diff options
Diffstat (limited to 'target/linux/patches/2.6.31.5/mtd-root.patch')
| -rw-r--r-- | target/linux/patches/2.6.31.5/mtd-root.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/patches/2.6.31.5/mtd-root.patch b/target/linux/patches/2.6.31.5/mtd-root.patch new file mode 100644 index 000000000..0317a0a3e --- /dev/null +++ b/target/linux/patches/2.6.31.5/mtd-root.patch @@ -0,0 +1,62 @@ +diff -Nur linux-2.6.31.4.orig/drivers/mtd/Kconfig linux-2.6.31.4/drivers/mtd/Kconfig +--- linux-2.6.31.4.orig/drivers/mtd/Kconfig 2009-10-12 22:15:40.000000000 +0200 ++++ linux-2.6.31.4/drivers/mtd/Kconfig 2009-10-21 11:45:10.557679089 +0200 +@@ -53,6 +53,11 @@ + should normally be compiled as kernel modules. The modules perform + various checks and verifications when loaded. + ++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-2.6.31.4.orig/drivers/mtd/mtdpart.c linux-2.6.31.4/drivers/mtd/mtdpart.c +--- linux-2.6.31.4.orig/drivers/mtd/mtdpart.c 2009-10-12 22:15:40.000000000 +0200 ++++ linux-2.6.31.4/drivers/mtd/mtdpart.c 2009-10-21 11:46:39.593679219 +0200 +@@ -18,6 +18,7 @@ + #include <linux/mtd/mtd.h> + #include <linux/mtd/partitions.h> + #include <linux/mtd/compatmac.h> ++#include <linux/root_dev.h> + + /* Our partition linked list */ + static LIST_HEAD(mtd_partitions); +@@ -35,7 +36,7 @@ + * 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 +@@ -517,14 +518,23 @@ + { + 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 = add_one_partition(master, parts + i, i, cur_offset); ++ for (i = 0, j = 0; i < nbparts; i++) { ++ slave = add_one_partition(master, parts + i, j++, cur_offset); + if (!slave) + return -ENOMEM; ++ 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 ++ } + cur_offset = slave->offset + slave->mtd.size; + } + |