direct_nvram_read_byte  595 arch/powerpc/platforms/powermac/nvram.c 		ppc_md.nvram_read_val	= direct_nvram_read_byte;
direct_nvram_read_byte  601 arch/powerpc/platforms/powermac/nvram.c 		ppc_md.nvram_read_val	= direct_nvram_read_byte;