target/linux/generic/pending-4.9/432-mtd-bcm47xxpart-detect-T_Meter-partition.patch

   1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   2 Subject: mtd: bcm47xxpart: detect T_Meter partition
   3
   4 It can be found on many Netgear devices. It consists of many 0x30 blocks
   5 starting with 4D 54.
   6
   7 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
   8 ---
   9  drivers/mtd/bcm47xxpart.c | 10 ++++++++++
  10  1 file changed, 10 insertions(+)
  11
  12 --- a/drivers/mtd/bcm47xxpart.c
  13 +++ b/drivers/mtd/bcm47xxpart.c
  14 @@ -39,6 +39,7 @@
  15  #define NVRAM_HEADER                   0x48534C46      /* FLSH */
  16  #define POT_MAGIC1                     0x54544f50      /* POTT */
  17  #define POT_MAGIC2                     0x504f          /* OP */
  18 +#define T_METER_MAGIC                  0x4D540000      /* MT */
  19  #define ML_MAGIC1                      0x39685a42
  20  #define ML_MAGIC2                      0x26594131
  21  #define TRX_MAGIC                      0x30524448
  22 @@ -182,6 +183,15 @@ static int bcm47xxpart_parse(struct mtd_
  23                                              MTD_WRITEABLE);
  24                         continue;
  25                 }
  26 +
  27 +               /* T_Meter */
  28 +               if ((le32_to_cpu(buf[0x000 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
  29 +                   (le32_to_cpu(buf[0x030 / 4]) & 0xFFFF0000) == T_METER_MAGIC &&
  30 +                   (le32_to_cpu(buf[0x060 / 4]) & 0xFFFF0000) == T_METER_MAGIC) {
  31 +                       bcm47xxpart_add_part(&parts[curr_part++], "T_Meter", offset,
  32 +                                            MTD_WRITEABLE);
  33 +                       continue;
  34 +               }
  35
  36                 /* TRX */
  37                 if (buf[0x000 / 4] == TRX_MAGIC) {