kernel: split patches folder up into backport, pending and hack folders

[openwrt/openwrt.git] / target / linux / generic / patches-4.4 / 400-mtd-add-rootfs-split-support.patch

diff --git a/target/linux/generic/patches-4.4/400-mtd-add-rootfs-split-support.patch b/target/linux/generic/patches-4.4/400-mtd-add-rootfs-split-support.patch
deleted file mode 100644 (file)
index 7925caf..0000000
--- a/target/linux/generic/patches-4.4/400-mtd-add-rootfs-split-support.patch
+++ /dev/null
@@ -1,113 +0,0 @@
---- 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
-@@ -29,11 +29,13 @@
- #include <linux/kmod.h>
- #include <linux/mtd/mtd.h>
- #include <linux/mtd/partitions.h>
-+#include <linux/magic.h>
- #include <linux/of.h>
- #include <linux/err.h>
- #include <linux/kconfig.h>
- 
- #include "mtdcore.h"
-+#include "mtdsplit/mtdsplit.h"
- 
- /* Our partition linked list */
- static LIST_HEAD(mtd_partitions);
-@@ -47,6 +49,8 @@ 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 with this macro.
-@@ -612,6 +616,7 @@ int mtd_add_partition(struct mtd_info *m
-       mutex_unlock(&mtd_partitions_mutex);
- 
-       add_mtd_device(&new->mtd);
-+      mtd_partition_split(master, new);
- 
-       mtd_add_partition_attrs(new);
- 
-@@ -644,6 +649,35 @@ 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)
-+{
-+}
-+
-+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;
-+
-+      if (rootfs_found)
-+              return;
-+
-+      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);
-+}
- /*
-  * 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
-@@ -675,6 +709,7 @@ int add_mtd_partitions(struct mtd_info *
-               mutex_unlock(&mtd_partitions_mutex);
- 
-               add_mtd_device(&slave->mtd);
-+              mtd_partition_split(master, slave);
-               mtd_add_partition_attrs(slave);
- 
-               cur_offset = slave->offset + slave->mtd.size;
---- a/include/linux/mtd/partitions.h
-+++ b/include/linux/mtd/partitions.h
-@@ -84,5 +84,7 @@ int mtd_add_partition(struct mtd_info *m
-                     long long offset, long long length);
- int mtd_del_partition(struct mtd_info *master, int partno);
- uint64_t mtd_get_device_size(const struct mtd_info *mtd);
-+extern void __weak arch_split_mtd_part(struct mtd_info *master,
-+                                     const char *name, int offset, int size);
- 
- #endif