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authorWaldemar Brodkorb <wbx@openadk.org>2011-01-13 17:29:14 +0100
committerWaldemar Brodkorb <wbx@openadk.org>2011-01-13 17:29:14 +0100
commit897be7157eb98898fdc62224857025d4a0f01dd5 (patch)
tree763f672beb5d7b5c44099aa3e4cea747ef9f9c7f /target/linux/patches/2.6.37/mtd-root.patch
parent607e1fc199759ad073742bdd4d667c3947c2c5ca (diff)
parent61f978300c334c3e2466d24bed56ae6a1720d2b2 (diff)
Merge branch 'master' of git+ssh://openadk.org/git/openadk
Diffstat (limited to 'target/linux/patches/2.6.37/mtd-root.patch')
-rw-r--r--target/linux/patches/2.6.37/mtd-root.patch64
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);