Hi, On 20/08/14 04:14, chenj wrote: > diff --git a/arch/mips/loongson/Platform b/arch/mips/loongson/Platform > index 0ac20eb..5f527d1 100644 > --- a/arch/mips/loongson/Platform > +++ b/arch/mips/loongson/Platform > @@ -22,6 +22,9 @@ ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS > endif > endif > > +# Define _MIPS_ARCH_LOONGSON3A for Loongson3 > +cflags-$(CONFIG_CPU_LOONGSON3) += -D_MIPS_ARCH_LOONGSON3A Any reason not to just refer directly to CONFIG_CPU_LOONGSON3 from the source rather than adding an intermediate definition? Cheers James