diff options
Diffstat (limited to 'target/linux/patches/2.6.37/mtd-root.patch')
| -rw-r--r-- | target/linux/patches/2.6.37/mtd-root.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/target/linux/patches/2.6.37/mtd-root.patch b/target/linux/patches/2.6.37/mtd-root.patch new file mode 100644 index 000000000..ecb9a696b --- /dev/null +++ b/target/linux/patches/2.6.37/mtd-root.patch @@ -0,0 +1,64 @@ +diff -Nur linux-2.6.37.orig/drivers/mtd/Kconfig linux-2.6.37/drivers/mtd/Kconfig +--- linux-2.6.37.orig/drivers/mtd/Kconfig 2011-01-05 01:50:19.000000000 +0100 ++++ linux-2.6.37/drivers/mtd/Kconfig 2011-01-11 20:32:21.000000000 +0100 +@@ -53,6 +53,11 @@ + devices. Partitioning on NFTL 'devices' is a different - that's the + 'normal' form of partitioning used on a block device. + ++config MTD_ROOTFS_ROOT_DEV ++ bool "Automatically set 'rootfs' partition to be root filesystem" ++ depends on MTD_PARTITIONS ++ default y ++ + config MTD_REDBOOT_PARTS + tristate "RedBoot partition table parsing" + depends on MTD_PARTITIONS +diff -Nur linux-2.6.37.orig/drivers/mtd/mtdpart.c linux-2.6.37/drivers/mtd/mtdpart.c +--- linux-2.6.37.orig/drivers/mtd/mtdpart.c 2011-01-05 01:50:19.000000000 +0100 ++++ linux-2.6.37/drivers/mtd/mtdpart.c 2011-01-11 20:40:29.000000000 +0100 +@@ -30,6 +30,7 @@ + #include <linux/mtd/mtd.h> + #include <linux/mtd/partitions.h> + #include <linux/err.h> ++#include <linux/root_dev.h> + + /* Our partition linked list */ + static LIST_HEAD(mtd_partitions); +@@ -48,7 +49,7 @@ + * the pointer to that structure with this macro. + */ + #define PART(x) ((struct mtd_part *)(x)) +- ++#define IS_PART(mtd) (mtd->read == part_read) + + /* + * MTD methods which simply translate the effective address and pass through +@@ -633,15 +634,24 @@ + { + struct mtd_part *slave; + uint64_t cur_offset = 0; +- int i; ++ int i, j; + + printk(KERN_NOTICE "Creating %d MTD partitions on \"%s\":\n", nbparts, master->name); + +- for (i = 0; i < nbparts; i++) { +- slave = allocate_partition(master, parts + i, i, cur_offset); +- if (IS_ERR(slave)) ++ for (i = 0, j = 0; i < nbparts; i++) { ++ slave = add_one_partition(master, parts + i, j++, cur_offset); ++ if (!(slave)) + return PTR_ERR(slave); + ++ ++ if (!strcmp(parts[i].name, "rootfs")) { ++#ifdef CONFIG_MTD_ROOTFS_ROOT_DEV ++ if (ROOT_DEV == 0) { ++ printk(KERN_NOTICE "mtd: partition \"rootfs\" " ++ "set to be root filesystem\n"); ++ ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, slave->mtd.index); ++ } ++#endif + mutex_lock(&mtd_partitions_mutex); + list_add(&slave->list, &mtd_partitions); + mutex_unlock(&mtd_partitions_mutex); |