drop GPIODEV platform code
[openwrt.git] / target / linux / brcm47xx / patches-3.3 / 400-arch-bcm47xx.patch
1 --- a/arch/mips/bcm47xx/nvram.c
2 +++ b/arch/mips/bcm47xx/nvram.c
3 @@ -274,3 +274,30 @@ int nvram_getenv(char *name, char *val,
4         return NVRAM_ERR_ENVNOTFOUND;
5  }
6  EXPORT_SYMBOL(nvram_getenv);
7 +
8 +char *nvram_get(const char *name)
9 +{
10 +       char *var, *value, *end, *eq;
11 +
12 +       if (!name)
13 +               return NULL;
14 +
15 +       if (!nvram_buf[0])
16 +               early_nvram_init();
17 +
18 +       /* Look for name=value and return value */
19 +       var = &nvram_buf[sizeof(struct nvram_header)];
20 +       end = nvram_buf + sizeof(nvram_buf) - 2;
21 +       end[0] = end[1] = '\0';
22 +       for (; *var; var = value + strlen(value) + 1) {
23 +               eq = strchr(var, '=');
24 +               if (!eq)
25 +                       break;
26 +               value = eq + 1;
27 +               if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
28 +                       return value;
29 +       }
30 +
31 +       return NULL;
32 +}
33 +EXPORT_SYMBOL(nvram_get);