package/boot/uboot-mediatek/patches/100-05-mtd-add-a-new-mtd-device-type-for-NMBM.patch

   1 From d26a789c451068caf4bbb4d1ac7bc1f592b5493e Mon Sep 17 00:00:00 2001
   2 From: Weijie Gao <weijie.gao@mediatek.com>
   3 Date: Mon, 25 Jul 2022 10:58:06 +0800
   4 Subject: [PATCH 39/71] mtd: add a new mtd device type for NMBM
   5
   6 This patch adds a new mtd device type for NMBM so that mtdparts can be
   7 correctly probed. And this also gives us an opportunity to add NMBM support
   8 for filesystems in the future.
   9
  10 Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
  11 ---
  12  cmd/mtdparts.c              | 3 +++
  13  include/jffs2/load_kernel.h | 4 +++-
  14  2 files changed, 6 insertions(+), 1 deletion(-)
  15
  16 --- a/cmd/mtdparts.c
  17 +++ b/cmd/mtdparts.c
  18 @@ -1057,6 +1057,9 @@ int mtd_id_parse(const char *id, const c
  19         } else if (strncmp(p, "spi-nand", 8) == 0) {
  20                 *dev_type = MTD_DEV_TYPE_SPINAND;
  21                 p += 8;
  22 +       } else if (strncmp(p, "nmbm", 4) == 0) {
  23 +               *dev_type = MTD_DEV_TYPE_NMBM;
  24 +               p += 4;
  25         } else {
  26                 printf("incorrect device type in %s\n", id);
  27                 return 1;
  28 --- a/include/jffs2/load_kernel.h
  29 +++ b/include/jffs2/load_kernel.h
  30 @@ -16,11 +16,13 @@
  31  #define MTD_DEV_TYPE_NAND      0x0002
  32  #define MTD_DEV_TYPE_ONENAND   0x0004
  33  #define MTD_DEV_TYPE_SPINAND   0x0008
  34 +#define MTD_DEV_TYPE_NMBM      0x0010
  35
  36  #define MTD_DEV_TYPE(type) (type == MTD_DEV_TYPE_NAND ? "nand" :       \
  37                             (type == MTD_DEV_TYPE_NOR ? "nor" :         \
  38                              (type == MTD_DEV_TYPE_ONENAND ? "onenand" : \
  39 -                             "spi-nand")))                             \
  40 +                             (type == MTD_DEV_TYPE_SPINAND ? "spi-nand" : \
  41 +                              "nmbm"))))                               \
  42
  43  struct mtd_device {
  44         struct list_head link;