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authorTakashi Iwai <tiwai@suse.de>2009-05-29 11:46:10 +0200
committerTakashi Iwai <tiwai@suse.de>2009-05-29 11:46:10 +0200
commite93721a70263afefbac781f575bfe851c6f95d84 (patch)
treeab359f12a0688802aa99339bae82c51763dae9f6 /arch/mips/include/asm/cpu-features.h
parentae1ec5e1e97f67d41e641a73380129e5905e41cc (diff)
parentc87d9732004b3f8fd82d729f12ccfb96c0df279e (diff)
Merge branch 'fix/pcm-jiffies-check' into topic/pcm-jiffies-check
Diffstat (limited to 'arch/mips/include/asm/cpu-features.h')
-rw-r--r--arch/mips/include/asm/cpu-features.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index a0d14f85b781..c0047f861337 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -147,6 +147,15 @@
#define cpu_has_mips_r (cpu_has_mips32r1 | cpu_has_mips32r2 | \
cpu_has_mips64r1 | cpu_has_mips64r2)
+/*
+ * MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other
+ * pre-MIPS32/MIPS53 processors have CLO, CLZ. For 64-bit kernels
+ * cpu_has_clo_clz also indicates the availability of DCLO and DCLZ.
+ */
+# ifndef cpu_has_clo_clz
+# define cpu_has_clo_clz cpu_has_mips_r
+# endif
+
#ifndef cpu_has_dsp
#define cpu_has_dsp (cpu_data[0].ases & MIPS_ASE_DSP)
#endif