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authorJohn Crispin <john@openwrt.org>2016-03-23 11:12:34 +0000
committerJohn Crispin <john@openwrt.org>2016-03-23 11:12:34 +0000
commitdd70bcc0895463dadf1976b925bb5e705a1ed2cb (patch)
treefd5b6a818313f2f71fd320ba704d948d2ae11e42 /target/linux/mediatek/patches-4.4
parent30d3a8c512c259614dd3da9cd1ef8d125c981555 (diff)
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mediatek: patch block2mtd to allow cmdlineparts to work
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 49067
Diffstat (limited to 'target/linux/mediatek/patches-4.4')
-rw-r--r--target/linux/mediatek/patches-4.4/0100-block2mtd.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0100-block2mtd.patch b/target/linux/mediatek/patches-4.4/0100-block2mtd.patch
new file mode 100644
index 0000000000..7fbd6d4019
--- /dev/null
+++ b/target/linux/mediatek/patches-4.4/0100-block2mtd.patch
@@ -0,0 +1,32 @@
+--- a/drivers/mtd/devices/block2mtd.c
++++ b/drivers/mtd/devices/block2mtd.c
+@@ -32,6 +32,8 @@
+ #include <linux/slab.h>
+ #include <linux/major.h>
+
++static const char * const block2mtd_probe_types[] = { "cmdlinepart", NULL };
++
+ /* Info for the block device */
+ struct block2mtd_dev {
+ struct list_head list;
+@@ -227,6 +229,7 @@
+ #endif
+ const fmode_t mode = FMODE_READ | FMODE_WRITE | FMODE_EXCL;
+ struct block_device *bdev = ERR_PTR(-ENODEV);
++ struct mtd_part_parser_data ppdata = { 0 };
+ struct block2mtd_dev *dev;
+ struct mtd_partition *part;
+ char *name;
+@@ -307,11 +310,7 @@
+ dev->mtd.priv = dev;
+ dev->mtd.owner = THIS_MODULE;
+
+- part = kzalloc(sizeof(struct mtd_partition), GFP_KERNEL);
+- part->name = name;
+- part->offset = 0;
+- part->size = dev->mtd.size;
+- if (mtd_device_register(&dev->mtd, part, 1)) {
++ if (mtd_device_parse_register(&dev->mtd, block2mtd_probe_types, &ppdata, NULL, 0)) {
+ /* Device didn't get added, so free the entry */
+ goto err_destroy_mutex;
+ }