#define __SWAB_64_THRU_32__
-#ifdef CONFIG_CPU_MIPSR2
+#if defined(__mips_isa_rev) && (__mips_isa_rev >= 2)
static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
{
#define __arch_swab32 __arch_swab32
/*
- * Having already checked for CONFIG_CPU_MIPSR2, enable the
- * optimized version for 64-bit kernel on r2 CPUs.
+ * Having already checked for MIPS R2, enable the optimized version for
+ * 64-bit kernel on r2 CPUs.
*/
-#ifdef CONFIG_64BIT
+#ifdef __mips64
static inline __attribute_const__ __u64 __arch_swab64(__u64 x)
{
__asm__(
return x;
}
#define __arch_swab64 __arch_swab64
-#endif /* CONFIG_64BIT */
-#endif /* CONFIG_CPU_MIPSR2 */
+#endif /* __mips64 */
+#endif /* MIPS R2 or newer */
#endif /* _ASM_SWAB_H */