[PATCH] x86_64: Use X86_FEATURE_CONSTANT_TSC now to clean up Intel speedstep drivers

They previously tried to figure this out on their own.

Suggested by Venkatesh.

Cc: venkatesh.pallipadi@intel.com
Cc: davej@redhat.com
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 25 deletions

diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h b/arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h
deleted file mode 100644
index 5ce995c9d866..000000000000
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-est-common.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Routines common for drivers handling Enhanced Speedstep Technology
- *  Copyright (C) 2004 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- *
- *  Licensed under the terms of the GNU GPL License version 2 -- see
- *  COPYING for details.
- */
-
-static inline int is_const_loops_cpu(unsigned int cpu)
-{
-        struct cpuinfo_x86      *c = cpu_data + cpu;
-
-        if (c->x86_vendor != X86_VENDOR_INTEL || !cpu_has(c, X86_FEATURE_EST))
-                return 0;
-
-        /*
-         * on P-4s, the TSC runs with constant frequency independent of cpu freq
-         * when we use EST
-         */
-        if (c->x86 == 0xf)
-                return 1;
-
-        return 0;
-}
-