aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/cpufreq/ppc_cbe_cpufreq.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/cpufreq/ppc_cbe_cpufreq.c')
-rw-r--r--drivers/cpufreq/ppc_cbe_cpufreq.c19
1 files changed, 1 insertions, 18 deletions
diff --git a/drivers/cpufreq/ppc_cbe_cpufreq.c b/drivers/cpufreq/ppc_cbe_cpufreq.c
index 52f707d5f458..e42ca9c31cea 100644
--- a/drivers/cpufreq/ppc_cbe_cpufreq.c
+++ b/drivers/cpufreq/ppc_cbe_cpufreq.c
@@ -30,9 +30,6 @@
30 30
31#include "ppc_cbe_cpufreq.h" 31#include "ppc_cbe_cpufreq.h"
32 32
33static DEFINE_MUTEX(cbe_switch_mutex);
34
35
36/* the CBE supports an 8 step frequency scaling */ 33/* the CBE supports an 8 step frequency scaling */
37static struct cpufreq_frequency_table cbe_freqs[] = { 34static struct cpufreq_frequency_table cbe_freqs[] = {
38 {1, 0}, 35 {1, 0},
@@ -131,27 +128,13 @@ static int cbe_cpufreq_cpu_init(struct cpufreq_policy *policy)
131static int cbe_cpufreq_target(struct cpufreq_policy *policy, 128static int cbe_cpufreq_target(struct cpufreq_policy *policy,
132 unsigned int cbe_pmode_new) 129 unsigned int cbe_pmode_new)
133{ 130{
134 int rc;
135 struct cpufreq_freqs freqs;
136
137 freqs.old = policy->cur;
138 freqs.new = cbe_freqs[cbe_pmode_new].frequency;
139
140 mutex_lock(&cbe_switch_mutex);
141 cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
142
143 pr_debug("setting frequency for cpu %d to %d kHz, " \ 131 pr_debug("setting frequency for cpu %d to %d kHz, " \
144 "1/%d of max frequency\n", 132 "1/%d of max frequency\n",
145 policy->cpu, 133 policy->cpu,
146 cbe_freqs[cbe_pmode_new].frequency, 134 cbe_freqs[cbe_pmode_new].frequency,
147 cbe_freqs[cbe_pmode_new].driver_data); 135 cbe_freqs[cbe_pmode_new].driver_data);
148 136
149 rc = set_pmode(policy->cpu, cbe_pmode_new); 137 return set_pmode(policy->cpu, cbe_pmode_new);
150
151 cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
152 mutex_unlock(&cbe_switch_mutex);
153
154 return rc;
155} 138}
156 139
157static struct cpufreq_driver cbe_cpufreq_driver = { 140static struct cpufreq_driver cbe_cpufreq_driver = {