[Xen-changelog] [xen-unstable] xen/powernow: allow using lowest-power P-state

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1220878895 -3600
# Node ID 10c630645d133441c5319584e58cbd8533adbd65
# Parent  06ab9cb9578e07eb55a2f1055d1a24c7a998a33b
xen/powernow: allow using lowest-power P-state

The MSR field used here indicates the highest numbered valid P-state,
not the first invalid one.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
---
 xen/arch/x86/acpi/cpufreq/powernow.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 06ab9cb9578e -r 10c630645d13 xen/arch/x86/acpi/cpufreq/powernow.c
--- a/xen/arch/x86/acpi/cpufreq/powernow.c      Mon Sep 08 14:01:17 2008 +0100
+++ b/xen/arch/x86/acpi/cpufreq/powernow.c      Mon Sep 08 14:01:35 2008 +0100
@@ -197,8 +197,8 @@ static int powernow_cpufreq_cpu_init(str
 
     data->max_freq = perf->states[0].core_frequency * 1000;
     /* table init */
-    for (i=0; i<perf->state_count && i<max_hw_pstate; i++) {
-        if (i>0 && perf->states[i].core_frequency >=
+    for (i = 0; i < perf->state_count && i <= max_hw_pstate; i++) {
+        if (i > 0 && perf->states[i].core_frequency >=
             data->freq_table[valid_states-1].frequency / 1000)
             continue;
 

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