2012-05-03 20:18:41 +00:00
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--- a/arch/mips/bcm47xx/nvram.c
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+++ b/arch/mips/bcm47xx/nvram.c
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2012-05-18 16:04:10 +00:00
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@@ -274,3 +274,30 @@ int nvram_getenv(char *name, char *val,
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2012-05-03 20:18:41 +00:00
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return NVRAM_ERR_ENVNOTFOUND;
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}
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EXPORT_SYMBOL(nvram_getenv);
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+
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+char *nvram_get(const char *name)
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+{
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+ char *var, *value, *end, *eq;
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+
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+ if (!name)
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+ return NULL;
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+
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+ if (!nvram_buf[0])
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+ early_nvram_init();
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+
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+ /* Look for name=value and return value */
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+ var = &nvram_buf[sizeof(struct nvram_header)];
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+ end = nvram_buf + sizeof(nvram_buf) - 2;
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+ end[0] = end[1] = '\0';
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+ for (; *var; var = value + strlen(value) + 1) {
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+ eq = strchr(var, '=');
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+ if (!eq)
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+ break;
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+ value = eq + 1;
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+ if ((eq - var) == strlen(name) && strncmp(var, name, (eq - var)) == 0)
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+ return value;
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+ }
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+
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+ return NULL;
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+}
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+EXPORT_SYMBOL(nvram_get);
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