target/linux/generic/patches-4.4/431-mtd-bcm47xxpart-support-for-Xiaomi-specific-board_da.patch

   1 From 841e59ba3e496d86ca5f069204d5e5c1ad43c01d Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Tue, 27 Jan 2015 22:29:21 +0100
   4 Subject: [PATCH] mtd: bcm47xxpart: support for Xiaomi specific board_data
   5  partition
   6 MIME-Version: 1.0
   7 Content-Type: text/plain; charset=UTF-8
   8 Content-Transfer-Encoding: 8bit
   9
  10 Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
  11 ---
  12  drivers/mtd/bcm47xxpart.c | 4 +++-
  13  1 file changed, 3 insertions(+), 1 deletion(-)
  14
  15 --- a/drivers/mtd/bcm47xxpart.c
  16 +++ b/drivers/mtd/bcm47xxpart.c
  17 @@ -33,6 +33,7 @@
  18  /* Magics */
  19  #define BOARD_DATA_MAGIC               0x5246504D      /* MPFR */
  20  #define BOARD_DATA_MAGIC2              0xBD0D0BBD
  21 +#define BOARD_DATA_XIAOMI_MAGIC                0x474D4442      /* GMDB */
  22  #define CFE_MAGIC                      0x43464531      /* 1EFC */
  23  #define FACTORY_MAGIC                  0x59544346      /* FCTY */
  24  #define NVRAM_HEADER                   0x48534C46      /* FLSH */
  25 @@ -262,7 +263,8 @@ static int bcm47xxpart_parse(struct mtd_
  26                 }
  27
  28                 /* Some devices (ex. WNDR3700v3) don't have a standard 'MPFR' */
  29 -               if (buf[0x000 / 4] == BOARD_DATA_MAGIC2) {
  30 +               if (buf[0x000 / 4] == BOARD_DATA_MAGIC2 ||
  31 +                   le32_to_cpu(buf[0x000 / 4]) == BOARD_DATA_XIAOMI_MAGIC) {
  32                         bcm47xxpart_add_part(&parts[curr_part++], "board_data",
  33                                              offset, MTD_WRITEABLE);
  34                         continue;