp(part->mtd.name, UIMAGE_SPLIT_NAME) != 0) -+ return; -+ + if (mtd_read(master, part->offset, sizeof(hdr), &len, (void *) &hdr)) + return; + @@ -229,12 +225,23 @@ + part->mtd.size - len, false); +} + ++#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) ++{ ++ if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT)) ++ split_uimage(master, part); ++} ++ +void __weak arch_split_mtd_part(struct mtd_info *master, const char *name, + int offset, int size) +{ +} + -+ +static void mtd_partition_split(struct mtd_info *master, struct mtd_part *part) +{ + static int rootfs_found = 0; @@ -256,8 +263,9 @@ + split_rootfs_data(master, part); + } + -+ if (config_enabled(CONFIG_MTD_UIMAGE_SPLIT)) -+ split_uimage(master, part); ++ if (!strcmp(part->mtd.name, SPLIT_FIRMWARE_NAME) && ++ config_enabled(CONFIG_MTD_SPLIT_FIRMWARE)) ++ split_firmware(master, part); + + arch_split_mtd_part(master, part->mtd.name, part->offset, + part->mtd.size); @@ -265,7 +273,7 @@ /* * 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 -@@ -642,6 +798,7 @@ int add_mtd_partitions(struct mtd_info * +@@ -642,6 +801,7 @@ int add_mtd_partitions(struct mtd_info * mutex_unlock(&mtd_partitions_mutex); add_mtd_device(&slave->mtd); |