kernel: remove support for kernel 4.9
[openwrt/staging/dedeckeh.git] / target / linux / generic / pending-4.9 / 440-block2mtd_init.patch
diff --git a/target/linux/generic/pending-4.9/440-block2mtd_init.patch b/target/linux/generic/pending-4.9/440-block2mtd_init.patch
deleted file mode 100644 (file)
index 8834788..0000000
+++ /dev/null
@@ -1,116 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Subject: block2mtd
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- drivers/mtd/devices/block2mtd.c | 30 ++++++++++++++++++++----------
- 1 file changed, 20 insertions(+), 10 deletions(-)
-
---- a/drivers/mtd/devices/block2mtd.c
-+++ b/drivers/mtd/devices/block2mtd.c
-@@ -26,6 +26,7 @@
- #include <linux/list.h>
- #include <linux/init.h>
- #include <linux/mtd/mtd.h>
-+#include <linux/mtd/partitions.h>
- #include <linux/mutex.h>
- #include <linux/mount.h>
- #include <linux/slab.h>
-@@ -219,7 +220,7 @@ static void block2mtd_free_device(struct
- static struct block2mtd_dev *add_device(char *devname, int erase_size,
--              int timeout)
-+              const char *mtdname, int timeout)
- {
- #ifndef MODULE
-       int i;
-@@ -227,6 +228,7 @@ static struct block2mtd_dev *add_device(
-       const fmode_t mode = FMODE_READ | FMODE_WRITE | FMODE_EXCL;
-       struct block_device *bdev = ERR_PTR(-ENODEV);
-       struct block2mtd_dev *dev;
-+      struct mtd_partition *part;
-       char *name;
-       if (!devname)
-@@ -283,13 +285,16 @@ static struct block2mtd_dev *add_device(
-       /* Setup the MTD structure */
-       /* make the name contain the block device in */
--      name = kasprintf(GFP_KERNEL, "block2mtd: %s", devname);
-+      if (!mtdname)
-+              mtdname = devname;
-+      name = kmalloc(strlen(mtdname) + 1, GFP_KERNEL);
-       if (!name)
-               goto err_destroy_mutex;
-+      strcpy(name, mtdname);
-       dev->mtd.name = name;
--      dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
-+      dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK & ~(erase_size - 1);
-       dev->mtd.erasesize = erase_size;
-       dev->mtd.writesize = 1;
-       dev->mtd.writebufsize = PAGE_SIZE;
-@@ -302,7 +307,11 @@ static struct block2mtd_dev *add_device(
-       dev->mtd.priv = dev;
-       dev->mtd.owner = THIS_MODULE;
--      if (mtd_device_register(&dev->mtd, NULL, 0)) {
-+      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)) {
-               /* Device didn't get added, so free the entry */
-               goto err_destroy_mutex;
-       }
-@@ -310,8 +319,7 @@ static struct block2mtd_dev *add_device(
-       list_add(&dev->list, &blkmtd_device_list);
-       pr_info("mtd%d: [%s] erase_size = %dKiB [%d]\n",
-               dev->mtd.index,
--              dev->mtd.name + strlen("block2mtd: "),
--              dev->mtd.erasesize >> 10, dev->mtd.erasesize);
-+              mtdname, dev->mtd.erasesize >> 10, dev->mtd.erasesize);
-       return dev;
- err_destroy_mutex:
-@@ -384,7 +392,7 @@ static int block2mtd_setup2(const char *
-       /* 80 for device, 12 for erase size, 80 for name, 8 for timeout */
-       char buf[80 + 12 + 80 + 8];
-       char *str = buf;
--      char *token[2];
-+      char *token[3];
-       char *name;
-       size_t erase_size = PAGE_SIZE;
-       unsigned long timeout = MTD_DEFAULT_TIMEOUT;
-@@ -398,7 +406,7 @@ static int block2mtd_setup2(const char *
-       strcpy(str, val);
-       kill_final_newline(str);
--      for (i = 0; i < 2; i++)
-+      for (i = 0; i < 3; i++)
-               token[i] = strsep(&str, ",");
-       if (str) {
-@@ -424,8 +432,10 @@ static int block2mtd_setup2(const char *
-                       return 0;
-               }
-       }
-+      if (token[2] && (strlen(token[2]) + 1 > 80))
-+              pr_err("mtd device name too long\n");
--      add_device(name, erase_size, timeout);
-+      add_device(name, erase_size, token[2], timeout);
-       return 0;
- }
-@@ -459,7 +469,7 @@ static int block2mtd_setup(const char *v
- module_param_call(block2mtd, block2mtd_setup, NULL, NULL, 0200);
--MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>]\"");
-+MODULE_PARM_DESC(block2mtd, "Device to use. \"block2mtd=<dev>[,<erasesize>[,<name>]]\"");
- static int __init block2mtd_init(void)
- {