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Diffstat (limited to 'arch/mips/include/asm/cpu-features.h')
-rw-r--r--arch/mips/include/asm/cpu-features.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index e079598ae051..3325f3eb248c 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -231,6 +231,16 @@
#define cpu_has_clo_clz cpu_has_mips_r
#endif
+/*
+ * MIPS32 R2, MIPS64 R2, Loongson 3A and Octeon have WSBH.
+ * MIPS64 R2, Loongson 3A and Octeon have WSBH, DSBH and DSHD.
+ * This indicates the availability of WSBH and in case of 64 bit CPUs also
+ * DSBH and DSHD.
+ */
+#ifndef cpu_has_wsbh
+#define cpu_has_wsbh cpu_has_mips_r2
+#endif
+
#ifndef cpu_has_dsp
#define cpu_has_dsp (cpu_data[0].ases & MIPS_ASE_DSP)
#endif