NVRAM_BOOT_PART
if (bcm47xx_nvram_getenv(NVRAM_BOOT_PART, buf, sizeof(buf)) > 0) {
pr_warn("Failed to parse %s value \"%s\"\n", NVRAM_BOOT_PART,
pr_warn("Failed to get NVRAM \"%s\"\n", NVRAM_BOOT_PART);