atheros: copy 3.10 patches to 3.14 and refresh them
[openwrt/svn-archive/archive.git] / target / linux / atheros / patches-3.14 / 140-redboot_boardconfig.patch
diff --git a/target/linux/atheros/patches-3.14/140-redboot_boardconfig.patch b/target/linux/atheros/patches-3.14/140-redboot_boardconfig.patch
new file mode 100644 (file)
index 0000000..98dbf52
--- /dev/null
@@ -0,0 +1,60 @@
+--- a/drivers/mtd/redboot.c
++++ b/drivers/mtd/redboot.c
+@@ -30,6 +30,8 @@
+ #include <linux/mtd/partitions.h>
+ #include <linux/module.h>
++#define BOARD_CONFIG_PART             "boardconfig"
++
+ struct fis_image_desc {
+     unsigned char name[16];      // Null terminated name
+     uint32_t    flash_base;    // Address within FLASH of image
+@@ -60,6 +62,7 @@ static int parse_redboot_partitions(stru
+                                   struct mtd_partition **pparts,
+                                   struct mtd_part_parser_data *data)
+ {
++      unsigned long max_offset = 0;
+       int nrparts = 0;
+       struct fis_image_desc *buf;
+       struct mtd_partition *parts;
+@@ -225,14 +228,15 @@ static int parse_redboot_partitions(stru
+               }
+       }
+ #endif
+-      parts = kzalloc(sizeof(*parts)*nrparts + nulllen + namelen, GFP_KERNEL);
++      parts = kzalloc(sizeof(*parts) * (nrparts + 1) + nulllen + namelen +
++                      sizeof(BOARD_CONFIG_PART), GFP_KERNEL);
+       if (!parts) {
+               ret = -ENOMEM;
+               goto out;
+       }
+-      nullname = (char *)&parts[nrparts];
++      nullname = (char *)&parts[nrparts + 1];
+ #ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
+       if (nulllen > 0) {
+               strcpy(nullname, nullstring);
+@@ -251,6 +255,8 @@ static int parse_redboot_partitions(stru
+       }
+ #endif
+       for ( ; i<nrparts; i++) {
++              if (max_offset < buf[i].flash_base + buf[i].size)
++                      max_offset = buf[i].flash_base + buf[i].size;
+               parts[i].size = fl->img->size;
+               parts[i].offset = fl->img->flash_base;
+               parts[i].name = names;
+@@ -284,6 +290,13 @@ static int parse_redboot_partitions(stru
+               fl = fl->next;
+               kfree(tmp_fl);
+       }
++      if (master->size - max_offset >= master->erasesize) {
++              parts[nrparts].size = master->size - max_offset;
++              parts[nrparts].offset = max_offset;
++              parts[nrparts].name = names;
++              strcpy(names, BOARD_CONFIG_PART);
++              nrparts++;
++      }
+       ret = nrparts;
+       *pparts = parts;
+  out: