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authorJens Axboe <jens.axboe@oracle.com>2009-05-22 20:25:34 +0200
committerJens Axboe <jens.axboe@oracle.com>2009-05-22 20:25:34 +0200
commite4b636366c00738b9609cda307014d71b1225b7f (patch)
tree760b67b3624eda62e943e48ce93635c30a5b47bf /arch/mips/include/asm/cpu-features.h
parentb9ed7252d219c1c663944bf03846eabb515dbe75 (diff)
parent279e677faa775ad16e75c32e1bf4a37f8158bc61 (diff)
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Merge branch 'master' into for-2.6.31
Conflicts: drivers/block/hd.c drivers/block/mg_disk.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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 a0d14f85b78..c0047f86133 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