target/linux/brcm47xx/patches-2.6.38/032-bcm47xx-extend-bcm47xx_fill_sprom-with-prefix.patch

   1 --- a/arch/mips/bcm47xx/setup.c
   2 +++ b/arch/mips/bcm47xx/setup.c
   3 @@ -59,10 +59,23 @@ static void bcm47xx_machine_halt(void)
   4  }
   5
   6  #define READ_FROM_NVRAM(_outvar, name, buf) \
   7 -       if (nvram_getenv(name, buf, sizeof(buf)) >= 0)\
   8 +       if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\
   9                 sprom->_outvar = simple_strtoul(buf, NULL, 0);
  10
  11 -static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
  12 +static inline int nvram_getprefix(const char *prefix, char *name,
  13 +                                 char *buf, int len)
  14 +{
  15 +       if (prefix) {
  16 +               char key[100];
  17 +
  18 +               snprintf(key, sizeof(key), "%s%s", prefix, name);
  19 +               return nvram_getenv(key, buf, len);
  20 +       }
  21 +
  22 +       return nvram_getenv(name, buf, len);
  23 +}
  24 +
  25 +static void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix)
  26  {
  27         char buf[100];
  28         u32 boardflags;
  29 @@ -71,11 +84,11 @@ static void bcm47xx_fill_sprom(struct ss
  30
  31         sprom->revision = 1; /* Fallback: Old hardware does not define this. */
  32         READ_FROM_NVRAM(revision, "sromrev", buf);
  33 -       if (nvram_getenv("il0macaddr", buf, sizeof(buf)) >= 0)
  34 +       if (nvram_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0)
  35                 nvram_parse_macaddr(buf, sprom->il0mac);
  36 -       if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
  37 +       if (nvram_getprefix(prefix, "et0macaddr", buf, sizeof(buf)) >= 0)
  38                 nvram_parse_macaddr(buf, sprom->et0mac);
  39 -       if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
  40 +       if (nvram_getprefix(prefix, "et1macaddr", buf, sizeof(buf)) >= 0)
  41                 nvram_parse_macaddr(buf, sprom->et1mac);
  42         READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
  43         READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
  44 @@ -127,14 +140,14 @@ static void bcm47xx_fill_sprom(struct ss
  45         READ_FROM_NVRAM(ofdm5gpo, "ofdm5gpo", buf);
  46         READ_FROM_NVRAM(ofdm5ghpo, "ofdm5ghpo", buf);
  47
  48 -       if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0) {
  49 +       if (nvram_getprefix(prefix, "boardflags", buf, sizeof(buf)) >= 0) {
  50                 boardflags = simple_strtoul(buf, NULL, 0);
  51                 if (boardflags) {
  52                         sprom->boardflags_lo = (boardflags & 0x0000FFFFU);
  53                         sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16;
  54                 }
  55         }
  56 -       if (nvram_getenv("boardflags2", buf, sizeof(buf)) >= 0) {
  57 +       if (nvram_getprefix(prefix, "boardflags2", buf, sizeof(buf)) >= 0) {
  58                 boardflags = simple_strtoul(buf, NULL, 0);
  59                 if (boardflags) {
  60                         sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
  61 @@ -160,7 +173,7 @@ static int bcm47xx_get_invariants(struct
  62         if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
  63                 iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
  64
  65 -       bcm47xx_fill_sprom(&iv->sprom);
  66 +       bcm47xx_fill_sprom(&iv->sprom, NULL);
  67
  68         if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
  69                 iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);