target/linux/ramips/patches-4.4/0400-mtd-mtdsplit-add-support-for-custom-trx-magic-for-Buffalo-WCR-1166DS.patch

   1 --- a/drivers/mtd/mtdsplit/mtdsplit_trx.c
   2 +++ b/drivers/mtd/mtdsplit/mtdsplit_trx.c
   3 @@ -13,6 +13,7 @@
   4  #include <linux/module.h>
   5  #include <linux/init.h>
   6  #include <linux/kernel.h>
   7 +#include <linux/of.h>
   8  #include <linux/slab.h>
   9  #include <linux/mtd/mtd.h>
  10  #include <linux/mtd/partitions.h>
  11 @@ -20,7 +21,8 @@
  12
  13  #include "mtdsplit.h"
  14
  15 -#define TRX_MAGIC   0x30524448  /* "HDR0" */
  16 +#define TRX_MAGIC              0x30524448  /* "HDR0" */
  17 +#define TRX_MAGIC_BUFFALO      0x746f435c
  18
  19  struct trx_header {
  20         __le32 magic;
  21 @@ -82,7 +84,8 @@ mtdsplit_parse_trx(struct mtd_info *mast
  22                 if (ret)
  23                         continue;
  24
  25 -               if (hdr.magic != cpu_to_le32(TRX_MAGIC)) {
  26 +               if (hdr.magic != cpu_to_le32(TRX_MAGIC) &&
  27 +                   !(of_machine_is_compatible("buffalo,wcr-1166ds") && hdr.magic == cpu_to_le32(TRX_MAGIC_BUFFALO))) {
  28                         pr_debug("no valid trx header found in \"%s\" at offset %llx\n",
  29                                  master->name, (unsigned long long) offset);
  30                         continue;