target/linux/brcm63xx/patches-4.14/311-bcm63xxpart_use_cfedetection.patch

   1 --- a/drivers/mtd/bcm63xxpart.c
   2 +++ b/drivers/mtd/bcm63xxpart.c
   3 @@ -35,6 +35,8 @@
   4  #include <linux/mtd/mtd.h>
   5  #include <linux/mtd/partitions.h>
   6  #include <linux/of.h>
   7 +
   8 +#include <asm/mach-bcm63xx/bcm63xx_board.h>
   9
  10  #define BCM963XX_CFE_BLOCK_SIZE                SZ_64K  /* always at least 64KiB */
  11
  12 @@ -46,30 +48,6 @@
  13  #define STR_NULL_TERMINATE(x) \
  14         do { char *_str = (x); _str[sizeof(x) - 1] = 0; } while (0)
  15
  16 -static int bcm63xx_detect_cfe(struct mtd_info *master)
  17 -{
  18 -       char buf[9];
  19 -       int ret;
  20 -       size_t retlen;
  21 -
  22 -       ret = mtd_read(master, BCM963XX_CFE_VERSION_OFFSET, 5, &retlen,
  23 -                      (void *)buf);
  24 -       buf[retlen] = 0;
  25 -
  26 -       if (ret)
  27 -               return ret;
  28 -
  29 -       if (strncmp("cfe-v", buf, 5) == 0)
  30 -               return 0;
  31 -
  32 -       /* very old CFE's do not have the cfe-v string, so check for magic */
  33 -       ret = mtd_read(master, BCM963XX_CFE_MAGIC_OFFSET, 8, &retlen,
  34 -                      (void *)buf);
  35 -       buf[retlen] = 0;
  36 -
  37 -       return strncmp("CFE1CFE1", buf, 8);
  38 -}
  39 -
  40  static int bcm63xx_read_nvram(struct mtd_info *master,
  41         struct bcm963xx_nvram *nvram)
  42  {
  43 @@ -152,7 +130,7 @@ static int bcm63xx_parse_cfe_partitions(
  44         struct bcm963xx_nvram *nvram = NULL;
  45         int ret;
  46
  47 -       if (bcm63xx_detect_cfe(master))
  48 +       if (!bcm63xx_is_cfe_present())
  49                 return -EINVAL;
  50
  51         nvram = vzalloc(sizeof(*nvram));